MG ZS V2
About the MG ZS V2 PCB
MG ZS V2 is an open source ESP8266 PCB design by damienmaguire, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 180 × 120 mm, with 161 components from 111 distinct parts.
Its main chip is the SN65HVD230, from the ESP8266 family. Other key parts include the 74LVCH1T45GW,125, 74HCT245D,653, XL1509-5.0E1, TDA2822D013TR and TPS55340RTER. By type, the board carries 60 capacitors, 60 resistors, 13 ICs, 11 diodes, 8 connectors and 3 inductors.
It belongs with the sensors designs in this gallery.
From the project
Reverse engineering of the drive motor and inverter used in MG Electric Vehicles
The drive unit here is from a 2022 MG ZS EV Right hand drive.
First look : https://vimeo.com/929258328
One current sensor per phase. 5V supply, 2.5V at zero current anlog output.
Isolated gate power supplies provided from a common 30VDC primary supply , a pair of 5V at 132KHz and 42% duty signals to a mosfet driver. Transformers are Epcos A213721495C.
HV Voltage sensing is achived using the external ADC channel of the Low3 gate driver and transmitted via spi.
Main components on the MG ZS V2
MG ZS V2 bill of materials (BOM)
161 components, 111 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74LVCH1T45GW,125 | 74LVCH1T45GW125 | IC1 |
| 2 | 74HCT245D,653 | SOIC127P1032X265-20N | IC2, IC3 |
| 1 | XL1509-5.0E1 | SOIC127P600X175-8N | IC4 |
| 1 | TDA2822D013TR | SOIC127P600X175-8N | IC5 |
| 1 | TPS55340RTER | QFN50P300X300X80-17N-D | IC6 |
| 1 | LM2901 | SOIC-14_3.9x8.7mm_P1.27mm | U1 |
| 1 | AMS1117-3.3 74LVC2G34 | SOT-23-6 | U2 |
| 1 | STM32F103RBT6 74LVC1G10 | SOT-23-6 | U3 |
| 1 | SN65HVD230 WeMos_D1_mini | WEMOS_D1_mini_light | U4 |
| 1 | 74LVC2G34 AMS1117-3.3 | SOT-223-3_TabPin2 | U5 |
| 1 | 74LVC1G10 STM32F103VCTx | LQFP-100_14x14mm_P0.5mm | U6 |
| 1 | 74LVC1G08 SN65HVD230 | SOIC-8_3.9x4.9mm_P1.27mm | U7 |
| 1 | SL2301 | SOT-23 | Q1 |
| 1 | MMBT3904 | SOT-23 | Q2 |
| 1 | X50328MSB2GI | Crystal_SMD_5032-2Pin_5.0x3.2mm | X1 |
| 1 | M032.54MM | PinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | 063210 | 063210 | J2 |
| 1 | CAN MON | PinHeader_1x03_P2.54mm_Vertical | J3 |
| 1 | 500762-1001 | 5007621001 | J4 |
| 1 | Conn_01x04_Pin | PinHeader_1x04_P2.54mm_Vertical | J5 |
Show 91 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | Conn_01x06_Pin | PinHeader_1x06_P2.54mm_Vertical | J6, J8 |
| 1 | Conn_01x03_Pin | PinHeader_1x03_P2.54mm_Vertical | J7 |
| 1 | JFC2410-0500TS | FUSC6126X280N | F1 |
| 1 | 2051-09-SM-RPLF | DIOM5336X244N | GD1 |
| 1 | SolderJumper_2_Open | SolderJumper-2_P1.3mm_Open_Pad1.0x1.5mm | JP1 |
| 1 | INTL LED | LED_0805_2012Metric | D1 |
| 1 | SS54B INTH LED | LED_0805_2012Metric | D2 |
| 1 | SS54B LED | LED_0805_2012Metric | D3 |
| 1 | SMAJ18CA | DIONM5127X229N | D4 |
| 4 | SS54B | DIOM5336X244N | D5, D6, D8, D9 |
| 1 | SS54B 3V3 LED | LED_0805_2012Metric | D7 |
| 1 | SMAJ7.0A | DIOM5026X229N | D10 |
| 1 | ESDCAN01-2BLY | SOT95P255X150-3N | D11 |
| 1 | 10UH 10uH | L_Sunlord_SWPA4030S | L1 |
| 1 | 68UH 68uH | L_12x12mm_H8mm | L2 |
| 1 | 10UH 10uH | L_0805_2012Metric | L3 |
| 2 | 1uF | C_0805_2012Metric | C1, C5 |
| 9 | 1UF 1uF | C_0805_2012Metric | C2, C19, C23, C30, C52, C55, C56, C58 +1 |
| 5 | 22NF 1uF | C_0805_2012Metric | C3, C4, C6, C7, C13 |
| 3 | 10UF 1uF | C_0805_2012Metric | C8, C18, C20 |
| 2 | 10UF 10uF | C_0805_2012Metric | C9, C11 |
| 1 | 1NF 10uF | C_0805_2012Metric | C10 |
| 2 | TAJB107K006RNJV 100uF 6.3V | CAPPM3528X210N | C12, C22 |
| 1 | 10UF 470uF 25V | CP_Elec_10x10 | C14 |
| 2 | 1NF 1uF | C_0805_2012Metric | C15, C51 |
| 1 | 0.1UF 100uF 6.3V | CP_EIA-3528-15_AVX-H | C16 |
| 2 | 22nF | C_0805_2012Metric | C17, C24 |
| 4 | 1UF 22nF | C_0805_2012Metric | C21, C25, C40, C42 |
