NXP RDA777T2 Battery Junction Box Reference Design

Lintlha tsa litokomane

Boitsebiso	Litaba
Mantsoe a sehlooho	betri junction box, high voltage, 800 V, tekanyo, ho itšehla thajana, hona joale, contactor, shunt, ho nepahala, mocheso
Kakaretso	Bukana ena ea mosebelisi e shebane le boto ea RDA777T2. Ke tharollo e tloaelehileng ea "betri junction box" (BJB) e sebelisoang ka matla a phahamengtagsistimi ea taolo ea betri (BMS).

BOHLOKOA TSEBISO
Bakeng sa merero ea ntlafatso ea boenjiniere kapa tlhahlobo feela

NXP e fana ka sehlahisoa sena sa tlhahlobo tlasa maemo a latelang:
Lisebelisuoa tsa tlhahlobo kapa meralo ea litšupiso li etselitsoe batho ba nang le tsebo e itseng feela, haholo-holo bakeng sa ho sebelisoa libakeng tsa lipatlisiso le nts'etsopele ho thusa merero ea tlhahlobo. Sekhahla sena sa tlhahlobo kapa moralo oa litšupiso ha se sehlahisoa se felileng, ebile ha se morero oa ho ba karolo ea sehlahisoa se felileng. Lisebelisoa life kapa life tsa software kapa software tse fanoeng ka sehlahisoa sa tlhahlobo li ipapisitse le melaoana e sebetsang e tsamaeang le software kapa sesebelisoa sa software.

The evaluation kit kapa reference design e fanoa joalo kaample IC e rekisitsoe esale pele ho boto ea potoloho e hatisitsoeng ho etsa hore ho be bonolo ho fihlella lintho tse kenang, tse hlahisoang le liteishene tsa phepelo. Letlapa lena la tlhahlobo kapa moralo oa litšupiso li ka sebelisoa le sistimi efe kapa efe ea nts'etsopele kapa mohloli o mong oa matšoao a I/O ka ho e hokahanya le MCU e amohelang kapa boto ea komporo ka lithapo tse kantle ho sethala. Sesebelisoa sa ho qetela ts'ebetsong se tla itšetleha haholo ka sebopeho se nepahetseng sa boto ea potoloho le moralo oa ho teba ha mocheso hammoho le tlhokomelo ea ho sefa, khatello ea nakoana, le boleng ba matšoao a I/O. Setsi sena sa tlhahlobo kapa moralo oa litšupiso o fanoeng o kanna oa se fele ho latela moralo o hlokehang, ho bapatsa, kapa ho etsa lintho tse amanang le ts'ireletso, ho kenyeletsoa le mehato ea polokeho ea sehlahisoa eo hangata e fumanoang sesebelisoa sa ho qetela se kenyelletsang sehlahisoa sa tlhahlobo. Ka lebaka la kaho e bulehileng ea sehlahisoa sa tlhahlobo, ke boikarabello ba mosebelisi ho nka mehato eohle e nepahetseng bakeng sa ho tsoa ha motlakase. Ho fokotsa likotsi tse amanang le lits'ebetso tsa bareki, moralo o lekaneng le ts'ireletso ea ts'ebetso li tlameha ho fanoa ke moreki ho fokotsa likotsi tsa tlhaho kapa tsa ts'ebetso. Bakeng sa mathata afe kapa afe a polokeho, ikopanye le thekiso ea NXP le lits'ebeletso tsa tšehetso ea tekheniki.

TLHOKOMELO

Lethal voltage le kotsi ea ho tima mollo
Matla a phahameng a non-insulatedtagtse teng ha o sebelisa sehlahisoa sena, li ka ba kotsi ea ho tsukutloa ke motlakase, kotsi ea motho, lefu le/kapa ho hotetsoa ha mollo. Sehlahisoa sena se etselitsoe sepheo sa tlhahlobo feela. E tla sebetsoa sebakeng se khethiloeng sa tlhahlobo ke basebetsi ba nang le litsebo ho latela litlhoko tsa lehae le melao ea basebetsi ho sebetsa le li-non-insulated mains vol.tages le high-voltage lipotoloho. Sehlahisoa sena se ke ke sa sebelisoa ntle le motho ea hlokometsoeng.

 Selelekela

NXP e fana ka moralo oa litšupiso oa BJB (RD) ho bonts'a MC33777A. Moralo oa litšupiso o sebelisetsoa ho etsa mohlala ka potlako hardware le software ea molumo o phahamengtagsistimi ea taolo ea betri. Moralo oa litšupiso o bonts'a moloko oa morao-rao oa molaoli oa BJB IC. Tokomane ena e hlalosa likarolo tsa moralo oa litšupiso.

Ho tseba hardware

Likarolo tsa boto
Moralo oa litšupiso o fana ka likarolo tse latelang:

• Litekanyo tse 'nè tsa hajoale tse nang le shunt ea kantle (ho tloha ho −300 mV ho isa +300 mV)
• E robeli positive high-voltaglintlha tsa tekanyo ea e (ho tloha ho 0 V ho ea ho +1000 V)
• Li-bipolar tse peli tse phahamengtaglipehelo tsa litekanyo tsa e (ho tloha ho −1000 V ho ea ho +1000 V)
• Tlhokomelo ea ho itšehla thajana pakeng tsa high-voltage domains le low-voltage domains
• Likanale tse peli tsa ho lekanya mocheso tse nang le sehanyetsi sa kantle sa mocheso se mpe sa NTC
• Kenyelletso e le 'ngoe e ikhethileng ea lets'oao la ho oa
• Liphetho tse peli tsa pyrotechnic switch control tse nang le capacitor e ikemetseng ea polokelo ea matla
• EEPROM e le 'ngoe bakeng sa polokelo ea data ea calibration
• Galvanically isolated electrical transport protocol link (ETPL) bakeng sa puisano
• Galvanically ka thoko DC-DC converter ho fana ka boto ho tloha tlaase-voltage karolo
• Boto e hatisitsoeng ea potoloho (PCB) e etselitsoeng ho latela IEC 60664 (tšilafalo degree 2, sehlopha sa lintho tse bonahalang IIIa)

Lihokelo
Setšoantšo sa 1 se bonts'a sebaka sa lihokelo tse hokahanyang moralo oa litšupiso ka phepelo ea motlakase, emulator, kapa lisebelisoa tsa kantle.

