2 layers100 × 100 mm
Precharge controller board
wangyanyu1817/precharge_controller_board
本项目硬件设计采用 CERN OHL‑S v2 许可证，固件部分采用 MIT 许可证。
217 parts
4 layers78.5 × 91 mm
PCB on KiKad 9
- Size
- 78.5 × 91 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 119
- Nets
- 89
- Pads
- 315
- Tracks, vias
- 395, 93
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 16 Nov 2025
- Updated
- 27 Nov 2025
Overview
FuSa1 is an open-source printed circuit board by engrtech, from the engrtech/STM32_RC01_PCB repository on GitHub. It is a 4-layer board of 78.5 × 91 mm with 119 parts on 89 nets, routed with 395 tracks and 93 vias.
It is built around the TJA1051T/3/1, AMS1117-3.3 and SMAJ5.0CA, with the SS34, 100UF 10V 4*7 and 220UF 10V 5*7 among its other parts. Its parts include 36 capacitors, 35 resistors, 10 connectors, 9 diodes and 6 switches. It belongs with the STM32 boards of this library.
Main components
9TJA1051T/3/1
-- CAN Transceivers ROHSNXP SemiconductorsCAN Transceivers
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
SMAJ5.0CA
DO-214AC(SMA)-65℃~+150℃ 400W 43.5A 5V 6.4V 800uA 9.2V Bidirectional TVS DO-214AC(SMA) ESD and Surge Protection (TVS/ESD) ROHSLittelfuseESD And Surge Protection (TVS/ESD)SS34
SMA(DO-214AC)-55℃~+125℃ 3A 40V 500uA@40V 550mV@3A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky Diodes100UF 10V 4*7
插件,4x7mm1.5mm 1000hrs@105℃ 100uF 10V 4mm 7mm 插件,4x7mm Aluminum Electrolytic Capacitors - Leaded ROHSLCSCAluminum Electrolytic Capacitors - Leaded220UF 10V 5*7
插件,5x7mm1000hrs@105℃ 10V 220uF 2mm 5mm 7mm 插件,5x7mm Aluminum Electrolytic Capacitors - Leaded ROHSLCSCAluminum Electrolytic Capacitors - Leaded
PESD1CAN
SOT-23-65℃~+150℃ 11pF 1nA 2 200W@8/20us 24V 30.3V 3A@8/20us 70V Bidirectional ESD IEC 61000-4-2、IEC 61000-4-5 SOT-23 ESD and Surge Protection (TVS/ESD) ROHSNexperiaESD And Surge Protection (TVS/ESD)
SMBJ15CA
DO-214AA(SMB)-65℃~+150℃ 15V 18.5V 1uA 24.4V 24.6A@10/1000us 600W@10/1000us Bidirectional TVS DO-214AA(SMB) ESD and Surge Protection (TVS/ESD) ROHSMDDESD And Surge Protection (TVS/ESD)
XT60PW-M
-Horizontal plug Yellow - Power connector / plug connector ROHSChangzhou Amass ElecPlug
Parts
119| Qty | Value | Footprint | References |
|---|---|---|---|
| 19 | 100nF/50V | Capacitor_SMD:C_0603_1608Metric | C2, C4, C7, C11, C12, C13, C15, C40, C41, C42, C43, C44, C45, C49, C64, C70 +3 |
| 10 | 100 | Resistor_SMD:R_0603_1608Metric | R41, R43, R45, R47, R49, R51, R57, R58, R62, R63 |
| 10 | 10K | Resistor_SMD:R_0603_1608Metric | R3, R12, R31, R33, R40, R42, R44, R46, R48, R50 |
| 7 | 10uF/25V | Capacitor_SMD:C_0603_1608Metric | C5, C6, C10, C14, C33, C48, C63 |
| 5 | 600R@100MHz | Inductor_SMD:L_1206_3216Metric | FB20, FB21, FB30, FB40, FB50 |
| 4 | 100pF | Capacitor_SMD:C_0603_1608Metric | C30, C31, C60, C61 |
| 4 | 330 | Resistor_SMD:R_0603_1608Metric | R2, R52, R53, R54 |
| 4 | 47 | Resistor_SMD:R_0603_1608Metric | R66, R67, R68, R69 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_Pad | H1, H2, H3, H4 |
| 2 | 100R | Resistor_SMD:R_0603_1608Metric | R10, R11 |
| 2 | 4.7K | Resistor_SMD:R_0603_1608Metric | R60, R61 |
| 2 | SMAJ5.0CA | Diode_SMD:D_SMA | D10, D11 |
| 2 | SS34 | Diode_SMD:D_SMA | D1, D2 |
| 1 | 100uF/10V | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C32 |
| 1 | 100uF/25V | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C1 |