| 1 | 1UF 22pF | C_0805_2012Metric | C26 |
| 1 | 10UF 22pF | C_0805_2012Metric | C27 |
| 2 | 1UF 10uF | C_1206_3216Metric | C28, C44 |
| 1 | 1NF 1nF | C_0805_2012Metric | C29 |
| 3 | 1UF 100nF | C_0805_2012Metric | C31, C53, C60 |
| 1 | 0.047uF | C_0805_2012Metric | C32 |
| 2 | 4.7UF 1nF | C_0805_2012Metric | C33, C37 |
| 1 | 100nF | C_0805_2012Metric | C34 |
| 1 | 22PF 1uF | C_0805_2012Metric | C35 |
| 1 | 22PF 10uF | C_1206_3216Metric | C36 |
| 1 | 0.1UF 100pF | C_0805_2012Metric | C38 |
| 1 | 1UF 100uF 6.3V | CP_EIA-3528-15_AVX-H | C39 |
| 1 | 1UF 10uF | C_0805_2012Metric | C41 |
| 1 | 1NF 100uF 6.3V | CP_EIA-3528-15_AVX-H | C43 |
| 1 | 1UF 4.7uF | C_1206_3216Metric | C45 |
| 1 | 1UF 1nF | C_0805_2012Metric | C46 |
| 1 | 4.7UF 4.7uF | C_1206_3216Metric | C47 |
| 1 | 0.047UF 4.7uF | C_1206_3216Metric | C48 |
| 1 | 0.1UF 1uF | C_0805_2012Metric | C49 |
| 2 | 100PF 1uF | C_0805_2012Metric | C50, C54 |
| 1 | TAJB107K006RNJV 1uF | C_0805_2012Metric | C57 |
| 2 | 4K7 10K | R_0805_2012Metric | R1, R35 |
| 2 | 10K | R_0805_2012Metric | R2, R13 |
| 3 | 220R 4K7 | R_0805_2012Metric | R3, R4, R9 |
| 3 | 4K7 | R_0805_2012Metric | R5, R49, R55 |
| 3 | 3K3 1K | R_0805_2012Metric | R6, R7, R43 |
| 1 | 3K3 4K7 | R_0805_2012Metric | R8 |
| 1 | 220R 0R | R_0805_2012Metric | R10 |
| 1 | 10K 0R | R_0805_2012Metric | R11 |
| 1 | 330R | R_0805_2012Metric | R12 |
| 1 | 10K 220R | R_0805_2012Metric | R14 |
| 1 | 220R | R_0805_2012Metric | R15 |
| 1 | 10K 3K3 | R_0805_2012Metric | R16 |
| 1 | 100K 680R | R_0805_2012Metric | R17 |
| 1 | 330R 3K3 | R_0805_2012Metric | R18 |
| 1 | 6K2 220R | R_0805_2012Metric | R19 |
| 1 | 3K6 220R | R_0805_2012Metric | R20 |
| 1 | 6K2 | R_0805_2012Metric | R21 |
| 3 | 10K | R_0805_2012Metric | R22, R32, R39 |
| 1 | 680R 3K6 | R_0805_2012Metric | R23 |
| 5 | 10K 1K | R_0805_2012Metric | R24, R34, R45, R53, R57 |
| 1 | 6K2 1K | R_0805_2012Metric | R25 |
| 1 | 3K6 4K7 | R_0805_2012Metric | R26 |
| 1 | 78.7K 10K | R_0805_2012Metric | R27 |
| 1 | 4K7 6K2 | R_0805_2012Metric | R28 |
| 1 | 330R | R_0805_2012Metric | R29 |
| 1 | 3K6 | R_0805_2012Metric | R30 |
| 1 | 78.7K | R_0805_2012Metric | R31 |
| 1 | 237K 10K | R_0805_2012Metric | R33 |
| 2 | 4K7 1K | R_0805_2012Metric | R36, R48 |
| 3 | 1K5 10K | R_0805_2012Metric | R37, R38, R41 |
| 1 | 237K | R_0805_2012Metric | R40 |
| 1 | 100K 0R | R_0805_2012Metric | R42 |
| 1 | 120R 10K | R_0805_2012Metric | R44 |
| 1 | 47K | R_0805_2012Metric | R46 |
| 1 | 5K1 | R_0805_2012Metric | R47 |
| 1 | 1K5 4K7 | R_0805_2012Metric | R50 |
| 1 | 1K5 | R_0805_2012Metric | R51 |
| 1 | 10K 1K5 | R_0805_2012Metric | R52 |
| 1 | 10K 120R | R_0805_2012Metric | R54 |
| 1 | 10K 4K7 | R_0805_2012Metric | R56 |
| 2 | 1K5 | R_0805_2012Metric | R58, R59 |
| 1 | 1K | R_0805_2012Metric | R60 |
MG ZS V2 design files
The KiCad project lives in the damienmaguire/MG-EV-Inverter repository on GitHub; these links point at the commit this page was built from.
MG ZS V2: common questions
What microcontroller does the MG ZS V2 use?
The MG ZS V2 is built around the SN65HVD230, from the ESP8266 family.
How big is the MG ZS V2 PCB?
The MG ZS V2 measures 180 × 120 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the MG ZS V2?
161 components, from 111 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the MG ZS V2 design files?
From the damienmaguire/MG-EV-Inverter repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the MG ZS V2 design in my own project?
Yes, under the terms of its GPL-3.0 license, which damienmaguire chose for the repository.
Can I test firmware for the MG ZS V2 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP8266 firmware against it before you order a PCB.
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