STMicroelectronics EVLDRIVE101-HPD Reference Design Board
Litlhaloso
- Keletso voltage: Lebitso ho tloha 18 V ho isa ho 52 V
- Sephetho sa hajoale: Tlhōrō ea 21.15 A, E Tsoelang Pele 15 A rms
- Matla a tlhahiso: 750 W e tsoelang pele
Tlhahisoleseding ya Sehlahiswa
Litlhokomelo tsa Tšireletso
Tlhokomeliso: Likarolo tse ling tsa boto li ka fihlela mocheso o kotsi nakong ea ts'ebetso. Latela litemoso tsena:
- Se ke oa ama likarolo kapa heatsink.
- U se ke ua koahela boto.
- Qoba ho kopana le thepa e tukang kapa lintho tse ntšang mosi ha o futhumala.
- Lumella boto hore e phomole ka mor'a ts'ebetso pele u e ama.
Litlhoko tsa Hardware le Software
Ho sebelisa boto, o tla hloka:
- A Windows PC
- STLINK debugger/programmer bakeng sa STM32 kapa e lekanang le eona
- Firmware exampe hlahisoa ka MSDK 6.2 kapa ho feta
- Motlakase o nang le voltage pakeng tsa 18 V le 52 V
- Enjene ea mekhahlelo e meraro ea brushless e tsamaellanang le phepelo ea motlakase le boto ea voltage ranges
Litaelo tsa Tšebeliso ea Sehlahisoa
Rea qala
- Hokela likarolo tsa motor tse se nang brush ho J1, J2, le J3.
- Fana ka matla ka J5 (positive) le J6 (fatše).
- Khoasolla khoutu e hlophisitsoeng ka sebopeho sa SWD ka ho hokela sebatli sa STLINK ho J7.
- Ho hlophisa MCU, phepelo ea taolo ea potoloho ka ho khutsufatsa pin 5 ea J8 fatše.
Tlhaloso ea Hardware le Tlhophiso
Lintlha tsa boto li thathamisitsoe ka tlase:
| Paramethara | Boleng |
|---|---|
| Keletso voltage | Lebitso ho tloha 18 V ho isa ho 52 V |
| Sephetho sa hajoale | Tlhōrō: 21.15 A, Tsoela pele: 15 A rms |
| Matla a hlahisang | Tsoela pele: 750 W |
LBH
- P: Ke lokela ho etsa eng haeba boto e chesa haholo nakong ea ts'ebetso?
A: Haeba boto e fihla mocheso o kotsi, emisa ts'ebetso hang-hang 'me u e lumelle hore e pholile pele u e ama. - P: Na nka sebelisa phepelo ea motlakase e nang le phallo ea voltage ka tlase ho 18 V?
A: Ho kgothaletswa ho sebelisa phepelo ea motlakase ka har'a vol e boletsoengtage range (18 V ho 52 V) bakeng sa ts'ebetso e nepahetseng le polokeho.
UM3257
Bukana ea mosebelisi
Ho qala ka moralo oa litšupiso oa EVLDRIVE101-HPD o thehiloeng ho STDRIVE101 bakeng sa lisebelisoa tse tsamaisoang ka enjene tsa morao-rao le tse se nang brush.
Selelekela
EVLDRIVE101-HPD ke inverter ea mekhahlelo e meraro e sebetsang ka ho fetisisa bakeng sa li-motors tse se nang brush tse thehiloeng ho sesebelisoa sa STDRIVE101 hammoho le microcontroller ea STM32G071KB. Boto ke tharollo e loketseng ho sebelisoa le e tenyetsehang e loketseng bakeng sa lits'ebetso tsa mekhahlelo e meraro tse tsamaisoang ke betri tse hlokang maqhubu a phahameng a tlhahiso.