| 1 | 120 | Resistor_SMD:R_0603_1608Metric | R75 |
| 1 | 1A | Fuse:Fuse_1206_3216Metric | F1 |
| 1 | 1KR | Resistor_SMD:R_0603_1608Metric | R13 |
| 1 | 1uF | Capacitor_SMD:C_0603_1608Metric | C20 |
| 1 | 220uF/10V | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C62 |
| 1 | 220uF/10V | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C3 |
| 1 | 3.3K | Resistor_SMD:R_0603_1608Metric | R4 |
| 1 | 3V3_ON | LED_SMD:LED_1206_3216Metric | LED2 |
| 1 | 3V3_OUT | TestPoint:TestPoint_Pad_D2.0mm | TP3 |
| 1 | 4.7uF/25V | Capacitor_SMD:C_0603_1608Metric | C72 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | Accelerate | Button_Switch_SMD:SW_SPST_B3U-1000P | SW1 |
| 1 | CAN_TERM | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | Conn_01x03_Pin | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | DC_JACK_5.5x2.1 | Connector_BarrelJack:BarrelJack_Horizontal | J3 |
| 1 | Decelerate | Button_Switch_SMD:SW_SPST_B3U-1000P | SW2 |
| 1 | ESC_HEADER | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J20 |
| 1 | ESTOP | TestPoint:TestPoint_Pad_D2.0mm | TP30 |
| 1 | EStop | Button_Switch_SMD:SW_SPST_B3U-1000P | SW6 |
| 1 | FAULT | LED_SMD:LED_1206_3216Metric | LED22 |
| 1 | Home | Button_Switch_SMD:SW_SPST_B3U-1000P | SW5 |
| 1 | I2C_EXP | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J50 |
| 1 | LM2596_Module | Custom_Modules:LM2596_Module | U1 |
| 1 | Left | Button_Switch_SMD:SW_SPST_B3U-1000P | SW3 |
| 1 | NRF24_PA_LNA | Connector_PinSocket_2.54mm:PinSocket_2x04_P2.54mm_Vertical | J53 |
| 1 | OLED_I2C | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J40 |
| 1 | PESD1CAN | Package_TO_SOT_SMD:SOT-23 | D30 |
| 1 | Right | Button_Switch_SMD:SW_SPST_B3U-1000P | SW4 |
| 1 | SERVO_HEADER | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J21 |
| 1 | SMBJ15CA | Diode_SMD:D_SMB | TVS1 |
| 1 | SYSTEM_OK | LED_SMD:LED_1206_3216Metric | LED20 |
| 1 | Screw_Terminal_01x03 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-3_1x03_P5.00mm_Horizontal | J56 |
| 1 | TJA1051T-3 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U10 |
| 1 | TP_5V | TestPoint:TestPoint_Pad_D2.0mm | TP2 |
| 1 | TP_ESC_PWM | TestPoint:TestPoint_Pad_D2.0mm | TP20 |
| 1 | TP_SERVO_CLEAN | TestPoint:TestPoint_Pad_D2.0mm | TP22 |
| 1 | TP_SERVO_PWM | TestPoint:TestPoint_Pad_D2.0mm | TP21 |
| 1 | TP_VBAT_MON | TestPoint:TestPoint_Pad_D2.0mm | TP4 |
| 1 | UART2_DEBUG | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J51 |
| 1 | WARNING | LED_SMD:LED_1206_3216Metric | LED21 |
| 1 | WeAct STM32F405RG | Custom_Modules:WeAct_STM32F405 | U3 |
| 1 | XT60PW-M | Connector_AMASS:AMASS_XT60PW-M_1x02_P7.20mm_Horizontal | J1 |
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Questions
How big is the FuSa1 PCB?
It measures 78.5 × 91 mm and has 4 copper layers, 1.6 mm thick.
What parts does the FuSa1 use?
119 parts, built around the TJA1051T/3/1, AMS1117-3.3, SMAJ5.0CA and SS34. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the FuSa1 KiCad files?
From the engrtech/STM32_RC01_PCB repository on GitHub, at the commit this page was made from: the board is FuSa1.kicad_pcb and its schematic 1_Power_Management.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the FuSa1 design in my own project?
Its repository states no licence, so its author keeps all rights: ask engrtech before reusing the design.