Lethathamo la 1. Tlhaloso ea sehokelo

Pin	Khokahano	Tlhaloso
Sehokelo sa phepelo ea motlakase (J12)
J12.1	+ 12 V	phepelo ea motlakase e ntle
J12.2	NC	ha e kopane
J12.3	NC	ha e kopane
J12.4	LV_GND	phepelo e mpe ea motlakase
puisano ea ETPL (J13)
J13.1	TPL1_P	Tlhahiso e ntle ea ETPL
J13.2	TPL1_N	Tlhahiso e mpe ea ETPL
puisano ea ETPL (J14)
J14.1	TPL2_P	Tlhahiso e ntle ea ETPL
J14.2	TPL2_N	Tlhahiso e mpe ea ETPL
Kenyelletso ea lets'oao la ho soahlamana (J16)
J16.1	CRASH_P	lets'oao la ho soahlamana le kenoang hantle
J16.2	CRASH_N	lets'oao la ho soahlamana moo ho buuoeng teng
Tlhahiso ea mantlha ea pyrotechnic switch controller (J18)
J18.1	PRM_PSC_P	mantlha pyrotechnic switjha molaoli phahameng-lehlakoreng tlhahiso
J18.2	PRM_PSC_N	mantlha pyrotechnic switjha controller tlaase-lehlakoreng tlhahiso
Sephetho sa taolo ea switch ea bobeli ea pyrotechnic (J19)
J19.1	SEC_PSC_P	secondary pyrotechnic switjha controller phahameng-lehlakoreng tlhahiso
J19.2	SEC_PSC_N	secondary pyrotechnic switjha controller tlaase-lehlakoreng tlhahiso
Phahameng-voltage likhokahano
J1	PRM_HV_1	primary positive high-voltage kenya 1
J2	SEC_HV_1	secondary positive high-voltage kenya 1
J4	PRM_HV_2	primary positive high-voltage kenya 2
J5	SEC_HV_2	secondary positive high-voltage kenya 2
J6	PRM_HV_3	primary positive high-voltage kenya 3
J7	SEC_HV_3	secondary positive high-voltage kenya 3
J8	PRM_HV_4	primary positive high-voltage kenya 4
J9	SEC_HV_4	secondary positive high-voltage kenya 4
J10	PRM_HV_5	phahameng bipolar high-voltage kenya 5
J11	SEC_HV_5	sekondari bipolar high-voltage kenya 5
J3	chassis	ho kenya chassis bakeng sa ho metha ho itšehla thajana
Khokahano ea pele ea tekanyo ea hona joale le ea mocheso (J15)
J15.1	NTC_P	kenyeletso e ntle ea mohanyetsi oa NTC ea kantle
J15.2	HV_GND	kantle ho NTC resistor input negative
J15.3	HV_GND	fatshe

Pin	Khokahano	Tlhaloso
J15.4	PRM_ISENSE_P	tse ka sehloohong tsa ISENSE tse ntle
J15.5	PRM_ISENSE_N	mantlha ISENSE keno e mpe
J15.6	HV_GND	fatshe
J15.7	SEC_ISENSE_P	secondary ISENSE positive input
J15.8	SEC_ISENSE_N	secondary ISENSE keno e mpe
Khokahano ea bobeli ea hona joale le ea mocheso (J17)
J17.1	NTC_P	kenyeletso e ntle ea mohanyetsi oa NTC ea kantle
J17.2	HV_GND	kantle ho NTC resistor input negative
J17.3	HV_GND	fatshe
J17.4	PRM_VISENSE_P	tlhahiso e ntle ea VISENSE
J17.5	PRM_VISENSE_N	tlhahiso e mpe ea VISENSE
J17.6	HV_GND	fatshe
J17.7	SEC_VISENSE_P	secondary VISENSE positive input
J17.8	SEC_VISENSE_N	secondary VISENSE keno e mpe

Lethathamo la 2 le thathamisa litšupiso tsa lihokelo le nomoro ea tsona ea karolo ea ho nyalana.

Lethathamo la 2. Nomoro ea karolo ea sehokedi

Sehokedi	Moetsi	Nomoro ea karolo	Sehokedi sa mating
J1, J2, J3, J4, J5, J6, J7, J8, J9, J10, J11	Khokahano ea TE	63824-1	2-520405-2
J13, J14, J16, J18, J19	Molex	436500213	436450200
J12	Molex	0436500413	436450400
J15, j17	Molex	5023520800	5023510800

 Li-LED
Lebokose le kopanyang betri le kenyelletsa li-LED tse peli: D10 le D11. Li buletsoe ha MC33777A e le maemong a sebetsang.

Likahare tsa Kit
Lethathamo la 3 le thathamisa likarolo tse kenyellelitsoeng ka har'a khiti.

Lethathamo la 3. Likahare tsa Kit

Tlhaloso	Bongata
ETPL mohala oa puisano	1
Cable ea phepelo ea motlakase	1
Phahameng-voltagthapo ea tekanyo ea e (orange)	10
Cable ea khokahano ea chassis (e ntšo)	1
Cable e nang le lintlha tse peli tse akaretsang (khokahanyo ea pyrotechnic switch, khokahanyo ea lets'oao la ho senyeha)	4
Tekanyo ea hona joale le mohala oa tekanyo ea mocheso	2

 Hardware e eketsehileng
RDA777T2 e hloka matla a kantle a +12 V (sheba Karolo ea 3.1). Lisebelisoa tse latelang li ka nolofatsa tlhahlobo:

• Boto ea puisano ea ETPL (KIT-PC2TPLEVB)
• Emulator ea lebokose la betri ea matekoane ho etsisa molumo o phahamengtages, betri ea hajoale, le li-control control tsa pyrotechnic (PACK-BJBEMUL)
• Phahameng-voltagmohloli o moholo
• Mohloli oa morao-rao o kopantsoeng le shunt resistor

 Lokisa hardware
Karolo ena e hlalosa tlhophiso e tloaelehileng ea ho hlophisa RDA777T2 le ho lekola likarolo tsa bohlokoa tsa MC33777A. E sebelisa PACK-BJBEMUL ho etsisa voltages, betri ea hajoale, le li-switches tsa pyrotechnic. Lisebelisoa tse ling tsa kantle li ka nka sebaka sa boto ea boikhethelo. Setupo se bonts'a boto ea KIT-PC2TPLEVB ho hokahanya MC33777A le komporo ka lisebelisoa tsa software tsa NXP (bakeng sa ex.ample, BMS Script GUI).

Lethathamo la 4 le thathamisa lintho tse hlokahalang ho theha tlhahlobo.

Lethathamo la 4. Bili ea thepa

Sekhetho	Tlhaloso	Tlhaloso
RDA777T2	moralo oa litšupiso tsa lebokose la pokano ea betri
KANANELO-BJBEMUL	emulator ea lebokose la mateano la betri
KIT-PC2TPLEVB	boto ea puisano
1	voltagthapo ea ho lekanya	e kenyelelitsoe ka har'a khiti
2	pyrotechnic switch cable	e kenyelelitsoe ka har'a khiti
3	thapo ea tekanyo ea hona joale le mocheso	e kenyelelitsoe ka har'a khiti
4	thapo ya ho senyeha	e kenyelelitsoe ka har'a khiti
5	thapo ea phepelo ea motlakase	e kenyelelitsoe ka har'a khiti
6	ETPL mohala oa puisano	e kenyelelitsoe ka har'a khiti
7	thapo ea USB ho isa ho universal asynchronous receiver/transmitter (UART).	e kenyelelitsoe ho KIT-PC2TPLEVB kit

Tlhaloso ea sebopeho

Phepelo ea motlakase
Moralo oa litšupiso hangata o fumana matla ho tsoa setsing sa taolo ea betri (BMU) sehokelong sa J12. Phepelo ea motlakase e tlameha ho latela litšobotsi tse hlalositsoeng ho Lethathamo la 5.

Letlapa la 5. Litšobotsi tsa phepelo ea matla

Letšoao	Paramethara	Maemo	Min	Tlanya	Max	Yuniti
VCC	phepelo voltage		6	12	35	V
ICC	phepelo jwale	12 V tlhahiso ea matlatage, RDA777T2 ka mokhoa o sebetsang	500	-	-	mA

BMU e ka tlase-voltage, athe BJB e maemong a holimotage domain. Ka hona, RDA777T2 e kenya mochine o ikemetseng oa DC-DC ho matlafatsa MC33777A le potoloho ea kantle. Mofetoleli o fana ka karohano ea 1.5 kV.