E sebelisa li-topology tsa shunt tse tharo le tsa single-shunt mme e kenyelletsa lintlha tse latelang:
- Moqtagho tloha ho 18 ho isa ho 52 V
- E hlahisa hona joale ho fihlela ho 15 Arms
- Mokhoa o tlase oa tšebeliso o fokotsa phepelo ea betri ho taolo ea stage
- Sethibelo sa hajoale se nang le referense e ka feto-fetohang
- Tlhokomelo ea VDS, undervoltage Lockout, overcurrent, le tshireletso kgahlanong le leeme le ka morao ho tloha matla stage liphetho
- Back-EMF (BEMF) sensing circuitry
- Sehokelo se kenyang bakeng sa li-encoder kapa li-sensor tsa Hall-effect based
- Bese voltage tlhokomelo le tlhokomelo mocheso
- Li-GPIO tse 5 tse setseng
- SWD debug interface le ntlafatso e tobileng ea firmware ka UART (DFU)
Mehato ea tšireletso
Tlhokomeliso: Likarolo tse ling tse kentsoeng ka boto li ka fihla mocheso o kotsi nakong ea ts'ebetso.
Ha u sebelisa boto, latela litemoso tsena:
- Se ke oa ama likarolo kapa heatsink.
- U se ke ua koahela boto.
- U se ke ua beha boto ho kopana le lisebelisoa tse tukang kapa ka lisebelisoa tse ntšang mosi ha li futhumala.
- Ka mor'a ts'ebetso, lumella boto hore e pholile pele u e ama.
Litlhoko tsa Hardware le software
Ho sebelisa boto, software le hardware tse latelang lia hlokahala:
- A Windows PC
- STLINK debugger/programmer bakeng sa STM32 kapa e lekanang le eona
- A 6-step kapa FOC firmware exampe hlahisoa ka MCSDK 6.2 kapa ho feta. Ho hlahisa khoutu, tlhaloso ea boto (JSON file) e tlameha ho romelloa ka har'a MSDK Workbench GUI, haeba e se e le teng, ka Mookameli oa Boto joalokaha ho bontšitsoe bukeng ea MSDK Workbench user manual. Tlhaloso ea boto e ka kopitsoa ho tloha ho web Leqephe la EVLDRIVE101-HPD
- IDE e khethiloeng har'a IAR Embedded Workbench for Arm (IAR-EWARM), Keil® microcontroller development kit (MDK-ARM-STM32), le STM32CubeIDE (STM32CubeIDE)
- Motlakase o nang le voltage pakeng tsa 18 V le 52 V
- Enjene ea mehato e meraro e se nang brush e lekanang hona joale le voltagmefuta ea e ka bobeli phepelo ea motlakase le boto
Rea qala
Ho qala morero oa hau ka boto:
- Hokela likarolo tsa motor tse se nang brush ho J1, J2, le J3
- Fana ka boto ka J5 (positive) le J6 (fatše)
- Khoasolla khoutu e hlophisitsoeng ka sebopeho sa SWD se hokelang STLINK programmer ho J7 (STDC14 connector)
Hlokomela:
Ho hlophisa MCU, potoloho ea taolo e tlameha ho fanoa e khutsufatsa pinana ea 5 ea J8 fatše (ke hore, switjha ea trigger e koetsoe). Sheba Karolo ea 4.6 Ho bulela/tima li-circuitry bakeng sa lintlha tse ling.
Tlhaloso le tlhophiso ea Hardware
Litekanyetso tsa boto li thathamisitsoe ho Lethathamo la 1 'me Setšoantšo sa 2 se bontša boemo ba lihokelo tsa boto.
Lethathamo la 1. Litlhaloso tsa EVLDRIVE101-HPD
| Paramethara | Boleng | |
| Keletso voltage | Lebitso | Ho tloha ho 18 ho isa ho 52 V |
| Sephetho sa hajoale | Tlhōrō | 21.15 A |
| Tsoelang pele (1) | 15 A rms | |
| Matla a hlahisang | Tsoelang pele (1) | 750 W |
Mocheso oa 'nete o tsoelang pele o ka fokotsoa ke mocheso oa tikoloho le ho senyeha ha mocheso.
