4 layers45 × 62 mm
Deye jk can gateway
butchja/esphome-jk-bms-can-PCB
HW platform for https://github.com/Ackmaniac/esphome-jk-bms-can
77 parts
4 layers75 × 55 mm
- Size
- 75 × 55 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 74
- Nets
- 72
- Pads
- 210
- Tracks, vias
- 382, 77
- Pours
- 17
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 6 Oct 2026
- Updated
- 6 Nov 2026
Overview
Template is an open-source printed circuit board by Exocet-Polytechnique, from the Exocet-Polytechnique/exo-template-pcb repository on GitHub, published under the GPL-3.0 licence. It is a 4-layer board of 75 × 55 mm with 74 parts on 72 nets, routed with 382 tracks and 77 vias.
It is built around the STM32G474RBT6, R-78K5.0-1.0 and TJA1042T/3/1J, with the SMF4L48CA, AO3400A and GZ2012D101TF among its other parts. Its parts include 20 capacitors, 8 resistors, 6 diodes, 4 ICs and 2 connectors. It belongs with the STM32 boards of this library.
Main components
12
STM32G474RBT6
LQFP-64(10x10)-40℃~+85℃ 1.71V~3.6V 128KB 128KB 12bit 12bit 170MHz 32 Bit 52 ARM Cortex-M4F Built-in FLASH LQFP-64(10x10) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)
R-78K5.0-1.0
SIP,11.5x7.6mm1 1A 5V 6.5V~36V 92% SIP,11.5x7.6mm Isolated Power Modules ROHSRECOM PowerIsolated Power Modules
TJA1042T/3/1J
SOIC-8-40℃~+150℃ 15uA 4.5V~5.5V 5Mbps 70mA SOIC-8 CAN Transceivers ROHSNXP SemiconductorsCAN Transceivers
SMF4L48CA
SOD-123FL-55℃~+150℃ 1uA 400W@10/1000us 48V 5.2A@10/1000us 58.9V 77.4V Bidirectional IEC 61000-4-2、IEC 61000-4-4 TVS SOD-123FL ESD and Surge Protection (TVS/ESD) ROHSLittelfuseESD And Surge Protection (TVS/ESD)
AO3400A
SOT-23-55℃~+150℃ 1 N-channel 1.45V 1.4W 30V 48mΩ@2.5V 5.7A 50pF 630pF 75pF 7nC@10V N-Channel SOT-23 MOSFETs ROHSAlpha & Omega SemiconductorMOSFETs
GZ2012D101TF
08051 100Ω@100MHz 150mΩ 800mA ±25% 0805 Ferrite Beads ROHSSunlordFerrite Beads
KT-0805G
0805-40℃~+85℃ 100mW 120° 2.6V~3.1V 430mcd 513nm~528nm 525nm 5mA Discrete Diode Emerald Green Water Clear 0805 LED Indication - Discrete ROHSHubei KENTO ElecLED Indication - DiscreteKT-0805Y
0805-40℃~+85℃ 1.8V~2.4V 120° 175mcd 40mW 584nm~594nm 596nm Discrete Diode Water Clear Yellow 0805 LED Indication - Discrete ROHSHubei KENTO ElecLED Indication - Discrete
MF-R090
插件,P=5.1mm-40℃~+85℃ 1.8A 140mΩ 1W 40A 470mΩ 60V 7.2s 900mA 插件,P=5.1mm Resettable Fuses ROHSBournsResettable Fuses
SMF33A
SOD-123FL-55℃~+150℃ 1uA 200W@10/1000us 3.8A@10/1000us 33V 40.6V 53.3V TVS SOD-123FL ESD and Surge Protection (TVS/ESD) ROHSShandong Jingdao MicroelectronicsESD And Surge Protection (TVS/ESD)SMF5.0A
SOD-123FLESD And Surge Protection (TVS/ESD)hongjiacheng
X49SM8MSD2SC
HC-49S-SMD-20℃~+70℃ 20pF 70Ω 8MHz Crystal Oscillator ±20ppm ±30ppm HC-49S-SMD Crystals ROHSYXCCrystals
Parts
74| Qty | Value | Footprint | References |
|---|---|---|---|
| 14 | Pad | TestPoint:TestPoint_Pad_D1.5mm | TP7, TP8, TP9, TP10, TP11, TP12, TP13, TP14, TP15, TP16, TP17, TP18, TP19, TP20 |
| 9 | 100n | Capacitor_SMD:C_0402_1005Metric | C1, C2, C4, C7, C10, C11, C13, C14, C15 |
