# EV Charge Controller Test Board

## Description

Review\-stage programmable single\-phase AC EV charging controller and test board schematic\. Not production\-ready or safety\-certified; HV, relay, creepage/clearance, thermal, EMC, protection, and manufacturing decisions require review\.

## Project Details

- **Owner:** hanlinzhen
- **Created:** 7/18/2026
- **Last Updated:** 7/18/2026
- **Visibility:** Public
- **Stars:** 1

## Key Components

### D\_24V\_REV — [SS34](https://flux.ai/collinsemasi/ss34~qf.md)

- Datasheet URL: https://mm\.digikey\.com/Volume0/opasdata/d220001/medias/docus/5335/SMASS340000S34\.pdf
- Part Type: Diode
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: NextGen Components Inc
- Functional Group: POWER\_MCU\_COMMUNICATION
- Manufacturer Part Number: SS34
- Role Details: 24V input reverse\-polarity protection placeholder; voltage drop/thermal review required\.
- Role: Reverse Polarity Protection

**Pins:**
- A [pin 2]
- C [pin 1]

### D\_24V\_TVS — [SMAJ33A](https://flux.ai/adrian95/smaj33a~29z.md)

- Role Details: 24V input TVS placeholder; surge/EMC coordination REVIEW REQUIRED\.
- Functional Group: POWER\_MCU\_COMMUNICATION
- Manufacturer Part Number: SMAJ33A
- Datasheet URL: https://www\.bourns\.com/docs/Product\-Datasheets/SMAJ\.pdf
- Role: Protection
- Part Type: Diode
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Bourns Inc\.

**Pins:**
- A [pin 2]
- K [pin 1]

### D1 — [SMAJ33A](https://flux.ai/adrian95/smaj33a~29z.md)

- Manufacturer Part Number: SMAJ33A
- Datasheet URL: https://www\.bourns\.com/docs/Product\-Datasheets/SMAJ\.pdf
- Part Type: Diode
- Role: Flyback / Freewheeling
- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: K1\_CONTACTOR\_DRIVER\_AND\_AUX\_FEEDBACK
- Role Details: SMAJ33A K1 coil flyback TVS; clamp energy and coil release timing review required\.
- Manufacturer Name: Bourns Inc\.

**Pins:**
- A [pin 2]
- K [pin 1]

### D2 — [SMAJ33A](https://flux.ai/adrian95/smaj33a~29z.md)

- Manufacturer Part Number: SMAJ33A
- Datasheet URL: https://www\.bourns\.com/docs/Product\-Datasheets/SMAJ\.pdf
- Role: Flyback / Freewheeling
- Part Type: Diode
- Role Details: SMAJ33A K\_DIS coil flyback TVS; clamp energy and release timing review required\.
- Functional Group: CHARGE\_AND\_DISCHARGE\_CONTACTOR\_CONTROL
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Bourns Inc\.

**Pins:**
- A [pin 2]
- K [pin 1]

### F\_24V\_IN — [MF\-R050\-2](https://flux.ai/adrian95/mf-r050-2~y77.md)

- Role Details: 24V input resettable fuse placeholder\. Current rating and coordination REVIEW REQUIRED\.
- Role: Protection
- Manufacturer Name: Bourns Inc\.
- Datasheet URL: https://www\.bourns\.com/docs/product\-datasheets/mf\-r\.pdf
- Functional Group: POWER\_MCU\_COMMUNICATION
- Manufacturer Part Number: MF\-R050\-2
- Part Type: Fuse
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J\_AC\_L\_IN — [7461059](https://flux.ai/adrian95/7461059~9fv.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Wurth Elektronik
- Manufacturer Part Number: 7461059
- Role: Switching
- Package or Case Code: 7461059
- Part Type: Connector
- Role Details: M6 AC terminal placeholder for L\_IN\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Functional Group: AC\_MAIN\_PATH\_AND\_TERMINALS
- Datasheet URL: https://www\.we\-online\.de/katalog/datasheet/7461059\.pdf

**Pins:**
- 1 [pin 1]
- 10 [pin 10]
- 11 [pin 11]
- 12 [pin 12]
- 13 [pin 13]
- 14 [pin 14]
- 15 [pin 15]
- 16 [pin 16]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
- 9 [pin 9]

### J\_AC\_N\_IN — [7461059](https://flux.ai/adrian95/7461059~9fv.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Wurth Elektronik
- Manufacturer Part Number: 7461059
- Package or Case Code: 7461059
- Part Type: Connector
- Role: Switching
- Functional Group: AC\_MAIN\_PATH\_AND\_TERMINALS
- Role Details: M6 AC terminal placeholder for N\_IN\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Datasheet URL: https://www\.we\-online\.de/katalog/datasheet/7461059\.pdf

**Pins:**
- 1 [pin 1]
- 10 [pin 10]
- 11 [pin 11]
- 12 [pin 12]
- 13 [pin 13]
- 14 [pin 14]
- 15 [pin 15]
- 16 [pin 16]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
- 9 [pin 9]

### J\_CTRL — [Connector 01x08 0\.100](https://flux.ai/vasy_skral/connector-01x08-0100~q3l.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: Control/RS485/service connector placeholder; exact connector TBD\.
- Part Type: Connector
- Functional Group: POWER\_24V\_AND\_CONTROL
- Role: Switching

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]
- Pin\_5 [pin 5]
- Pin\_6 [pin 6]
- Pin\_7 [pin 7]
- Pin\_8 [pin 8]

### J\_DEBUG — [Connector 01x08 0\.100](https://flux.ai/vasy_skral/connector-01x08-0100~q3l.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Connector
- Functional Group: POWER\_24V\_AND\_CONTROL
- Role: Switching
- Role Details: UART debug header placeholder: TX, RX, 3V3, GND\.