 Tekanyo ea hajoale

• RDA777T2 e lekanya ho fihla ho maqhubu a mane.
• Bakeng sa maemo a tloaelehileng a ts'ebeliso, liteishene tse peli li lekane ho lekanya betri ea hajoale ho fihlela lipheo tsa ts'ireletso tsa ASIL D.
• Bakeng sa litsamaiso tse rarahaneng haholoanyane (mohlalaample, lipakete tsa betri tse fetotsoeng tse nang le litekanyo tse peli tse arohaneng tsa hajoale), moralo oa litšupiso o fana ka litekanyo tse ling tse peli tsa hajoale.

Litšobotsi tsa hona joale tsa tekanyo
Mosebelisi a ka hokela ho litekanyo tsa hajoale ho:

• Sehanyetsi sa shunt ho lekanya metsi a phallang ho eona
• Molumo o ka ntletagmohloli o etsisang shunt resistor voltaglerotholi

Lethathamo la 6 le thathamisa litšobotsi tsa hona joale tsa ho kenya litekanyo.

Letlapa la 6. Litšobotsi tsa tekanyo ea hona joale

Letšoao	Paramethara	Maemo	Min	Tlanya	Max	Yuniti
Vpin	pin voltage	voltage ho tloha ho P pin kapa N pin ho ea ho GND	−300	-	+300	mV
Vdif	phapang voltage	voltage ho tloha ho P pin ho ea ho N pin	−300	-	+300	mV

Boto e latela lintlha tsa MC33777A mabapi le likarolo tse hlokahalang tsa kantle.

 Khokahano ea tekanyo ea hajoale
RDA777T2 e lekanya hajoale ho likenyelletso tse latelang tsa MC33777A:

Letlapa la 7. Kabo ea mocha oa tekanyo ea hajoale

Tekanyo ea hajoale	Litekanyo tsa MC33777A
Litlhahiso tsa mantlha tsa ISENSE	PRM_ISENSEP le PRM_ISENSEN
Lintlha tsa mantlha tsa VISENSE	PRM_VISENSEP le PRM_VISENSEN
Litlhahiso tsa bobeli tsa ISENSE	SEC_ISENSEP le SEC_ISENSEN
Lintlha tsa bobeli tsa VISENSE	SEC_VISENSEP le SEC_VISENSEN

Sehokelo sa hajoale sa tekanyo se boetse se fana ka likhokahano tsa fatše tsa MC33777A. Mela ea fatše e arotsoe ho mela ea tekanyo. E tlosa hona joale meleng e ntle / e mpe le ho ntlafatsa ho nepahala.

Mosebelisi a ka lekola tekanyo ea hajoale ka mekhoa e 'meli:

• Ho kenya motlakase ho shunt resistor
• Ho sebelisa molumo oa kantletagmohloli o moholo

Setšoantšo sa 3 se bontša example ya kgokelo hodima shunt resistor.

• Mela e ntle le e mpe e hokahane ka mahlakoreng a mabeli a karolo ea shunt sensing. Ho kheloha mokhoa oa mela o khelosa polarity ea tekanyo ea hajoale.
• Ho exampLe, motlakase oa ho tsoa ha betri o fana ka tekanyo e nepahetseng. Mohala oa ho tjhaja betri o fana ka tekanyo e fosahetseng.
• Mosebelisi o tlameha ho hokela mohala oa fatše lehlakoreng lefe kapa lefe la li-shunt resistors. E etsa bonnete ba hore shunt common mode voltage kopana le mefuta ea ho kenya ea MC33777A.

Setšoantšo sa 4 se bontša example ea khokahano le voltage mohloli.

• Ho lekola tekanyo ea hajoale, mosebelisi a ka boela a hokahanya voltage mohloli oa lintho tse kenang. Joale, ha ho hlokahale hore ho be le molumo o phahamengtage betri kapa mohloli oa hona joale o phahameng.
• Mela e ntle le e mpe e hokahane mahlakoreng a mabeli a molumotage mohloli. Ho kheloha mokhoa oa mela o khelosa polarity ea tekanyo ea hajoale.
• Mosebedisi o lokela ho hokela mola wa fatshe lehlakoreng lefe kapa lefe la voltage mohloli. E etsa bonnete ba hore mokhoa o tloaelehileng oa voltage kopana le mefuta ea ho kenya ea MC33777A.

Phetoho ea tekanyo ea hajoale

• MC33777A e fetolela ka bo eona matla a ho kenyatage lekanya boleng ba hajoale (tsebiso e eketsehileng e fumaneha bukeng ea litšupiso ea sesebelisoa).
• Mosebelisi o tlameha ho hlophisa sensor ea hajoale ho voltage karo-karolelano ho rejisetara (mohlalaample, the external shunt conductance).

Tekanyo ea mocheso

• RDA777T2 e lekanya lithempereichara tse peli ka lihanyetsi tsa kantle tsa NTC. Mosebelisi o na le monyetla oa ho beha mohanyetsi oa NTC haufi le mochini oa shunt ho lekanya mocheso oa eona.

 Litšobotsi tsa ho lekanya mocheso
Letlapa la 8 le hlalosa litšobotsi tsa tšobotsi ea tekanyo ea mocheso.

Letlapa la 8. Litšobotsi tsa tekanyo ea mocheso

Letšoao	Paramethara	Maemo	Min	Tlanya	Max	Yuniti
VREF5V0	biasing voltage		-	5	-	V
Rpu	kganetso ya ho hula		-	10	-	k
RNTC (ext)	khanyetso ea kantle ea NTC	T amb = 25 ° C	-	10	-	k

Tlhaloso ea potoloho ea tekanyo ea mocheso

• Mosebelisi a ka hokela ka kotloloho mohanyetsi oa kantle oa NTC lipakeng tsa lithakhisa tse peli tse inehetseng ho sehokelo sa tekanyo sa hajoale.
• Potoloho ea tekanyo ea mocheso e latela likhothaletso tsa leqephe la data la MC33777A.

RDA777T2 e lekanya mocheso linthong tse latelang:

Letlapa la 9. Kabo ea mocha oa tekanyo ea mocheso

Tekanyo ea mocheso	Setšoantšo sa MC33777A
Tekanyo ea mocheso oa mantlha	PRM_IO6
Tekanyo ea mocheso oa bobeli	SEC_IO6

MC33777A e hlahisa mohloli oa 5 V ho leeme mohanyetsi oa NTC. Ho ntlafatsa ho nepahala ha tekanyo, mosebelisi o tlameha ho lokisa tlhahiso ea analoge bakeng sa litekanyo tsa ratiometric.

Phetoho ea tekanyo ea mocheso
Ka kenyelletso ea analog e hlophisitsoeng bakeng sa litekanyo tsa ratiometric, MC33777A e khutlisa karo-karolelano ea biasing vol.tage.

Molaoli oa sistimi a ka bala boleng ba NTC a sebelisa equation e latelang:

 

Hokae:

• RNTC ke sephetho sa lipalo tsa NTC ho Ω
• RTC ke mohanyetsi oa ho hula ho Ω
• RESULT ke sephetho sa tekanyo ea analog-to-digital converter (ADC) (boleng ba 16-bit)
• Δres(ratio-io) ke qeto ea tekanyo ea ratiometric (sheba leqephe la lintlha la MC33777A)

Joale, molaoli a ka bala mocheso ka ho sebelisa leqephe la data la resistor la NTC (bakeng sa mohlalaample: lipalo tse nang le β coefficient, kapa ka tafole ea ho sheba).

Phahameng-voltaglitekanyo
RDA777T2 e lekanya matla a mangata a phahamengtage ka har'a sistimi. BMU e ka bala sephetho ebe e tsoela pele, mohlala, ho ikopanya le ho beha leihlo.

 Phahameng-voltage tšobotsi ea tekanyo
Lethathamo la 10 le hlalosa boemo bo phahamengtage litšobotsi tsa tekanyo.