| 4 | 2.2u | Capacitor_SMD:C_0603_1608Metric | C8, C16, C17, C18 |
| 4 | M3 | MountingHole:MountingHole_3.2mm_M3_Pad | H1, H2, H3, H4 |
| 3 | 100 | Resistor_SMD:R_0603_1608Metric | R2, R4, R7 |
| 3 | 5005 | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP1, TP2, TP4 |
| 2 | 1.2k | Resistor_SMD:R_0603_1608Metric | R3, R5 |
| 2 | 10u | Capacitor_SMD:C_1206_3216Metric | C3, C12 |
| 2 | 30p | Capacitor_SMD:C_0603_1608Metric | C19, C20 |
| 2 | SMF4L48CA | Diode_SMD:D_SOD-123F | D3, D4 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric | R8 |
| 1 | 10n | Capacitor_SMD:C_0402_1005Metric | C9 |
| 1 | 1k | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | 47 | Resistor_SMD:R_0603_1608Metric | R6 |
| 1 | 470n | Capacitor_SMD:C_0603_1608Metric | C5 |
| 1 | 47u | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C6 |
| 1 | 5006 | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP5 |
| 1 | 5009 | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP6 |
| 1 | 5121 | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP3 |
| 1 | AO3400A | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | Fuse Holder | Fuse:Fuseholder_Clip-5x20mm_Littelfuse_111_Lateral_P18.80x5.00mm_D1.17mm_Horizontal | F1 |
| 1 | GZ2012D101TF | Inductor_SMD:L_0805_2012Metric | FB1 |
| 1 | KT-0805G | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D2 |
| 1 | KT-0805Y | LED_SMD:LED_0805_2012Metric | D5 |
| 1 | LM3940 | Package_TO_SOT_THT:TO-220-3_Vertical | U1 |
| 1 | MF-R090 | Exocet:PTC_Bourns_MF-R090 | F2 |
| 1 | Network Connector | Exocet:Connector_Molex_0353180420 | J1 |
| 1 | R-78K5.0-1.0 | Exocet:Converter_DCDC_RECOM_R-78K-1.0_THT | U2 |
| 1 | SMF33A | Diode_SMD:D_SOD-123F | D1 |
| 1 | SMF5.0A | Diode_SMD:D_SOD-123F | D6 |
| 1 | STDC14 | Connector_PinHeader_1.27mm:PinHeader_2x07_P1.27mm_Vertical_SMD | J2 |
| 1 | STM32G474RBT6 | Package_QFP:LQFP-64_10x10mm_P0.5mm | U4 |
| 1 | SW_Push | Button_Switch_THT:SW_PUSH_6mm | SW1 |
| 1 | SYM_ESD_Large | Symbol:ESD-Logo_8.9x8mm_SilkScreen | SYM1 |
| 1 | SolderJumper_2_Bridged | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP1 |
| 1 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2 |
| 1 | TJA1042T-3 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | X49SM8MSD2SC | Crystal:Crystal_SMD_HC49-SD | Y1 |
| 1 | ~ | Exocet:SYM_Logo_Exocet | SYM2 |
Questions
How big is the Template PCB?
It measures 75 × 55 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Template use?
74 parts, built around the STM32G474RBT6, R-78K5.0-1.0, TJA1042T/3/1J and SMF4L48CA. 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 Template KiCad files?
From the Exocet-Polytechnique/exo-template-pcb repository on GitHub, at the commit this page was made from: the board is template.kicad_pcb and its schematic stm32_base.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Template design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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