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]
- Pin\_5 [pin 5]
- Pin\_6 [pin 6]
- Pin\_7 [pin 7]
- Pin\_8 [pin 8]

### J\_ETH — [HR911105A](https://flux.ai/jecstronic/hr911105a~ae9.md)

- Manufacturer Part Number: HR911105A
- Functional Group: POWER\_24V\_AND\_CONTROL
- Part Type: Connector
- Role Details: RJ45/magnetics placeholder\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Role: Protection
- Manufacturer Name: HANRUN
- Datasheet URL: https://datasheet\.lcsc\.com/lcsc/1811141815\_HANRUN\-Zhongshan\-HanRun\-Elec\-HR911105A\_C12074\.pdf
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- \~ [pin 12]
- \~ [pin 3]
- \~ [pin 10]
- \~ [pin 2]
- \~ [pin 5]
- \~ [pin 8]
- \~ [pin 9]
- \~ [pin 1]
- \~ [pin 6]
- \~ [pin 4]
- \~ [pin 11]
- SHIELD [pin 15]
- SHIELD [pin 16]

### J\_L\_DIS\_OUT — [7461059](https://flux.ai/adrian95/7461059~9fv.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: TOP\_LEVEL\_INTERFACES, AC\_MAIN\_PATH\_AND\_BIDIRECTIONAL\_MEASUREMENT
- Manufacturer Name: Wurth Elektronik
- Role: Switching
- Manufacturer Part Number: 7461059
- Role Details: M6 placeholder for L\_DIS\_OUT\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Package or Case Code: 7461059
- Part Type: Connector
- Datasheet URL: https://www\.we\-online\.de/katalog/datasheet/7461059\.pdf

**Pins:**
- 1 [pin 1]
- 10 [pin 10]
- 11 [pin 11]
- 12 [pin 12]
- 13 [pin 13]
- 14 [pin 14]
- 15 [pin 15]
- 16 [pin 16]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
- 9 [pin 9]

### J\_L\_VEH — [7461059](https://flux.ai/adrian95/7461059~9fv.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Wurth Elektronik
- Manufacturer Part Number: 7461059
- Role: Switching
- Package or Case Code: 7461059
- Part Type: Connector
- Role Details: Vehicle line terminal/bus L\_VEH after K\_CHG and before K\_DIS; M6 placeholder VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Functional Group: TOP\_LEVEL\_INTERFACES, AC\_MAIN\_PATH\_AND\_BIDIRECTIONAL\_MEASUREMENT
- Datasheet URL: https://www\.we\-online\.de/katalog/datasheet/7461059\.pdf

**Pins:**
- 1 [pin 1]
- 10 [pin 10]
- 11 [pin 11]
- 12 [pin 12]
- 13 [pin 13]
- 14 [pin 14]
- 15 [pin 15]
- 16 [pin 16]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
- 9 [pin 9]

### J\_N\_DIS\_OUT — [7461059](https://flux.ai/adrian95/7461059~9fv.md)

- Functional Group: TOP\_LEVEL\_INTERFACES, AC\_MAIN\_PATH\_AND\_BIDIRECTIONAL\_MEASUREMENT
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Wurth Elektronik
- Manufacturer Part Number: 7461059
- Role Details: M6 placeholder for N\_DIS\_OUT\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Package or Case Code: 7461059
- Part Type: Connector
- Datasheet URL: https://www\.we\-online\.de/katalog/datasheet/7461059\.pdf
- Role: Switching

**Pins:**
- 1 [pin 1]
- 10 [pin 10]
- 11 [pin 11]
- 12 [pin 12]
- 13 [pin 13]
- 14 [pin 14]
- 15 [pin 15]
- 16 [pin 16]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
- 9 [pin 9]

### J\_N\_VEH — [7461059](https://flux.ai/adrian95/7461059~9fv.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Wurth Elektronik
- Functional Group: TOP\_LEVEL\_INTERFACES, AC\_MAIN\_PATH\_AND\_BIDIRECTIONAL\_MEASUREMENT
- Manufacturer Part Number: 7461059
- Role: Switching
- Package or Case Code: 7461059
- Part Type: Connector
- Role Details: Vehicle neutral terminal/bus N\_VEH after K\_CHG and before K\_DIS; M6 placeholder VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Datasheet URL: https://www\.we\-online\.de/katalog/datasheet/7461059\.pdf

**Pins:**
- 1 [pin 1]
- 10 [pin 10]
- 11 [pin 11]
- 12 [pin 12]
- 13 [pin 13]
- 14 [pin 14]
- 15 [pin 15]
- 16 [pin 16]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
- 9 [pin 9]

### J\_PE\_DIS\_OUT — [7461059](https://flux.ai/adrian95/7461059~9fv.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Wurth Elektronik
- Manufacturer Part Number: 7461059
- Role: Protection
- Package or Case Code: 7461059
- Part Type: Connector
- Functional Group: TOP\_LEVEL\_INTERFACES, AC\_MAIN\_PATH\_AND\_BIDIRECTIONAL\_MEASUREMENT
- Datasheet URL: https://www\.we\-online\.de/katalog/datasheet/7461059\.pdf
- Role Details: M6 placeholder for PE\_DIS\_OUT\. Permanently continuous with PE\_IN and PE\_OUT; PE is never switched\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.