Lethathamo la 2 le thathamisa li-MCU GPIOs tse 'mapeng ho lihokelo tsa J8.
Letlapa la 2. J8 pinouts
| Sehokedi | Pin | Letshwao | Litlhaloso |
| J8 | 1 | 5 V | 5 V phepelo |
| 2 | 3.3 V | 3.3 V phepelo | |
| 3 | Fatše | ||
| 4 | Fatše | ||
| 5 | Kenya trigger switch | Hokela fatše ho fana ka potoloho ea taolo | |
| 6 | Ha e kopane | ||
| 7 | PA6 | Boikhethelo ba potentiometer input 1 (ADC channel 6) | |
| 8 | PA12 | Sephetho sa hona joale sa ho bapisa moeli |
| Sehokedi | Pin | Letshwao | Litlhaloso |
| J8 | 9 | PB2 | Boikhethelo ba potentiometer input 2 (ADC channel 10) |
| 10 | PB4 | Referense ea hajoale ea moeli | |
| 11 | PB8 | GPIO e bolokiloeng bakeng sa potoloho ea ho boloka e phela | |
| 12 | PB9 | ||
| 13 | PB7 | USART_RX | |
| 14 | PB6 | USART_TX |
Mekhoa ea ts'ebetso
- EVLDRIVE101-HPD e ts'ehetsa FOC le li-algorithms tsa mehato e 6, ka bobeli li-sensor-less le censored.
- Ho latela algorithm, tlhophiso ea lisebelisoa tsa boto e tlameha ho fetoloa joalo ka ha ho bonts'itsoe ho Lethathamo la 3 mme le bonts'itsoe ho Setšoantšo sa 3.
Lethathamo la 3. Sebopeho sa EVLDRIVE101-HPD
| Mokhoa oa ts'ebetso | Hardware e fetoha |
| FOC Li-shunts tse tharo | Kamehla - ha ho na liphetoho tse hlokahalang |
| FOC Single shunt |
|
| 6-STEP Sensor-less Voltagmokhoa oa e |
|
| 6-STEP Hall-sensors Voltagmokhoa oa e | Kamehla - ha ho na liphetoho tse hlokahalang |
| 6-MEHATO ea Hall-sensors Mokhoa oa hajoale |
|
Ho lemoha ha joale
Boto e kenya li-resistors tse tharo tsa shunt ho utloa hore na ha ho na metsi a phallang ka mekhahlelo ea motlakase. Mohanyetsi o mong le o mong o hokahane le ampLifier bakeng sa boemo ba lets'oao pele o fetisetsa boleng bo utliloeng ho ADC. Litekanyetso tsa ho sefa le ntlha ea phaello li ka fetoloa ka lebaka la R59, R64, R69 le C38, C39, C40.
STDRIVE101 e kopanya papiso bakeng sa ho lemoha ha overcurrent (OC).: ho kenella ha eona ho behiloe ho fetola boleng ba R4, R5, R6, le R7 (sheba setšoantšo sa 4) ho latela Eq. (1).
Equation 1
Hokae
Rnet = RR54 = RR64 = RR74
VREF = 0.505V
Boemo ba kamehla bo behiloe ho 25.5 A.
Li-sensor tsa Hall-effect le sehokelo sa encoder
Boto e lumella li-motors tse nang le li-sensor tsa dijithale tsa Hall-effect kapa li-encoder hore li hokahane le boto ka sehokelo J4.
