

Battery Pack for the BSides CBR 2023 bPod
- Size
- 41 × 96 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 28
- Nets
- 54
- Pads
- 115
- Tracks, vias
- 108, 53
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 7 Oct 2023
- Updated
- 7 Oct 2023
Overview
Bpod is an open-source printed circuit board by joshajohnson, from the joshajohnson/bpod-battery repository on GitHub. It is a 2-layer board of 41 × 96 mm with 28 parts on 54 nets, routed with 108 tracks and 53 vias.
It is built around the TP4057-42-SOT26-R, DMP2045U-7 and 19-217/GHC-YR1S2/3T, with the PH-2P卧贴, MBR120ESFT1G and KT-0603R among its other parts. Its parts include 7 resistors, 7 connectors, 4 capacitors, 4 ICs and 3 diodes.
Main components
8TP4057-42-SOT26-R
SOT-23-6-40℃~+85℃ 1 4.2V 40uA 4V~9V 500mA Charging IC Lithium Battery Not supported Not supported SOT-23-6 Battery Management ROHSTOPPOWERBattery ManagementDMP2045U-7
SOT-23-55℃~+150℃ 1 P-Channel 1V 20V 4.3A 6.8nC 634pF 66pF 800mW 90mΩ@1.8V SOT-23 MOSFETs ROHSDiodes IncorporatedMOSFETs19-217/GHC-YR1S2/3T
0603-40℃~+85℃ 110mW 120° 199mcd 20mA 3.3V 518nm 520nm~535nm Discrete Diode Emerald Green Water Clear 0603 LED Indication - Discrete ROHSEverlight ElectronicsLED Indication - DiscretePH-2P卧贴
SMD,P=2mm,卧贴-25℃~+85℃ 1 1x2P 2 250V 2A 2P 2mm Brass PA PH Surface Mount, Right Angle Tin UL94V-0 maize-yellow SMD,P=2mm,卧贴 Wire To Board Connector ROHSBOOMELEWire To Board ConnectorMBR120ESFT1G
SOD-123FL-65℃~+150℃ 1 Independent 10uA@20V 1A 20V 40A 500mV SOD-123FL Schottky Diodes ROHSTokmasSchottky DiodesKT-0603R
0603-40℃~+85℃ 1.6mm x 0.8mm square LED 1.8V~2.4V 120° 20mA 300mcd 40mW 615nm~630nm 645nm Discrete Diode Red Water Clear 0603 LED Indication - Discrete ROHSHubei KENTO ElecLED Indication - DiscretePCM12SMTR
SMD-20℃~+85℃ 6V PC Pin Rectangular Columnar SPDT Surface Mount,Vertical SMD Slide Switches ROHSC&KSlide SwitchesTYPE-C-31-M-12
SMD-30℃~+80℃ 1 10,000 cycles 16P 20V 5A 7.35mm Female Surface Mount, Right Angle Type-C SMD USB Connectors ROHSHRO ElectronicsUSB Connectors
Parts
28| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 5K1 | Resistor_SMD:R_0603_1608Metric | R1, R2, R3, R4, R7 |
| 2 | 4u7 | Capacitor_SMD:C_0603_1608Metric | C1, C4 |
| 2 | DMP2045U | Package_TO_SOT_SMD:SOT-23 | Q1, Q2 |
| 1 | 100K | Resistor_SMD:R_0603_1608Metric | R6 |
| 1 | 10u | Capacitor_SMD:C_0603_1608Metric | C2 |
| 1 | 1u | Capacitor_SMD:C_0603_1608Metric | C3 |
| 1 | 2K | Resistor_SMD:R_0603_1608Metric | R5 |
| 1 | Conn_01x02 | common:PinHeader_1x02_P2.54mm_Vertical | J6 |
| 1 | Conn_01x12 | common:PinHeader_1x12_P2.54mm_Vertical | J4 |
| 1 | DEBUG | common:PinHeader_2x05_P2.54mm_Vertical | J3 |
| 1 | GRN | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | JST_PH2 | josh-connectors:JST_PH_S2B-PH-SM4-TB_1x02-1MP_P2.00mm_Horizontal | J7 |
| 1 | MBR120 | Diode_SMD:D_SOD-123F | D3 |
| 1 | PROGRAM | common:PinHeader_2x03_P2.54mm_Vertical | J2 |
| 1 | RED | LED_SMD:LED_0603_1608Metric | D2 |
| 1 | SAO | Simple_Addon_v2:Simple_Addon_v2-BADGE-2x3 | J5 |
| 1 | SLIDE | Button_Switch_SMD:SW_SPDT_PCM12 | SW1 |
| 1 | TP4057 | Package_TO_SOT_SMD:SOT-23-6 | U1 |
| 1 | USB_C_Receptacle_USB2.0 | josh-connectors:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | bpod-logo | bpod:bpod-logo | U14 |
| 1 | bsides-2023 | bpod:bsides-2023 | U10 |
| 1 | made_by_peter | bpod:made_by_peter | U11 |
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Questions
How big is the Bpod PCB?
It measures 41 × 96 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Bpod use?
28 parts, built around the TP4057-42-SOT26-R, DMP2045U-7, 19-217/GHC-YR1S2/3T and PH-2P卧贴. 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 Bpod KiCad files?
From the joshajohnson/bpod-battery repository on GitHub, at the commit this page was made from: the board is bpod/bpod.kicad_pcb and its schematic bpod/bpod.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Bpod design in my own project?
Its repository states no licence, so its author keeps all rights: ask joshajohnson before reusing the design.