**Pins:**
- 1 [pin 1]
- 10 [pin 10]
- 11 [pin 11]
- 12 [pin 12]
- 13 [pin 13]
- 14 [pin 14]
- 15 [pin 15]
- 16 [pin 16]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
- 9 [pin 9]

### J\_PE\_IN — [7461059](https://flux.ai/adrian95/7461059~9fv.md)

- Role: Protection
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Wurth Elektronik
- Role Details: M6 PE terminal placeholder for PE\_IN\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Manufacturer Part Number: 7461059
- Package or Case Code: 7461059
- Functional Group: AC\_MAIN\_PATH\_AND\_TERMINALS
- Part Type: Connector
- Datasheet URL: https://www\.we\-online\.de/katalog/datasheet/7461059\.pdf

**Pins:**
- 1 [pin 1]
- 10 [pin 10]
- 11 [pin 11]
- 12 [pin 12]
- 13 [pin 13]
- 14 [pin 14]
- 15 [pin 15]
- 16 [pin 16]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
- 9 [pin 9]

### J\_PE\_OUT — [7461059](https://flux.ai/adrian95/7461059~9fv.md)

- Role Details: M6 PE terminal placeholder for PE\_OUT/vehicle shield\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Wurth Elektronik
- Manufacturer Part Number: 7461059
- Role: Protection
- Package or Case Code: 7461059
- Part Type: Connector
- Datasheet URL: https://www\.we\-online\.de/katalog/datasheet/7461059\.pdf
- Functional Group: AC\_MAIN\_PATH\_AND\_TERMINALS

**Pins:**
- 1 [pin 1]
- 10 [pin 10]
- 11 [pin 11]
- 12 [pin 12]
- 13 [pin 13]
- 14 [pin 14]
- 15 [pin 15]
- 16 [pin 16]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
- 9 [pin 9]

### J\_SWD — [Connector 01x08 0\.100](https://flux.ai/vasy_skral/connector-01x08-0100~q3l.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: POWER\_24V\_AND\_CONTROL
- Part Type: Connector
- Role Details: SWD header placeholder: SWDIO, SWCLK, NRST, 3V3, GND, optional SWO/UART\.
- Role: Switching

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]
- Pin\_5 [pin 5]
- Pin\_6 [pin 6]
- Pin\_7 [pin 7]
- Pin\_8 [pin 8]

### J\_VEH — [Connector 01x08 0\.100](https://flux.ai/vasy_skral/connector-01x08-0100~q3l.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: TOP\_LEVEL\_INTERFACES
- Role Details: Vehicle\-side connector placeholder for corrected three\-terminal architecture\. Pin\_1=CP\_OUT active CP waveform terminal; Pin\_2=CC\_PP\_OUT passive CC/PP resistance terminal with silkscreen "CC / PP"; Pin\_3=PE\_OUT/PE/SHIELD\. Never connect CP generator to CC\_PP\_OUT and never connect RC/R4/discharge resistors to CP\_OUT\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Part Type: Connector
- Role: Switching

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]
- Pin\_5 [pin 5]
- Pin\_6 [pin 6]
- Pin\_7 [pin 7]
- Pin\_8 [pin 8]

### K\_CHG — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Role: Switching
- Manufacturer Part Number: HF170F/24\-2H1DTF PLACEHOLDER
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: K\_CHG charge contactor candidate HF170F/24\-2H1DTF\. Two\-pole L/N charge path; must never close simultaneously with K\_DIS\. Pinout/footprint VERIFY AGAINST SUPPLIER DRAWING OR SAMPLE\.
- Functional Group: CHARGE\_AND\_DISCHARGE\_CONTACTOR\_CONTROL
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K\_DIS — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Functional Group: CHARGE\_AND\_DISCHARGE\_CONTACTOR\_CONTROL
- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Role: Switching
- Manufacturer Part Number: DISCHARGE CONTACTOR PLACEHOLDER
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: K\_DIS independent two\-pole L/N discharge\-output contactor placeholder\. Must never close simultaneously with K\_CHG\. Relay pinout and footprint VERIFY AGAINST SUPPLIER DRAWING OR SAMPLE\.
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K\_DIS\_EU — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Role Details: Dedicated NO relay for R\_DIS\_EU discharge\-identification branch\. Mutually exclusive with all RC/R4/discharge branches; firmware/hardware interlock must enforce break\-before\-make\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Functional Group: CC\_RC\_R4\_S3\_EMULATION
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay
- Role: Switching