Sehokelo se fana ka:
- Lihanyetsi tsa ho hula (R44, R45, R46) bakeng sa ho kopanya metsi a bulehileng le a kolekeng. Kamehla ho khothaletsoa ho tlosa li-resistators tse hulang haeba ho ka ba le liphetho tsa push-pull (bona Setšoantšo sa 5)
- 5 V phepelo e hlahisoang ke voltage regulator e kopantsweng ka boto
Letlapa la 4. J4 pinout
| Pin | Encoder | Sensor ea phello ea holo |
| 1 | A+ | Holo 1 |
| 2 | B+ | Holo 2 |
| 3 | Z | Holo 3 |
| 4 | Phepelo ea motlakase ea encoder | Phepelo ea motlakase oa sensor |
| 5 | Fatše | Fatše |
BEMF sensing network
Joalokaha ho bonts'itsoe ho Setšoantšo sa 6, boto e kopanya marang-rang a maikutlo a BEMF ho lumella mokhoa oa ho khanna o se nang sensor ka mokhoa oa 6-step algorithm. Mokhahlelo oa voltage VOUT e arotsoe ho latela Eq. (2) pele ADC e fetoha.
Equation 2
Hlokomela:
- Ho eletsoa hore VADC ha e fete VDD ho thibela tšenyo ea GPIO.
- Ka lehlakoreng le leng, mosebelisi o lokela ho hlokomela hore ho kenya tšebetsong tekanyo ea VADC / VOUT e tlase haholo ho feta kamoo ho hlokahalang, lets'oao la BEMF le kanna la ba tlase haholo mme taolo e se matla ka ho lekana. Theko e khothaletsoang ke:
Moeli oa hajoale
- Boto e kopanya moeli oa hajoale ho lumella mokhoa oa ho khanna oa hajoale ka algorithm ea mehato e 6 le li-motors tse nang le li-sensor tsa Hall. Ho hlophisa boto ho single-shunt topology, the amplets'oao la hajoale le bapisoa le referense (PB4) e hlahisoang ke lets'oao la PWM le tlhotliloeng. Sekema se bontšoa Karolong ea 4.5.
- Sebopeho sa hona joale sa moeli ha se fumanehe ka mokhoa oa ho khanna oa 6-step sensor-less.
Ho bulela/tima potoloho
- Phetoho e ka ntle e behiloeng pakeng tsa pin 5 ea J8 le fatše (pin 3 ea J8) e lumella ho hokahanya le ho hakolla potoloho ea taolo ho betri ho fokotsa tšebeliso e khutsitseng ho ea boemong bo tlaase ka ho fetisisa bo khonehang.
- Moralo o ho Setšoantšo sa 8 o bonts'a potoloho ea ho bulela. Ha u le matla, Q1 PMOS e butsoe 'me betri e khaotsoe ho potoloho ea taolo. Ha ho koala switch, heke ea Q1 PMOS e qobelloa ho tlase ho hokahanya betri le potoloho ea taolo.
Boloka-ho phela potoloho
- Hang ha Q1 PMOS e hokela betri ho STM32G071KB, MCU e boloka Q1 PMOS e koetsoe e sebelisa Q2 NMOS. Ebile, e sebetsa joalo ka switch e tsamaisoang ke MCU e bapileng le switch ea kantle ea trigger.
- Ka tsela ena, firmware e nka taolo ea kamano pakeng tsa betri le potoloho ea taolo, e lumellang khoutu hore e etse mokhoa o sireletsehileng oa ho tima, bakeng sa ex.ample, ho pshatla enjene.
- Ho khothaletsoa ho beha GPIO e laolang heke ea Q2 (PB8) qalong ea ho qala ha MCU.
- Ho fumanwa ha boemo ba sehlomathisi sa kantle
- Potoloho e inehetseng e lumella ho lekola boemo ba 'nete ba switch ea kantle.
- GPIO (PB5) ea ho beha leihlo e hokahane le switch ka diode ea D13. Ha feela switch e koetsoe, e qobella GPIO tlase ka D13. Ha e lokolla sesebelisoa, D13 ea tima 'me GPIO e khutlela holimo ka lebaka la mochine oa ho hula.
- Ha MCU e lemoha ho buloa ha sesebelisoa, ho qala ts'ebetso ea ho emisa le ho emisa koloi.