Letlapa la 10. Phahameng-voltage litšobotsi tsa tekanyo

Letšoao	Paramethara	Maemo	Min	Tlanya	Max	Yuniti
VD	off-state voltage	phahameng-voltage switjha e holofetse	−1500	-	+1500	V
Vh v+	positive voltaglitekanyo tsa litekanyo	phahameng-voltage switjha e nolofaditswe	0	-	1000	V
Vhv-	lefu la ho ferekana kelellongtaglitekanyo tsa litekanyo	phahameng-voltage switjha e nolofaditswe	−1000	-	+1000	V
f-3dB	khaola khafetsa		-	340	-	Hz
t s	lula nako		-	3	-	ms

 Phahameng-voltagtlhaloso ea potoloho ea tekanyo
RDA777T2 e lekanya ho fihla ho matla a phahameng a leshometage ka har'a sistimi.
Litlhahiso tse robeli tse ntle hangata li beha leihlo voltage ka mose ho likhokahano tsa mahlakore a holimo le li-fuse tsa mahlakore a holimo (bakeng sa mohlalaample, sehokahanyi lipakeng tsa theminale e nepahetseng ea betri le theminale ea inverter positive). Litlhahiso tsena li amohela matla a phahamengtage kopana le Vhv+. Litlhahiso tse peli (e le 'ngoe e ka sehloohong le e' ngoe ea bobeli) e ka shebella ntlha e le 'ngoe ho fana ka redundancy le ho eketsa boemo ba botšepehi ba polokeho ka kakaretso. Lintho tse peli tsa ho feto-fetoha ha maikutlo hangata li beha leihlo molumo oa molumotage ka mose ho li-contacters tse tlase (bakeng sa mohlalaample, sehokedi dipakeng tsa theminale ya betri e nyahamisang le theminale ya ho tjhaja ha tjhaja). Litlhahiso tsena li amohela matla a phahamengtages kopano Vhv-.

Setšoantšo sa 5 se hlalosa potoloho ea li-positive le bipolar high-voltage litsela tsa ho lekanya.

• Ho fokotsa ho lutla ha hona joale ho bahanyetsi ha ho se na tekanyo, e phahameng-voltage switjha e ka hakolla borokho. Tlhahiso ea dijithale ea MC33777A e laola sesebelisoa sena.
• Voltage arola molumo o phahamengtage tlase ho sesebelisoa sa ho kenya molumotage range. Lihanyetsi tse etsang RH li tlameha ho mamella molumo o phahamengtage.
• Ho qoba ho dutla ka baka la seqhutsu se phahamengtage, boto e tlameha ho etsa bonnete ba hore sebaka se seholo se lekaneng sa creepage pakeng tsa li-node tse fapaneng. Li-cuttings ho PCB li eketsa sebaka sa creepage. Li-cuttings ke tsa boikhethelo ha u sebelisa ho roala kapa ka matla a tlaasetages.
• Bakeng sa bipolar voltagE lekanya, MC33777A e hlahisa tšupiso ea 2.5 V. E fetola tlhahiso ea borokho bo hanyetsanang ho isa halofo ea MC33777A voltage range. Sesebelisoa se ka etsa tekanyo e fapaneng pakeng tsa tlhahiso ea karohano le referense.
• Sesefa sa analoge se thibelang aliasing se ntlafatsa ts'ebetso ea lerata. Ka lebaka la filthara le nako ea karabelo ea switch circuitry, molaoli o tlameha ho ema ts'ebetso pele a qala voltage tekanyo.

MC33777A e lekanya matla a arohanengtage. Ho ntlafatsa ho nepahala, mosebelisi o tlameha ho hlophisa tlhahiso ea analog joalo ka:

• Mokhoa o felletseng (bakeng sa litekanyo tse nepahetseng)
• Mokhoa o fapaneng khahlano le litšupiso tsa 2.5 V (bakeng sa litekanyo tsa bipolar)

 Phahameng-voltage kabo ea kanale ea tekanyo
Lethathamo la 11 le hlalosa RDA777T2 high-voltage kabo ea kanale ea tekanyo.

Letlapa la 11. Kabo ea kanale

Phahameng-voltaglitekanyo	Kenyelletso ea tekanyo ea MC33777A	Phahameng-voltage switch control signal
Primary positive high-voltage kenya 1	PRM_IO1	PRM_IO0
Primary positive high-voltage kenya 2	PRM_IO2
Primary positive high-voltage kenya 3	PRM_IO3
Primary positive high-voltage kenya 4	PRM_IO4
Pherekano ea mantlha ea lefu la tsoekeretage kenya 5	PRM_IO5
Ea bobeli e positive high-voltage kenya 1	SEC_IO1	SEC_IO0
Ea bobeli e positive high-voltage kenya 2	SEC_IO2
Ea bobeli e positive high-voltage kenya 3	SEC_IO3
Ea bobeli e positive high-voltage kenya 4	SEC_IO4
Sekhahla sa bobeli sa bipolar high-voltage kenya 5	SEC_IO5

Positive-voltagphetoho ea tekanyo
Bakeng sa positive-voltaglitekanyo tsa e, voltage divider e bua ka sebaka sa MC33777A. Sesebelisoa se lekanya ka kotloloho molumo oa tlhahisotage ea karohano e le:

Joale, molaoli a ka bala molumo o phahamengtage lekanya joalo ka:

Ka:

• VHV ke matla a phahamengtage ho lekanya ka V
• VSENSE ke tlhahiso ea voltage arola ka V
• VADC ke tekanyo ea lisebelisoa ho V
• RL ke sehanyetsi sa karohano se tlase se lekanang le 10 kΩ
• RH ke sehanyetsi sa mahlakoreng a holimo se lekanang le 2.1 MΩ
• RESULT ke sephetho sa tekanyo ea sesebelisoa (nomoro ea 16-bit)
• Vres(abs-io) ke qeto ea tekanyo ea sesebelisoa e lekanang le 154 µV/LSB

Bipolar-voltagphetoho ea tekanyo
Bakeng sa bipolar-voltaglitekanyo tsa e, voltage divider e lebisitsoe ho sesupo sa MC33777A 2.5 V. Sephetho sa voltage ea karohano ke:

Sesebelisoa se na le tekanyo e fapaneng pakeng tsa tlhahiso ea karohano le referense ea 2.5 V:

Joale, molaoli a ka bala molumo o phahamengtage lekanya joalo ka:

Ka:

• VHV ke matla a phahamengtage ho lekanya ka V
• VSENSE ke tlhahiso ea voltage arola ka V
• VADC ke tekanyo ea lisebelisoa ho V
• RL ke sehanyetsi sa karohano se tlase se lekanang le 4.7 kΩ
• RH ke sehanyetsi sa mahlakoreng a holimo se lekanang le 2.1 MΩ
• RESULT ke sephetho sa tekanyo ea sesebelisoa (nomoro ea 16-bit)
•  Vres(v2v5-io) ke qeto ea tekanyo ea sesebelisoa e lekanang le 154 µV/LSB

 Ho fetola li-circuits bakeng sa low-voltage litekanyo

• Ho sebelisa molumo o tlasetagmohloli o ka nolofatsa tlhahlobo ea RDA777T2. Leha ho le joalo, kaha boto hangata e lekanya matla a phahamengtages, mosebedisi a ka ikamahanya le potoloho.
• Tharollo e bonolo ka ho fetisisa ke ho fetola mohanyetsi oa lehlakoreng le tlaase (RL). Ka ho khetha mohanyetsi oa boleng bo phahameng, karolelano ea divider ea eketseha.
• Nako e sa fetoheng ea filthara ea anti-aliasing e ipapisitse le impedance ea divider. Ho boloka makhetlo a tšoanang a sehiloeng, mosebelisi a ka ikamahanya le capacitor ea filthara (CAAF) hammoho le RL.
• Lethathamo la 12 le hlahisa litekanyetso tse tloaelehileng tsa RL le CAAF ho metha molumo o tlasetage. Ho latela litekanyetso tsena ho netefatsa ho kopana le mefuta ea litekanyo tsa MC33777A.