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K\_DIS\_GB — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Role: Switching
- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: CC\_RC\_R4\_S3\_EMULATION
- Role Details: Dedicated NO relay for R\_DIS\_GB discharge\-identification branch\. Mutually exclusive with all RC/R4/discharge branches; firmware/hardware interlock must enforce break\-before\-make\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K\_DIS\_US — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Role Details: Dedicated NO relay for R\_DIS\_US reserve branch\. Vehicle\-specific, DNP, REVIEW REQUIRED\. No universal US discharge resistance is claimed\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Role: Switching
- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: CC\_RC\_R4\_S3\_EMULATION
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K\_RC\_ENABLE — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Role Details: K\_RC\_ENABLE NO contact: selected normal RC/R4 route output RC\_OUT to PILOT\_OUT\. Must be mutually exclusive with K\_DIS\_GB/K\_DIS\_EU/K\_DIS\_US; all routes released leaves PILOT\_OUT open except CP mode source when explicitly enabled\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: Switching
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay
- Functional Group: CC\_RC\_R4\_S3\_EMULATION

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K\_S3\_BYPASS — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Functional Group: CC\_RC\_R4\_S3\_EMULATION
- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Role: Switching
- Role Details: S3 bypass NO contact directly in parallel with selected R4: PE\_OUT to R4\_RC\_NODE\. Closing bypasses R4 while RC remains selectable\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K10 — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Role: Switching
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: RC selection NO relay placeholder for 10A \-3% path\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Functional Group: CC\_RC\_R4\_S3\_EMULATION
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K11 — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Role: Switching
- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: CC\_RC\_R4\_S3\_EMULATION
- Role Details: RC selection NO relay placeholder for 10A nominal path\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K12 — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Role Details: RC selection NO relay placeholder for 10A \+3% path\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: Switching
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Functional Group: CC\_RC\_R4\_S3\_EMULATION
- Part Type: Relay

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K13 — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Role: Switching
- Role Details: RC selection NO relay placeholder for 16A \-3% path\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Functional Group: CC\_RC\_R4\_S3\_EMULATION
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K14 — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Role: Switching
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Role Details: RC selection NO relay placeholder for 16A nominal path\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Part Type: Relay
- Functional Group: CC\_RC\_R4\_S3\_EMULATION

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K15 — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: Switching
- Role Details: RC selection NO relay placeholder for 16A \+3% path\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Functional Group: CC\_RC\_R4\_S3\_EMULATION
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K16 — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Functional Group: CC\_RC\_R4\_S3\_EMULATION
- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Role Details: RC selection NO relay placeholder for 32A \-3% path\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay
- Role: Switching

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K17 — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Role Details: RC selection NO relay placeholder for 32A nominal path\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: CC\_RC\_R4\_S3\_EMULATION
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay
- Role: Switching

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K18 — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Role Details: RC selection NO relay placeholder for 32A \+3% path\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Functional Group: CC\_RC\_R4\_S3\_EMULATION
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: Switching
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K20 — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Functional Group: CC\_RC\_R4\_S3\_EMULATION
- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Role Details: Independent R4 selection NO relay for R4=1\.8kΩ\. Path: PE\_OUT \-\> K20 NO \-\> R\_R4\_10 \-\> R4\_RC\_NODE\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: Switching
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K21 — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Functional Group: CC\_RC\_R4\_S3\_EMULATION
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: Independent R4 selection NO relay for R4=2\.7kΩ\. Path: PE\_OUT \-\> K21 NO \-\> R\_R4\_16 \-\> R4\_RC\_NODE\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Role: Switching
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### K22 — [G2R\-1\-DC24](https://flux.ai/adrian95/g2r-1-dc24~gmx.md)

- Datasheet URL: https://omronfs\.omron\.com/en\_US/ecb/products/pdf/en\-g2r\.pdf
- Functional Group: CC\_RC\_R4\_S3\_EMULATION
- Role Details: Independent R4 selection NO relay for R4=3\.3kΩ\. Path: PE\_OUT \-\> K22 NO \-\> R\_R4\_32 \-\> R4\_RC\_NODE\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.
- Role: Switching
- Manufacturer Part Number: G2R\-1\-DC24
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Part Type: Relay

**Pins:**
- COIL\_1 [pin 1]
- COIL\_2 [pin 5]
- COM [pin 4]
- NC [pin 2]
- NO [pin 3]

### Q1 — [IRFR120NTRPBF](https://flux.ai/jecstronic/irfr120ntrpbf~zdk.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: \>=100V NMOS low\-side K1 coil driver candidate; gate protection/thermal review required\.
- Manufacturer Name: VBsemi Elec
- Part Type: Mosfet
- Functional Group: K1\_CONTACTOR\_DRIVER\_AND\_AUX\_FEEDBACK
- Datasheet URL: https://www\.lcsc\.com/product\-detail/MOSFETs\_VBsemi\-Elec\-IRFR120NTRPBF\-VB\_C558162\.html
- Role: Switching
- Manufacturer Part Number: IRFR120NTRPBF