Tšireletso khahlanong le leeme le morao ho tloha matla stage liphetho
- Joalo ka ha ho bonts'itsoe setšoantšong sa schematic sa Karolo ea 6, Setšoantšo sa 9, betri e lula e hokahane le matla a s.tage ha sesebelisoa sa Q1 PMOS se hokela le ho hakolla potoloho ea taolo. Ka tsela ena, voltage ea matla stage outputs (VOUT) e ka ba holimo ho feta control logic supply (VM) e tlolang moeli oa AMR oa heke ea ho khanna potoloho: VOUT, max = VM + 2 V.
- Sesebelisoa se sirelelitsoe khahlanong le boemo bona ka li-diode pakeng tsa sehlahisoa se seng le se seng le phepelo ea VM (D1, D2, D3, le D4).
Bili ea thepa
Letlapa la 5. EVLDRIVE101-HPD bili ea thepa
| Ntho | Qty | Ref. | Karolo/boleng | Tlhaloso | Tlhahiso. | Odara khoutu |
| 1 | 5 | CI,C2,C38,C39 ,C40 | NM | SMT ceramic capacitor | ||
| 2 | 7 | C3,C19,C21,C 23,C28,C34,C4 1 | 100NF | SMT ceramic capacitor | ||
| 3 | 5 | C4,C26, C35,C36,C37 | 1n | SMT ceramic capacitor | ||
| 4 | 2 | C5,C27 | 10n | SMT ceramic capacitor | ||
| 5 | 2 | C6,C17 | 1uF | SMT ceramic capacitor | ||
| 6 | 1 | C7 | 100n | SMT ceramic capacitor | ||
| 7 | 1 | C8 | 220NF | SMT ceramic capacitor | ||
| 8 | 1 | C9 | 4.7uF | SMT ceramic capacitor | ||
| 9 | 5 | C10,C11,C12,C 20,C22 | 1uF | SMT ceramic capacitor | ||
| 10 | 3 | C13,C14,C15 | NM | SMT ceramic capacitor | ||
| 11 | 1 | C16 | 470NF | SMT ceramic capacitor | ||
| 12 | 1 | C18 | 2.2uF | SMT ceramic capacitor | ||
| 13 | 1 | C24 | 4.7 u | SMT ceramic capacitor | ||
| 14 | 1 | C25 | 220n | SMT ceramic capacitor | ||
| 15 | 3 | C29,C30,C31 | 2.2NF | SMT ceramic capacitor | ||
| 16 | 2 | C32,C33 | 220 u | Ka lesoba aluminium khetha. capacitor | Panasonic | ECA2AM221 |
| 17 | 6 | D1,D2,D3,D4,D 12,D13 | 1N4148WS | Letšoao le lenyenyane le fetolang diode ka potlako | Vishay | 1N4148WS-E3-08 / -E3-18 kapa e lekanang |
| 18 | 6 | D5,D6,D7,D8,D 9,D10 | BAT30 | Letšoao le lenyenyane la Schottky diode | STMicroelectronics | Setšoantšo sa BAT30KFILM |
| 19 | 1 | D11 | BZT585B12T | SMD precision Zener diode | Diodes Incorporated | BZT585B12T kapa mofuta o tšoanang |
| 20 | 5 | J1,J2,J3,J5,J6 | pad200hole118_11 | |||
| 21 | 1 | J4 | MOHATA 1×5 | Sehokelo se hlobolisa lipalo tse 5, 2.54 mm | ||
| 22 | 1 | J7 | STC14 | Sehlooho sa sehokelo SMD 14POS 1.27 mm | Samtec | FTSH-107-01-L-DV-KA |
| Ntho | Qty | Ref. | Karolo/boleng | Tlhaloso | Manufact. | Odara khoutu |
| 23 | 1 | J8 | MOHATA 2×7 | Mohatla sehokelo 7 × 2 lipalo, 1.27 limilimithara | NP | |