Letlapa la 12. Boleng ba motsoako ho metha molumo o tlasetage

Vol e tlasetage ho lekanya	Mocha o motle oa ho lekanya		Mocha oa ho lekanya ho ferekana kelellong
	RL	CAAF	RL	CAAF
12 V	1.3 MΩ	680 pf	470 lik'hilograma	1.5NF
24 V	470 lik'hilograma	1.5NF	220 lik'hilograma	2.2NF
48 V	220 lik'hilograma	2.2NF	100 lik'hilograma	4.7NF

Mosebelisi o tlameha ho khetholla liboto tse fetotsoeng ka ho hlaka. Ho sebelisa matla a phahamengtage ho boto e fetotsoeng e ka lebisa likotsing le tšenyo e sa feleng ea boto.

Tlhokomelo ea ho itšehla thajana
RDA777T2 e lipakeng tsa phallo e tlasetage (chassis ea koloi, +12 V betri) le matla a phahamengtagkarolo ea e (high-voltage battery, inverter) ea koloi. Boto e kenyelletsa potoloho ho hlokomela ho itšehla thajana lipakeng tsa likarolo tse peli. E thusa ho lemoha ho hloleha hofe kapa hofe ho itšehla thajana ho ka behang mosebelisi oa koloi kotsing.

Hlokomela: RDA777T2 e fana ka potoloho ea ho beha leihlo ka thoko joalo ka mohlalaample ho bontša tšebeliso. Exampha e so etse liteko tse ngata tlhahisong. NXP e eletsa mosebelisi ho lekola ho tšoaneleha ha eona bakeng sa linyeoe tsa bona tse ikhethileng tsa ts'ebeliso.

Litšobotsi tsa ho beha leihlo ho itšehla thajana
Letlapa la 13 le hlalosa litšoaneleho tsa ts'ebetso ea ho beha leihlo ho itšehla thajana.

Lethathamo la 13. Litšobotsi tsa ho beha leihlo ho itšehla thajana

Letšoao	Paramethara	Maemo	Min	Tlanya	Max	Yuniti
VD(chassis)(max)	boholo ba chassis off-state voltage	phahameng-voltage switjha e holofetse	−3000	-	+3000	V
ts	lula nako	ntle le li-capacitor tsa kantle	-	10	-	ms

 Isolation monitoring potoloho tlhaloso
Setšoantšo sa 7 se hlalosa lipotoloho tse lekolang ho itšehla thajana.

 

Karolo ena e ikemiselitse ho lekola boleng ba khanyetso e lekanang lipakeng tsa:

•  Theminale e ntle ea betri le chassis (RISO+)
• Seteishene se se nang betri le chassis (RISO-)

Vol-phahamengtage switjha (SW3) e hokahanya chassis ho potoloho pele e lekanya. Kaha lihanyetsi tsa tekanyo li phahame ka ho lekana, ho koala SW3 ha ho lebise ho hloleheng ho itšehla thajana ebile ha ho behe mosebelisi oa koloi kotsing. E 'ngoe e phahameng-voltage switch (SW1) e hakolla borokho bo hanyetsanang ho fokotsa ho lutla ha hona joale ho matla a phahameng.tage betri ha ho na tekanyo.

Potoloho e tlameha ho lekanya lihanyetsi tse peli (RISO + le RISO-). Li-voltaglitekanyo tsa e lia hlokahala ho rarolla equation ena tse peli tse sa tsejoeng. Tekanyo ea pele e kenyelletsa R1, R2, le RL. Ho nolofalletsa R3 (ka SW2) ho lumella ho fumana molumo oa bobelitage tekanyo. Karolo ea 3.5.3 e hlalosa tatellano ea tekanyo.

Tlhahiso voltage (VSENSE) e ipapisitse le potoloho ea litekanyo (R1, R2, RL, le R3 haeba e lumelletsoe), matla a betri.tage, le bahanyetsi ba ho itšehla thajana. MC33777A e lekanya phallo enatage. Ho ntlafatsa ho nepahala, mosebelisi o tlameha ho hlophisa tlhahiso ea analog bakeng sa litekanyo tse felletseng.

Lethathamo la 14 le hlalosa kabo ea lintlha le liphetho tsa MC33777A bakeng sa tlhahlobo ea ho itšehla thajana.

Letlapa la 14. Kabo ea kanale ea ho beha leihlo ka thoko

Mosebetsi	Channel
SW1 taolo	PRM_IO0
SW2 taolo	GPIO1
SW3 taolo	GPIO0
VTLHOKOMELO tekanyo	PRM_IO7

Ka lebaka la nako ea karabelo ea switch circuitry, BMU e tlameha ho ema ts ebetso pele e qala molumo o mong le o mongtage tekanyo. Kamora ho tsamaisa tatellano, BMU e bala voltage litekanyo tsa ho fumana lihanyetsi tsa ho itšehla thajana joalo ka ha ho hlalositsoe Karolong ea 3.5.4.

 Tatelano ya ho lekola boinotshi
Letlapa la 15 le hlalosa mehato ea tatellano ea ho beha leihlo ho itšehla thajana.

Lethathamo la 15. Tatelano ea ho beha leihlo ho itšehla thajana

Mohato	Tlhaloso
1	lekanya matla a betritage joalokaha ho hlalositsoe Karolong ea 3.4
2	fetola molumo o phahamengtagtekanyo ea e (joalokaha ho hlalositsoe Karolong ea 3.4.4); bolela sephetho VBATHO
3	koala SW3
4	koala SW1
5	emela ts
6	tekanyo VTLHOKOMELO
7	fetola molumotagtekanyo ea e (joalokaha ho hlalositsoe Karolong ea 3.5.4); bolela sephetho V1
8	koala SW2
9	emela ts
10	tekanyo VTLHOKOMELO
11	fetola molumotagtekanyo ea e (joalokaha ho hlalositsoe Karolong ea 3.5.4); bolela sephetho V2
12	bula SW1, SW2, le SW3
13	ho bala li-resistance tsa ho itšehla thajana, bala VBATHO, V1, le V2 (joalokaha ho hlalositsoe Karolong ea 3.5.4)

 Ho itšehla thajana ho beha leihlo phetoho
Nakong ea tatellano ea ho beha leihlo ka thoko, MC33777A e tsoela pele ho ea ho voltage litekanyo. IC e khutlisa 16-bit. Molaoli o bala sephetho ka V ho latela equation e ka tlase:

Moo:

• Vmeas ke MC33777A input voltage, e lekantsoeng ke ADC, ka V
• RESULT ke phello ea phetoho ea ADC
• Vres(abs-io) ke qeto ea tekanyo ea sesebelisoa e lekanang le 154 µV/LSB

Hang ha tatelano e felile, molaoli o bala litekanyo ho bala lihanyetsi tsa ho itšehla thajana. Ho nolofatsa lipalo, foromo e sebelisa conductance ho fapana le khanyetso.

Equation e ka tlase e hlalosa kamano pakeng tsa khanyetso le boitšoaro.