**Pins:**
- Drain [pin 2]
- Gate [pin 1]
- Source [pin 3]

### Q2 — [IRFR120NTRPBF](https://flux.ai/jecstronic/irfr120ntrpbf~zdk.md)

- Functional Group: CHARGE\_AND\_DISCHARGE\_CONTACTOR\_CONTROL
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: Switching
- Role Details: \>=100V NMOS low\-side K\_DIS coil driver candidate; gate protection/thermal review required\.
- Manufacturer Name: VBsemi Elec
- Part Type: Mosfet
- Datasheet URL: https://www\.lcsc\.com/product\-detail/MOSFETs\_VBsemi\-Elec\-IRFR120NTRPBF\-VB\_C558162\.html
- Manufacturer Part Number: IRFR120NTRPBF

**Pins:**
- Drain [pin 2]
- Gate [pin 1]
- Source [pin 3]

### T1 — [ZMCT\-103C](https://flux.ai/adrian95/zmct-103c~gfl.md)

- Manufacturer Name: ZHE MING LANG XI
- Role: Sensing \(Shunt\)
- Functional Group: AC\_MAIN\_PATH\_AND\_BIDIRECTIONAL\_MEASUREMENT
- Datasheet URL: https://5nrorwxhmqqijik\.leadongcdn\.com/ZMCT103C\+specification\-aidirBqoKomRilSjpimnokp\.pdf
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Part Number: ZMCT\-103C
- Part Type: Transformer
- Role Details: CT placeholder on vehicle\-side L\_VEH conductor for bidirectional current measurement; polarity/sign convention and exact CT part REVIEW REQUIRED\.

**Pins:**
- P1 [pin 1]
- P2 [pin 2]

### U1 — [STM32G474RET6](https://flux.ai/lcsc/stm32g474ret6~yzz.md)

- Role: MCU
- Manufacturer Name: ST\(意法半导体\)
- Functional Group: POWER\_24V\_AND\_CONTROL
- Product Info Url: https://lcsc\.com/product\-detail/No\-specification\-for\-star\-making\-plan\_STMicroelectronics\-STM32G474RET6\_C521608\.html
- LCSC Part Number: C521608
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2304140030\_STMicroelectronics\-STM32G474RET6\_C521608\.pdf
- Package or Case Code: LQFP\-64\_L10\.0\-W10\.0\-P0\.50\-LS12\.0\-BL
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: STM32G474RET6
- Part Type: ST Microelectronics
- Role Details: STM32G474RET6 candidate control MCU; pin assignment review required\.

**Pins:**
- PA0 [pin 12]
- PA1 [pin 13]
- PA10 [pin 44]
- PA11 [pin 45]
- PA12 [pin 46]
- PA13 [pin 49]
- PA14 [pin 50]
- PA15 [pin 51]
- PA2 [pin 14]
- PA3 [pin 17]
- PA4 [pin 18]
- PA5 [pin 19]
- PA6 [pin 20]
- PA7 [pin 21]
- PA8 [pin 42]
- PA9 [pin 43]
- PB0 [pin 24]
- PB1 [pin 25]
- PB10 [pin 30]
- PB11 [pin 33]
- PB12 [pin 34]
- PB13 [pin 35]
- PB14 [pin 36]
- PB15 [pin 37]
- PB2 [pin 26]
- PB3 [pin 56]
- PB4 [pin 57]
- PB5 [pin 58]
- PB6 [pin 59]
- PB7 [pin 60]
- PB8\-BOOT0 [pin 61]
- PB9 [pin 62]
- PC0 [pin 8]
- PC1 [pin 9]
- PC10 [pin 52]
- PC11 [pin 53]
- PC12 [pin 54]
- PC13 [pin 2]
- PC14\-OSC32\_IN [pin 3]
- PC15\-OSC32\_OUT [pin 4]
- PC2 [pin 10]
- PC3 [pin 11]
- PC4 [pin 22]
- PC5 [pin 23]
- PC6 [pin 38]
- PC7 [pin 39]
- PC8 [pin 40]
- PC9 [pin 41]
- PD2 [pin 55]
- PF0\-OSC\_IN [pin 5]
- PF1\-OSC\_OUT [pin 6]
- PG10\-NRST [pin 7]
- VBAT [pin 1]
- VDD [pin 16]
- VDD [pin 32]
- VDD [pin 48]
- VDD [pin 64]
- VDDA [pin 29]
- VREF\+ [pin 28]
- VSS [pin 47]
- VSS [pin 31]
- VSS [pin 15]
- VSS [pin 63]
- VSSA [pin 27]

### U10 — [OPA197IDBVR](https://flux.ai/jecstronic/opa197idbvr~e1y.md)

- Manufacturer Name: Texas Instruments
- Manufacturer Part Number: OPA197IDBVR
- Role Details: OPA197 \+3 CP gain stage candidate; feedback values require analogue review\.
- Functional Group: CP\_GENERATION\_AND\_MONITOR
- Part Type: Operational Amplifier \(OP\-AMP\)
- Role: Amplifier
- Datasheet URL: https://www\.ti\.com/general/docs/suppproductinfo\.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww\.ti\.com%2Flit%2Fgpn%2Fopa197