| 24 | 1 | L1 | 47uH | Inductor, e sirelelitsoeng, 47 uH, 580 mA, SMD | Wurth Elektronik | 744031470 |
| 25 | 2 | NTC1, NTC2 | 10k | Thermistor ea NTC | Vishay | Setšoantšo sa NTCS0603E3103FMT |
| 26 | 1 | Q1 | STN3P6F6 | P-channel -60 V,
0.13 Ohm, -3 A StripFET F6 matla MOSFET |
STMicroelectronics Diodes Incorporated | STNP6F6 DMP6023LE-13 |
| 27 | 1 | Q2 | 2N7002 | N-channel 60 V, 7.5 Ohm MOSFET | Litlhaloso tsa likarolo tsa Diodes Inc. | 2N7002 kapa e lekanang |
| 28 | 2 | R1,R43 | 39k | Mohanyetsi oa SMT | ||
| 29 | 4 | R2,R36,R37,R 38 | 100k | Mohanyetsi oa SMT | ||
| 30 | 1 | R3 | 22k | Mohanyetsi oa SMT | ||
| 31 | 1 | R4 | 7.32k | Mohanyetsi oa SMT | ||
| 32 | 3 | R5,R6,R7 | 3.3k | Mohanyetsi oa SMT | ||
| 33 | 5 | R8,R59,R64,R 69,R71 | 10k | Mohanyetsi oa SMT | ||
| 34 | 6 | R9,R11,R13,R1 5,R17,R19 | 100 | Mohanyetsi oa SMT | ||
| 35 | 6 | R10,R12,R14, R16,R18,R20 | 39 | Mohanyetsi oa SMT | ||
| 36 | 3 | R21,R22,R23 | 0.01 | Mohanyetsi oa SMT | Bourns | Setšoantšo sa CRA2512-FZ-R010ELF |
| 37 | 3 | R24,R27,R30 | 68k | Mohanyetsi oa SMT | ||
| 38 | 3 | R25,R28,R31 | 4.3k | Mohanyetsi oa SMT | ||
| 39 | 3 | R26,R29,R32 | NM | Mohanyetsi oa SMT | ||
| 4 | 3 | R33,R34,R35 | 10 R | Mohanyetsi oa SMT | ||
| 41 | 2 | R39,R40 | 150k | Mohanyetsi oa SMT | ||
| 42 | 1 | R41 | 30k | Mohanyetsi oa SMT | ||
| 43 | 1 | R42 | 100k | Mohanyetsi oa SMT | ||
| 44 | 6 | R44,R45,R46, R47,R48,R49 | 1k | Mohanyetsi oa SMT | ||
| 45 | 2 | R51,R53 | 910 | Mohanyetsi oa SMT | ||
| 46 | 1 | R54 | 91k | Mohanyetsi oa SMT | ||
| 47 | 1 | R55 | 5.6k | Mohanyetsi oa SMT | ||
| 48 | 3 | R56,R61,R66 | 20k | Mohanyetsi oa SMT | ||
| 49 | 6 | R57,R58,R62, R63,R67,R68 | 1.4k | Mohanyetsi oa SMT | ||
| 50 | 3 | R60,R65,R70 | 0R | Mohanyetsi oa SMT | ||
| 51 | 2 | SB1,SB2 | SOLDER_JUMPER1x3 | Jumper | ||
| 52 | 6 | TP1,TP2,TP3,T P4,TP5,TP6 | TP-Pad diam1_5mm | Ntlha ea teko - Pad 1.5 mm bophara |
| Ntho | Qty | Ref. | Karolo/boleng | Tlhaloso | Manufact. | Odara khoutu |
| 53 | 1 | U1 |
Setšoantšo sa STM32G071KBT3 |
Microcontroller Arm Cortex-M0+ MCU, 128 KB
flash, 36 KB RAM, 64 MHz CPU |
STMicroelectronics | Setšoantšo sa STM32G071KBT3 |
| 54 | 1 | U2 | STDRIVE101 | Mokhanni oa heke oa mekhahlelo e meraro | STMicroelectronics | STDRIVE101 |
| 55 | 6 | U3,U4,U5,U6,U 7,U8 | STL220N6F7 | N-channel 60 V, 1.2 mO typ., 120 A STripFET F7 matla MOSFET | STMicroelectronics | STL220N6F7 |
| 56 | 1 | U9 | L7983PU50R | 60V 300mA
synchronous step-down switching regulator |