Hokae:

• YX ke tsamaiso ea S
• RX ke khanyetso ho Ω

Foromo e bonts'ang khanyetso ea ho itšehla thajana tšebetsong ea litekanyo ke e latelang:

Hokae:

• YISO+ ke ts'ebetso ea khanyetso e ntle ea ho itšehla thajana ho S
• YISO- ke ts'ebetso ea khanyetso e mpe ea ho itšehla thajana ho S
• VBAT ke matla a phahameng a fetotsoengtagtekanyo ea betri ka V
• V1 ke karolo ea pele e fetotsoengtage tekanyo ea tatellano ho V
• V2 ke karolo ea bobeli e fetoletsoengtage tekanyo ea tatellano ho V
• YL, Y1, Y2, le Y3 ke litsamaiso tsa lihanyetsi tsa litekanyo ho S Letlapa la 16 le hlalosang mekhahlelo ea phetoho ea RDA777T2.

Letlapa la 16. Mekhahlelo ea ho fetola tekanyo ea ho itšehla thajana

Paramethara	Boleng
RL	24 lik'hilograma
R1	4.03 MΩ
R2	4.03 MΩ
R3	685 lik'hilograma

 Tlhokomelo ea matšoao a ho senyeha
RDA777T2 e beha leihlo lets'oao le ikhethileng la dijithale. E ka ba lets'oao la ho senyeha le tsoang ho low-voltage karolo. Ebe, MC33777A e ka tsosa karabelo (bakeng sa mohlalaample, pyrotechnic switch controller) e thehiloeng ho boemo ba pontšo.

 Litšobotsi tsa ho shebella lets'oao la ho senyeha
Letlapa la 17 le hlalosa litšoaneleho tsa ho shebella lets'oao la ho senyeha.

Lethathamo la 17. Litšobotsi tsa ho shebella lets'oao la ho senyeha

Letšoao	Paramethara	Maemo	Min	Tlanya	Max	Yuniti
Vi(range)	kenyelletso voltage fapaneng		0	-	12	V
Vth	monyako voltage	lets'oao la ho kenya tlase/hodimo kapa hodimo/tlase	-	2.5	-	V
VHV	vol e phahamengtage	boleng ba RMS; ho itšehla thajana ho ea ho ea bobeli; e netefalitsoe ke VOMA617A-4X001T	-	3750	-	V

Potoloho ea ho lekola matšoao a ho senyeha
Setšoantšo sa 8 se hlalosa potoloho ea ho shebella lets'oao la ho senyeha.

The circuitry e amohela leha e le efe voltagke kopana le Vin. Optocoupler e arola lets'oao ebe e fetisetsa tlhahisoleseling ho MC33777A. Sesebelisoa se hlahisa 5 V biasing voltage le ho beha leihlo lets'oao ka mokhoa oa dijithale.

Circry e khelosa lets'oao:

• Letšoao la ho kenya le tlase ho Vth le fella ka 'malo oa boemo bo holimo
• Letšoao la ho kenya le phahameng ho feta Vth le fella ka ho bala ha boemo bo tlaase Lethathamo la 18 le hlalosa kabo ea mocha.

Lethathamo la 18. Kabo ea mocha oa ho lekola mats'oao a ho senyeha

Mosebetsi	Channel
Biasing voltage	SEC_VREF5V0
Kenyelletso ea dijithale	SEC_IO7

 Taolo ea phetoho ea pyrotechnic
RDA777T2 e ts'ehetsa ho khanna ha li-switch tse peli tsa pyrotechnic, ka MC33777A e ikemetseng ea pyrotechnic switch controller.

Litšobotsi tsa taolo ea phetoho ea pyrotechnic
Letlapa la 19 le hlalosa litšobotsi tsa taolo ea phetoho ea pyrotechnic.

Letlapa la 19. Litšobotsi tsa ho laola phetoho ea pyrotechnic

Letšoao	Paramethara	Maemo	Min	Tlanya	Max	Yuniti
CER	matla a polokelo ea matla	capacitor ea pele le capacitor ea bobeli	-	1000	-	µF
VER	letamo la polokelo ea matla capacitor voltage	Lethathamo la lintlha tsa MC33777A	-	18	-	V
Ich	tefiso ya jwale	RPSC_CFG = 200 kΩ	-	86	-	mA
tch	tefo nako	RPSC_CFG = 200 kΩ	-	210	-	ms

 Pyrotechnic switch control circuitry
Li-controller tse peli tsa MC33777A pyrotechnic li fumaneha lihokelong tse peli. Mosebelisi a ka hokela:

• Balaoli ka bobeli ho switch e le 'ngoe ea pyrotechnic (ho khanna ho sa hlokahaleng)
• Molaoli e mong le e mong ho switjha e fapaneng ea pyrotechnic (ho khanna ka boikemelo)

Ka bobeli li-switch controllers tsa pyrotechnic li na le "energy reservoir capacitor" (CER) e ikemetseng. Haeba ho na le tahlehelo ea phepelo ea motlakase, li-capacitor li boloka matla bakeng sa ho thunya le ho boloka sesebelisoa se sebetsa. Ka nako e sa lekanyetsoang, bahanyetsi ba hokahaneng pineng ea PSC_CFG ba hlophisa tefiso ea capacitor hajoale ho tjhaja.

Puisano
RDA777T2 e buisana le BMU le ETPL. Transformer e arola mapolanka ka bobeli. Leqephe la lintlha la MC33777A le hlalosa potoloho e hlokahalang bakeng sa puisano.

 Litšupiso
NXP Semiconductors e fana ka lisebelisoa tsa marang-rang bakeng sa boto ena ea tlhahlobo le lisebelisoa tsa eona tse tšehetsoeng ho http://www.nxp.com. Leqephe la lintlha tsa MC33777A ke http://nxp.com/mc33777. Leqephe le fana kaview tlhahisoleseding, litokomane, software le lisebelisoa, parametrics, tlhahisoleseding ea ho laela le tab ea ho qala.

Nalane ea ntlafatso

Tokomane ID	Letsatsi la ho nšoa	Tlhaloso
UM12056 v.1.0	La 21 Hlakubele 2025	mofuta oa pele

Boitsebiso ba molao

Litlhaloso
Moralo - Boemo ba tokomane bo bonts'a hore litaba li ntse li le tlasa ts'ebetso ea kahareview le ho latela tumello ea molao, e ka bakang liphetoho kapa ho eketsoa. Li-Semiconductors tsa NXP ha li fane ka litlatsetso kapa litiisetso mabapi le ho nepahala kapa botlalo ba tlhahisoleseling e kenyellelitsoeng tokomaneng ea tokomane mme e ke ke ea ba le boikarabello bakeng sa litlamorao tsa ts'ebeliso ea tlhaiso-leseling e joalo.

Boithorollo
Tiisetso le melato e fokolang - Litaba tse tokomaneng ena ho lumeloa hore li nepahetse ebile lia tšepahala. Leha ho le joalo, li-Semiconductors tsa NXP ha li fane ka litlatsetso kapa litiisetso, tse hlahisitsoeng kapa tse boletsoeng, mabapi le ho nepahala kapa botlalo ba tlhahisoleseling e joalo mme e ke ke ea ba le boikarabello bakeng sa litlamorao tsa ts'ebeliso ea tlhahisoleseling e joalo. Li-Semiconductors tsa NXP ha li nke boikarabello bakeng sa litaba tse tokomaneng ena haeba li fanoe ke mohloli oa tlhahisoleseling kantle ho li-Semiconductors tsa NXP.