**Pins:**
- \- [pin 4]
- \+ [pin 3]
- OUTPUT [pin 1]
- V\- [pin 2]
- V\+ [pin 5]

### U11 — [OPA197IDBVR](https://flux.ai/jecstronic/opa197idbvr~e1y.md)

- Manufacturer Name: Texas Instruments
- Manufacturer Part Number: OPA197IDBVR
- Functional Group: CP\_GENERATION\_AND\_MONITOR
- Role Details: OPA197 \-3 CP gain stage candidate; feedback values require analogue review\.
- Part Type: Operational Amplifier \(OP\-AMP\)
- Role: Amplifier
- Datasheet URL: https://www\.ti\.com/general/docs/suppproductinfo\.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww\.ti\.com%2Flit%2Fgpn%2Fopa197

**Pins:**
- \- [pin 4]
- \+ [pin 3]
- OUTPUT [pin 1]
- V\- [pin 2]
- V\+ [pin 5]

### U12 — [ADG1419BCPZ\-REEL7](https://flux.ai/lcsc/adg1419bcpz-reel7~bd2.md)

- Product Info Url: https://lcsc\.com/product\-detail/Analog\-Switches\_Analog\-Devices\_ADG1419BCPZ\-REEL7\_Analog\-Devices\-ADI\-ADG1419BCPZ\-REEL7\_C206632\.html
- Manufacturer Name: ADI\(亚德诺\)
- Part Type: Analog Switches / Multiplexers
- Role Details: ADG1419 physical CP output disconnect/high\-Z switch\. In EU/US PP mode the active ±12V CP generator must be disconnected/high impedance from CP\_OUT\. Leakage/on\-resistance/protection REVIEW REQUIRED\.
- Functional Group: CP\_GENERATION\_AND\_MONITOR
- LCSC Part Number: C206632
- Package or Case Code: LFCSP\-8\_L2\.0\-W3\.0\-P0\.50\-BL\-EP
- Manufacturer Part Number: ADG1419BCPZ\-REEL7
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2409291503\_Analog\-Devices\-ADG1419BCPZ\-REEL7\_C206632\.pdf
- Role: Analog Switch
- JLCPCB Part Class: Extended Part

**Pins:**
- D [pin 1]
- EN [pin 5]
- EP [pin 0]
- GND [pin 3]
- IN [pin 6]
- SA [pin 2]
- SB [pin 8]
- VDD [pin 4]
- VSS [pin 7]

### U13 — [MCP6004T\-I/SL](https://flux.ai/adrian95/mcp6004t-isl~qb.md)

- Role: Signal Conditioning
- Manufacturer Part Number: MCP6004T\-I/SL
- Datasheet URL: https://datasheet\.datasheetarchive\.com/originals/distributors/Datasheets\-DGA24/1612149\.pdf
- Functional Group: AC\_MAIN\_PATH\_AND\_BIDIRECTIONAL\_MEASUREMENT
- Role Details: MCP6004 measurement AFE for vehicle\-side common bus L\_VEH/N\_VEH voltage and CT conditioning\. Reports RMS voltage/current and signed real power direction in firmware; measurement\-only, not protective isolation\.
- Part Type: Operational Amplifier \(OP\-AMP\)
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Microchip Technology
- Package or Case Code: SOIC127P600X175\-14N

**Pins:**
- VDD [pin 4]
- VINA\- [pin 2]
- VINA\+ [pin 3]
- VINB\- [pin 6]
- VINB\+ [pin 5]
- VINC\- [pin 9]
- VINC\+ [pin 10]
- VIND\- [pin 13]
- VIND\+ [pin 12]
- VOUTA [pin 1]
- VOUTB [pin 7]
- VOUTC [pin 8]
- VOUTD [pin 14]
- VSS [pin 11]

### U14 — [PC817X2NSZ9F](https://flux.ai/adrian95/pc817x2nsz9f-8aiu3~i8d.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: Auxiliary contact feedback optocoupler placeholder; isolation rating and input resistor review required\.
- Datasheet URL: http://www\.socle\-tech\.com/doc/IC%20Channel%20Product/Optoelectronic%20Components/Photocoupler/PC817X\_NSZ9FSeries\_SPEC\.pdf
- Part Type: Isolator
- Role: Isolation
- Manufacturer Name: SHARP/Socle Technology
- Functional Group: K1\_CONTACTOR\_DRIVER\_AND\_AUX\_FEEDBACK
- Manufacturer Part Number: PC817X2NSZ9F

**Pins:**
- ANODE [pin 1]
- CATHODE [pin 2]
- COLLECTOR [pin 4]
- EMITTER [pin 3]

### U15 — [PC817X2NSZ9F](https://flux.ai/adrian95/pc817x2nsz9f-8aiu3~i8d.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: Isolation
- Functional Group: CHARGE\_AND\_DISCHARGE\_CONTACTOR\_CONTROL
- Datasheet URL: http://www\.socle\-tech\.com/doc/IC%20Channel%20Product/Optoelectronic%20Components/Photocoupler/PC817X\_NSZ9FSeries\_SPEC\.pdf
- Part Type: Isolator
- Manufacturer Name: SHARP/Socle Technology
- Role Details: K\_DIS auxiliary contact feedback optocoupler placeholder; isolation rating and input resistor review required\.
- Manufacturer Part Number: PC817X2NSZ9F

