Charging module
About the Charging module
Charging module is an open source PCB design by KingJacker, published on GitHub. It is a 4-layer board measuring 35 × 20 mm, with 21 components from 17 distinct parts.
Other key parts include the MCP73871-2CCI/ML. By type, the board carries 9 resistors, 3 connectors, 3 diodes, 3 capacitors, 1 IC and 1 jumper.
It belongs with the power & battery designs in this gallery.
From the project
kicad project for lipo charging module
��# Charging Board MCP73871 A simple Lipo Charging Board for USB-C based on the MCP73871. Slightly more advanced than the TP4056 variant. ## Slim The Slim Varaint is designed for low charging currents, suitable for small batteries. As you can see in the schematic there are options for…
Main components on the Charging module
Charging module bill of materials (BOM)
21 components, 17 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MCP73871-2CCI/ML MCP73871-2CCI_ML | QFN50P400X400X100-21N-D | IC1 |
| 1 | OUT | JST_XH_S2B-XH-A_1x02_P2.50mm_Horizontal | J1 |
| 1 | USB_C_Receptacle_USB2.0_16P | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J2 |
| 1 | BAT | JST_XH_S2B-XH-A_1x02_P2.50mm_Horizontal | J3 |
| 1 | Timer Jumper | SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP3 |
| 1 | NTC B3950 10k | PinHeader_1x02_P2.54mm_Vertical | TH1 |
| 1 | Blue | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1 |
| 1 | Green | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D2 |
| 1 | Red | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D3 |
| 1 | 10uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 2 | 4.7uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C3 |
| 2 | 5.1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2 |
| 1 | 330k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3 |
| 1 | 110k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4 |
| 1 | 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R5 |
| 3 | 470 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6, R7, R8 |
| 1 | 25k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R9 |
Charging module design files
The KiCad project lives in the KingJacker/charging-board-MCP73871 repository on GitHub; these links point at the commit this page was built from.
Charging module: common questions
How big is the Charging module?
The Charging module measures 35 × 20 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Charging module?
21 components, from 17 distinct parts. The full bill of materials is listed on this page.
Where can I download the Charging module design files?
From the KingJacker/charging-board-MCP73871 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Charging module design in my own project?
The repository has no license, so all rights stay with KingJacker. Use it as a reference, and ask the author before reusing the design.
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