Ha ho ketsahalo e ke keng ea jara li-Semiconductors tsa NXP bakeng sa tšenyo efe kapa efe e sa tobang, e sa lebelloang, ea kotlo, e khethehileng kapa ea litlamorao (ho kenyeletsoa - ntle le meeli - phaello e lahlehileng, ho lahleheloa ke chelete, tšitiso ea khoebo, litšenyehelo tse amanang le ho tlosoa kapa ho nkeloa sebaka ha lihlahisoa leha e le life kapa litefello tsa ts'ebetso) ho sa tsotellehe hore na tšenyo e joalo e thehiloe holim'a tort (ho kenyeletsoa bohlasoa ba molao kapa tlōlo ea molao). Ho sa tsotellehe litšenyehelo leha e le life tseo moreki a ka bang le tsona ka lebaka leha e le lefe, kakaretso ea NXP Semiconductors' le boikarabelo bo akaretsang ho moreki bakeng sa lihlahisoa tse hlalositsoeng mona li tla fokotsoa ho ea ka Melao le maemo a thekiso ea khoebo ea NXP Semiconductors.

• Tokelo ea ho etsa liphetoho - Li-Semiconductors tsa NXP li na le tokelo ea ho etsa liphetoho tlhahisoleseling e phatlalalitsoeng tokomaneng ena, ho kenyeletsoa ntle le meeli le litlhaloso tsa sehlahisoa, ka nako efe kapa efe ntle le tsebiso. Tokomane ena e nka sebaka sa tlhahisoleseling eohle e fanoeng pele ho phatlalatsoa.
• Lisebelisoa - Lisebelisoa tse hlalositsoeng mona bakeng sa efe kapa efe ea lihlahisoa tsena ke tsa lipapiso feela. Li-Semiconductors tsa NXP ha li fane ka boemeli kapa tiisetso ea hore lits'ebetso tse joalo li tla tšoaneleha bakeng sa ts'ebeliso e boletsoeng ntle le liteko tse ling kapa phetoho. Bareki ba ikarabella bakeng sa moralo le ts'ebetso ea lits'ebetso le lihlahisoa tsa bona ba sebelisa lihlahisoa tsa NXP Semiconductors, 'me NXP Semiconductors ha e amohele boikarabello bakeng sa thuso leha e le efe ka likopo kapa moralo oa sehlahisoa sa bareki. Ke boikarabelo ba moreki feela ho fumana hore na sehlahisoa sa NXP Semiconductors se loketse le hore se loketse lits'ebetso tsa moreki le lihlahisoa tse reriloeng, hammoho le ts'ebeliso e reriloeng le ts'ebeliso ea bareki ba motho oa boraro. Bareki ba tlameha ho fana ka litšireletso tse nepahetseng tsa moralo le ts'ebetso ho fokotsa likotsi tse amanang le lits'ebetso le lihlahisoa tsa bona.
  Li-Semiconductors tsa NXP ha li amohele sekoloto leha e le sefe se amanang le ho se be teng, tšenyo, litšenyehelo kapa bothata bo ipapisitseng le bofokoli bofe kapa bofe kapa bofokoli ba lits'ebetso kapa lihlahisoa tsa moreki, kapa kopo kapa ts'ebeliso ea bareki ba motho oa boraro. Moreki o na le boikarabello ba ho etsa liteko tsohle tse hlokahalang bakeng sa lits'ebetso le lihlahisoa tsa moreki a sebelisa lihlahisoa tsa NXP Semiconductors ho qoba ho se be teng ha lits'ebetso le lihlahisoa kapa ts'ebeliso kapa ts'ebeliso ea bareki ba motho oa boraro. NXP ha e amohele melato leha e le efe tabeng ena.
• Melao le lipehelo tsa thekiso ea khoebo - Lihlahisoa tsa NXP Semiconductors li rekisoa ho latela maemo le maemo a kakaretso a thekiso ea khoebo, joalo ka ha e phatlalalitsoe ho https://www.nxp.com/profile/terms, ntle le haeba ho lumellanoe ka tsela e ’ngoe tumellanong e nepahetseng e ngotsoeng ea motho ka mong. Haeba tumellano ea motho ka mong e phetheloa ho tla sebetsa feela lipehelo le maemo a tumellano e amehang. Ka hona, li-Semiconductors tsa NXP li hanyetsa ka ho hlaka ho sebelisa lipehelo le lipehelo tse akaretsang tsa moreki mabapi le ho rekoa ha lihlahisoa tsa NXP Semiconductors ke moreki.
• E loketse ho sebelisoa lits'ebetsong tsa likoloi - Sehlahisoa sena sa NXP se loketse ho sebelisoa lits'ebetsong tsa likoloi. Haeba sehlahisoa sena se sebelisoa ke moreki ho nts'etsopele, kapa ho kenyeletsoa ho lihlahisoa kapa litšebeletso (a) tse sebelisoang lits'ebetsong tsa bohlokoa tsa polokeho kapa (b) moo ho hloleha ho ka lebisang lefung, ho lemala, kapa ho senyeha ho hoholo ha 'mele kapa tikoloho ( lihlahisoa tse joalo le litšebeletso tseo hamorao li tla bitsoa "Likopo tse Hlokoang"), joale moreki o etsa liqeto tsa ho qetela tsa moralo mabapi le lihlahisoa tsa hae 'me o ikarabella feela bakeng sa ho latela litlhoko tsohle tsa molao, tsa taolo, tsa polokeho le ts'ireletso mabapi le lihlahisoa tsa hae, ho sa tsotelehe tlhahisoleseling efe kapa efe. kapa tšehetso e ka fanoang ke NXP. Kahoo, moreki o nka kotsi eohle e amanang le ts'ebeliso ea lihlahisoa life kapa life ho Likopo tse Bohlokoa le NXP mme bafani ba eona ba ke ke ba jara boikarabelo ba tšebeliso efe kapa efe e joalo ke moreki. Ka hona, moreki o tla lefa le ho boloka NXP e se kotsi ho tsoa likopong life kapa life, mekoloto, lits'enyehelo le litšenyehelo tse amanang le tsona (ho kenyeletsoa le litefello tsa babuelli ba molao) tseo NXP e ka bang le tsona tse amanang le ho kenyelletsoa ha moreki ha sehlahisoa sefe kapa sefe Kopong e Bohlokoa.
• Taolo ea kantle ho naha - Tokomane ena hammoho le (li) lintho tse hlalositsoeng mona li ka ipapisa le melaoana ea taolo ea kantle ho naha. Ho romela kantle ho naha ho ka hloka tumello ea pele ho tsoa ho balaoli ba nang le bokhoni.
• Lihlahisoa tsa tlhahlobo - Sehlahisoa sena sa tlhahlobo se reretsoe feela litsebi tse hloahloa tsa tekheniki, ka ho khetheha bakeng sa ho sebelisoa libakeng tsa lipatlisiso le nts'etsopele ho tsamaisa merero ea tlhahlobo. Ha se sehlahisoa se felileng, leha e le hore se reretsoe ho ba karolo ea sehlahisoa se felileng. Lisebelisoa leha e le life tsa software kapa tsa software tse fanoeng ka sehlahisoa sa tlhahlobo li tlas'a melaoana e sebetsang ea laesense e tsamaeang le lisebelisoa tse joalo tsa software kapa software.
• Sehlahisoa sena sa tlhahlobo se fanoe ka "joalokaha se le" le "ka liphoso tsohle" molemong oa tlhahlobo feela 'me ha sea lokela ho sebelisoa bakeng sa mangolo a sehlahisoa kapa tlhahiso. Haeba u khetha ho sebelisa lihlahisoa tsena tsa tlhahlobo, u etsa joalo ka kotsi ea hau, 'me ka hona u lumela ho lokolla, ho sireletsa le ho lefella NXP (le bohle ba amanang le eona) bakeng sa likopo leha e le life kapa litšenyehelo tse bakoang ke tšebeliso ea hau. NXP, balekane ba eona le bafani ba eona ba fanang ka thepa ka mokhoa o hlakileng ba hana litiisetso tsohle, ebang ke tse boletsoeng, tse boletsoeng kapa tse molaong, ho kenyeletsoa empa ho sa felle feela ho litiisetso tse boletsoeng tsa ho se tlole molao, ho rekisoa le ho phela hantle molemong o itseng. Kotsi eohle ea boleng, kapa e hlahang ka lebaka la ts'ebeliso kapa ts'ebetso, ea sehlahisoa sena sa tlhahlobo e sala e le mosebelisi.
• Ha ho ketsahalo e ke keng ea e-ba teng NXP, balekane ba eona kapa barekisi ba eona ba tla ikarabella bakeng sa ts'enyehelo efe kapa efe e khethehileng, e sa tobang, ea litlamorao, ea kotlo kapa e sa lebelloang (ho kenyeletsoa ntle le tefiso ea moeli bakeng sa tahlehelo ea khoebo, tšitiso ea khoebo, tahlehelo ea ts'ebeliso, tahlehelo ea data kapa tlhaiso-leseling, joalo-joalo) ka lebaka la ts'ebeliso kapa ho se khone ho sebelisa sehlahisoa sa tlhahlobo ho latela bohlasoa kapa ho se tsotelle ( tlolo ea konteraka, ho tlola tiisetso kapa khopolo efe kapa efe, leha ba eletsoa ka monyetla oa tšenyo e joalo.
• Leha ho na le ts'enyehelo efe kapa efe eo mosebelisi a ka e bakelang ka lebaka lefe kapa lefe (ho kenyeletsoa ntle le moeli, litšenyehelo tsohle tse boletsoeng ka holimo le lits'enyehelo tsohle tse tobileng kapa tse akaretsang), boikarabello bohle ba NXP, balekane ba eona le barekisi ba bona le pheko e ikhethileng ea mosebelisi bakeng sa tsohle tse boletsoeng ka holimo e tla lekanyetsoa feela litšenyehelong tsa 'nete tse bakiloeng ke mosebelisi ho latela palo e lefshoang ea sehlahiswa. kapa lidolara tse hlano (US$5.00). Meeli e boletsoeng ka holimo, mekhelo le boitlamo bo tla sebetsa ho isa tekanyong e lumelletsoeng ke molao o sebetsang, le haeba pheko efe kapa efe e hloleha ho fihlela sepheo sa eona sa bohlokoa 'me e ke ke ea sebetsa haeba ho etsoa phoso ea ka boomo.
• Lingoliloeng tsa HTML - Mofuta oa HTML, haeba o le teng, oa tokomane ena o fanoe ka tlhompho. Lintlha tse hlakileng li teng tokomaneng e sebetsang ka sebopeho sa PDF. Haeba ho na le phapang lipakeng tsa tokomane ea HTML le tokomane ea PDF, tokomane ea PDF e tla pele.
• Liphetolelo - Tokomane eo e seng ea Senyesemane (e fetoletsoeng), ho kenyeletsoa le litaba tsa molao tse tokomaneng eo, ke tsa litšupiso feela. Phetolelo ea Senyesemane e tla sebetsa haeba ho ka ba le phapang lipakeng tsa liphetolelo tse fetoletsoeng le tsa Senyesemane.
• Tshireletso - Moreki oa utloisisa hore lihlahisoa tsohle tsa NXP li ka ba tlas'a bofokoli bo sa tsejoeng kapa li ka ts'ehetsa maemo a ts'ireletso kapa litlhaloso tse nang le mefokolo e tsejoang. Moreki o ikarabella bakeng sa moralo le ts'ebetso ea lits'ebetso le lihlahisoa tsa hae bophelong bohle ba bona ho fokotsa litlamorao tsa bofokoli bona lits'ebetsong le lihlahisoa tsa moreki. Boikarabello ba moreki bo boetse bo fetela ho litheknoloji tse ling tse bulehileng le/kapa tsa botho tse tšehetsoeng ke lihlahisoa tsa NXP hore li sebelisoe lits'ebetsong tsa bareki. NXP ha e amohele boikarabelo ba ho ba kotsing. Moreki o lokela ho lekola lintlafatso tsa ts'ireletso khafetsa ho tsoa ho NXP le ho li latela ka nepo.
• Moreki o tla khetha lihlahisoa tse nang le likarolo tsa ts'ireletso tse kopanang hantle le melao, melaoana le maemo a ts'ebeliso e reriloeng mme a etse liqeto tsa mantlha tsa moralo mabapi le lihlahisoa tsa hae mme o na le boikarabello ba ho latela litlhoko tsohle tsa molao, tsa tsamaiso le ts'ireletso mabapi le lihlahisoa tsa hae, ho sa tsotelehe. ea tlhahisoleseling efe kapa efe kapa tšehetso e ka fanoang ke NXP.
• NXP e na le Sehlopha sa Karabelo ea Ketsahalo ea Ts'ireletso ea Lihlahisoa (PSIRT) (e fumaneha ho PSIRT@nxp.com) e laolang lipatlisiso, tlaleho, le tokollo ea tharollo ho bofokoli ba ts'ireletso ea lihlahisoa tsa NXP.
• NXP BV - NXP BV ha se khamphani e sebetsang mme ha e aba kapa ho rekisa lihlahisoa.