STMicroelectronics | L7983PU50R |
| 57 | 1 | U10 | Tlhaloso: LDL112PU33R | 1.2 LDO ea hajoale e khutsitseng | STMicroelectronics | Tlhaloso: LDL112PU33R |
| 58 | 4 | U11,U12,U13,U 14 | Tlhaloso: TSV991ILT | Wide-bandwidth (20 MHz) seporo ho isa seporong se kenang/se hlahisoang ke 5 V CMOS op amp | STMicroelectronics | Tlhaloso: TSV991ILT |
| 59 | 1 | Y1 | NM | Crystal 32.768 kHz 12.5 PF SMD | NDK | NX3215SA-32.768K- STD-MUA-8 |
| 60 | 1 | Jumper 2 lipalo 1.27 limilimithara | Wurth Elektromik | 622002115121 |
Setšoantšo sa moralo
Setšoantšo sa 11. EVLDRIVE101-HPD schematic: phetoho ea phepelo ea matla
Setšoantšo sa 12. EVLDRIVE101-HPD schematic: lisebelisoa le lihlahisoa
Nalane ea ntlafatso
Lethathamo la 6. Histori ea ntlafatso ea litokomane
| Letsatsi | Phetolelo | Liphetoho |
| 11-Dec-2023 | 1 | Tokollo ea pele. |
TSEBISO EA BOHLOKOA – BALA KA HLOKO
- STMicroelectronics NV le li-subsidiary tsa eona ("ST") li na le tokelo ea ho etsa liphetoho, litokiso, lintlafatso, lintlafatso, le lintlafatso ho lihlahisoa tsa ST le/kapa tokomaneng ena ka nako efe kapa efe ntle le tsebiso. Bareki ba lokela ho fumana lintlha tsa morao-rao tse amanang le lihlahisoa tsa ST pele ba fana ka litaelo. Lihlahisoa tsa ST li rekisoa ho latela lipehelo le maemo a thekiso ea ST ka nako ea tumello ea taelo.
- Bareki ke bona feela ba ikarabellang bakeng sa khetho, khetho, le tšebeliso ea lihlahisoa tsa ST mme ST ha e nke e le molato bakeng sa thuso ea kopo kapa moralo oa lihlahisoa tsa bareki.
- Ha ho laesense, e hlalositsoeng kapa e boletsoeng, ea tokelo efe kapa efe ea thepa ea mahlale e fanoeng ke ST mona.
- Ho rekisoa ha lihlahisoa tsa ST ka litokisetso tse fapaneng le tlhahisoleseding e boletsoeng mona ho tla hlakola waranti leha e le efe e fanoeng ke ST bakeng sa sehlahisoa se joalo.
- ST le logo ea ST ke matšoao a khoebo a ST. Bakeng sa lintlha tse ling mabapi le matšoao a khoebo a ST, sheba ho www.st.com/trademarks. Mabitso a mang kaofela a lihlahisoa kapa litšebeletso ke thepa ea beng ba tsona.
- Lintlha tse tokomaneng ena li nkela sebaka le ho nkela tlhahisoleseding e neng e fanoe pele liphetolelong tsa pele tsa tokomane ena.
- © 2023 STMicroelectronics – Litokelo tsohle li sirelelitsoe
UM3257 - Tšen 1
Litokomane / Lisebelisoa
 |
STMicroelectronics EVLDRIVE101-HPD Reference Design Board [pdf] Bukana ea Mosebelisi EVLDRIVE101-HPD Boto ea Moralo oa Litšupiso, EVLDRIVE101-HPD, Boto ea Moralo oa Litšupiso, Boto ea Moralo, Boto |