**Pins:**
- ANODE [pin 1]
- CATHODE [pin 2]
- COLLECTOR [pin 4]
- EMITTER [pin 3]

### U2 — [LMR33630ADDA](https://flux.ai/lcsc/lmr33630adda~mf4w.md)

- Package or Case Code: ESOP\-8\_L4\.9\-W3\.9\-P1\.27\-LS6\.0\-BL\-EP\-1
- Datasheet URL: https://www\.ti\.com/lit/ds/symlink/lmr33630\.pdf?HQS=dis\-dk\-null\-digikeymode\-dsf\-pf\-null\-wwe&ts=1780495101449&ref\_url=https%253A%252F%252Fwww\.ti\.com%252Fgeneral%252Fdocs%252Fsuppproductinfo\.tsp%253FdistId%253D10%2526gotoUrl%253Dhttps%253A%252F%252Fwww\.ti\.com%252Flit%252Fgpn%252Flmr33630
- Manufacturer Part Number: LMR33630ADDA
- JLCPCB Part Class: Extended Part
- Manufacturer Name: TI\(德州仪器\)
- Role: Regulator
- LCSC Part Number: C2866787
- Symbol Style: parametric\-v1
- Role Details: 24V to 5V buck; support component values and layout require datasheet review\.
- Part Type: DC\-DC Converters
- Functional Group: POWER\_24V\_AND\_CONTROL

**Pins:**
- BOOT [pin 7]
- EN [pin 3]
- EP [pin 9]
- FB [pin 5]
- PG [pin 4]
- PGND [pin 1]
- SW [pin 8]
- VCC [pin 6]
- VIN [pin 2]

### U3 — [AP63203WU\-7](https://flux.ai/lcsc/ap63203wu-7~j9cl.md)

- Part Type: AC\-DC Controllers & Regulators
- Functional Group: POWER\_24V\_AND\_CONTROL
- JLCPCB Part Class: Extended Part
- Operating Voltage: 4\.5V to 60V
- Manufacturer Part Number: AP63203WU\-7
- Package or Case Code: TSOT\-26\_L2\.9\-W1\.6\-P0\.95\-LS2\.8\-BL
- Max Output Voltage: 3\.3V
- Operating Temperature: \-40 \~ \+85℃
- Role Details: 5V to 3\.3V buck; support component values and layout require datasheet review\.
- Max Input Voltage: 3\.8\~32V
- Frequency: 1100kHz
- Output Current: 2A
- Datasheet URL: https://www\.diodes\.com/assets/Datasheets/AP63200\-AP63201\-AP63203\-AP63205\.pdf
- IC Type: Synchronous Buck Converter
- Symbol Style: parametric\-v1
- Manufacturer Name: DIODES\(美台\)
- LCSC Part Number: C780769
- Role: Regulator

**Pins:**
- BST [pin 6]
- EN [pin 2]
- FB [pin 1]
- GND [pin 4]
- SW [pin 5]
- VIN [pin 3]

### U4 — [W5500](https://flux.ai/vasy_skral/w5500~9ux.md)

- Part Type: Integrated Circuit
- Role: Communication
- Manufacturer Name: WIZnet
- Datasheet URL: https://docs\.wiznet\.io/img/products/w5500/w5500\_ds\_v109e\.pdf
- Functional Group: POWER\_24V\_AND\_CONTROL
- Manufacturer Part Number: W5500
- Symbol Style: parametric\-v1
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: W5500 Ethernet controller; RJ45/magnetics interface placeholder requires review\.

**Pins:**
- \~INT [pin 36]
- \~RST [pin 37]
- \~SCS [pin 32]
- 1V2O [pin 22]
- ACTLED [pin 27]
- AGND [pin 3]
- AGND [pin 16]
- AGND [pin 14]
- AGND [pin 48]
- AGND [pin 9]
- AGND [pin 19]
- AVDD [pin 21]
- AVDD [pin 15]
- AVDD [pin 8]
- AVDD [pin 11]
- AVDD [pin 4]
- AVDD [pin 17]
- DNC [pin 7]
- DUPLED [pin 26]
- EXRES1 [pin 10]
- GND [pin 29]
- LINKLED [pin 25]
- MISO [pin 34]
- MOSI [pin 35]
- NC [pin 46]
- NC [pin 12]
- NC [pin 47]
- NC [pin 13]
- PMODE0 [pin 45]
- PMODE1 [pin 44]
- PMODE2 [pin 43]
- RSVD [pin 23]
- RSVD [pin 42]
- RSVD [pin 38]
- RSVD [pin 39]
- RSVD [pin 40]
- RSVD [pin 41]
- RXN [pin 5]
- RXP [pin 6]
- SCLK [pin 33]
- SPDLED [pin 24]
- TOCAP [pin 20]
- TXN [pin 1]
- TXP [pin 2]
- VBG [pin 18]
- VDD [pin 28]
- XI/CLKIN [pin 30]
- XO [pin 31]

### U5 — [ADM2587E](https://flux.ai/kicad-part-library/adm2587e~e58.md)

- Role Details: ADM2587E isolated RS\-485 candidate; library metadata/manufacturer and pinout require verification\.
- Manufacturer Part Number: ADM2587E
- Package or Case Code: SOIC\-20W\_7\.5x12\.8mm\_P1\.27mm
- Role: Communication
- Manufacturer Name: Texas Instruments Inc\.
- Functional Group: POWER\_24V\_AND\_CONTROL