Matšoao a khoebo

Hlokomela: Mefuta eohle e boletsoeng, mabitso a lihlahisoa, mabitso a litšebeletso, le matšoao a khoebo ke thepa ea beng ba tsona ka ho fapana.

NXP - wordmark le logo ke matšoao a khoebo a NXP BV

Ka kopo hlokomela hore litsebiso tsa bohlokoa mabapi le tokomane ena le lihlahisoa tse hlalositsoeng mona, li kenyelelitsoe karolong ea 'Legal information'.

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Litokelo tsohle li sirelelitsoe.
Maikutlo a litokomane

• Letsatsi la ho lokolloa: 21 Hlakubele 2025
• ID ea litokomane: UM12056

Lipotso Tse Botsoang Hangata

1. Na boto ea RDA777T2 e loketse boleng bo phahamengtaglikopo?
   Ee, boto ea RDA777T2 e etselitsoe boleng bo phahamengtagSistimi ea taolo ea betri mme e khona ho fihla ho 800 V.
2. Na moralo oa litšupiso o ka sebelisoa e le sehlahisoa se ikemetseng?
   Che, moralo oa litšupiso o reretsoe merero ea tlhahlobo le prototyping feela, eseng joalo ka sehlahisoa se felileng.
3. Ke mehato efe ea ho itšireletsa e lokelang ho nkoa ha ho sebelisoa sehlahisoa?
   Netefatsa hore basebetsi ba nang le litsebo ba sebelisa sehlahisoa libakeng tse khethiloeng tsa tlhahlobo ka lebaka la kotsi ea ho ts'oaroa ha motlakase le likotsi tsa mollo tse amanang le matla a phahameng.tages.

Litokomane / Lisebelisoa

NXP RDA777T2 Battery Junction Box Reference Design [pdf] Bukana ea Mosebelisi RDA777T2 Battery Junction Box Reference Design, RDA777T2, Battery Junction Box Reference Design, Junction Box Reference Design, Box Reference Design, Design Design

Litšupiso

• Bukana ea Mosebelisi