**Pins:**
- \~\{RE\} [pin 5]
- A [pin 18]
- B [pin 17]
- DE [pin 6]
- GND1 [pin 10]
- GND1 [pin 3]
- GND1 [pin 1]
- GND1 [pin 9]
- GND2 [pin 20]
- GND2 [pin 16]
- GND2 [pin 14]
- GND2 [pin 11]
- RxD [pin 4]
- TxD [pin 7]
- VCC [pin 2]
- VCC [pin 8]
- Visoin [pin 19]
- Visoout [pin 12]
- Y [pin 13]
- Z [pin 15]

### U6 — [WRE2412S\-1WR2](https://flux.ai/lcsc/wre2412s-1wr2~ec3t.md)

- Package or Case Code: PWRM\-TH\_WREXXXXS\-1WR2
- LCSC Part Number: C2757464
- Functional Group: CP\_GENERATION\_AND\_MONITOR
- Manufacturer Part Number: WRE2415S\-1WR2 PLACEHOLDER
- JLCPCB Part Class: Extended Part
- Part Type: Power Modules
- Role: Isolated Supply
- Manufacturer Name: MORNSUN\(金升阳\)
- Role Details: PLACEHOLDER ONLY: WRE2412S library part used as WRE2415S\-1WR2 logical footprint/symbol stand\-in\. VERIFY FOOTPRINT / PINOUT BEFORE RELEASE\.

**Pins:**
- \-Vo [pin 8]
- \+Vo [pin 6]
- 0V [pin 7]
- CTRL [pin 3]
- GND [pin 1]
- NC [pin 5]
- VIN [pin 2]

### U7 — [MCP4922T\-E/SL](https://flux.ai/adrian95/mcp4922t-esl.md)

- Functional Group: CP\_GENERATION\_AND\_MONITOR
- Role: DAC
- Manufacturer Name: Microchip Technology
- Role Details: Dual DAC for programmable CP positive/negative platforms\.
- Package or Case Code: TO
- Part Type: Integrated Circuit
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/477179c4144575cc57d98b162cbc9d5b2b76e8cd015e085b7274ec82fd884696\.pdf
- Symbol Style: parametric\-v1
- Manufacturer Part Number: MCP4922T\-E/SL

**Pins:**
- \~CS [pin 3]
- \~LDAC [pin 8]
- \~SHDN [pin 9]
- NC [pin 2]
- NC\_2 [pin 6]
- NC\_3 [pin 7]
- SCK [pin 4]
- SDI [pin 5]
- VDD [pin 1]
- VOUTA [pin 14]
- VOUTB [pin 10]
- VREFA [pin 13]
- VREFB [pin 11]
- VSS [pin 12]

### U8 — [REF5050AQDRQ1](https://flux.ai/lcsc/ref5050aqdrq1~vb5w.md)

- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2304140030\_Texas\-Instruments\-REF5050AQDRQ1\_C138360\.pdf
- Functional Group: CP\_GENERATION\_AND\_MONITOR
- Part Type: Voltage References
- Role Details: 5V precision reference for MCP4922 DAC/calibration\.
- Role: Reference
- Product Info Url: https://lcsc\.com/product\-detail/Voltage\-References\_TI\_REF5050AQDRQ1\_REF5050AQDRQ1\_C138360\.html
- Manufacturer Part Number: REF5050AQDRQ1
- Manufacturer Name: TI\(德州仪器\)
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C138360
- Package or Case Code: SOIC\-8\_L4\.9\-W3\.9\-P1\.27\-LS6\.0\-BL

**Pins:**
- DNC [pin 1]
- DNC [pin 8]
- GND [pin 4]
- NC [pin 7]
- TEMP [pin 3]
- TRIM/NR [pin 5]
- VIN [pin 2]
- VOUT [pin 6]

### U9 — [SN74AHCT125DR](https://flux.ai/jecstronic/sn74ahct125dr~3jh.md)

- Manufacturer Name: Texas Instruments
- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Integrated Circuit
- Datasheet URL: https://www\.ti\.com/lit/ds/symlink/sn74ahct125\.pdf
- Role: Logic Buffer
- Manufacturer Part Number: SN74AHCT125DR
- Role Details: 74AHCT125 candidate logic buffer for CP generation path\.
- Functional Group: CP\_GENERATION\_AND\_MONITOR

**Pins:**
- 1\~OE [pin 1]
- 1A [pin 2]
- 1Y [pin 3]
- 2\~OE [pin 4]
- 2A [pin 5]
- 2Y [pin 6]
- 3\~OE [pin 10]
- 3A [pin 9]
- 3Y [pin 8]
- 4\~OE [pin 13]
- 4A [pin 12]
- 4Y [pin 11]
- GND [pin 7]
- VCC [pin 14]

*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://flux\.ai/hanlinzhen/ev\-charge\-controller\-test\-board\~ot](https://flux.ai/hanlinzhen/ev-charge-controller-test-board~ot).*

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*Generated from [https://flux\.ai/hanlinzhen/ev\-charge\-controller\-test\-board\~ot](https://flux.ai/hanlinzhen/ev-charge-controller-test-board~ot)*