This is intended to be a small sized, general purpose LiPo charge controller with power path and a 3v3 regulator. Currently the targeted size is 0.7" by 0.7", or just under 18mm square. It is intended to be used with 3.7V nominal cells.
- TP4056 Charge Controller
- 500mA charging current
- Low voltage trickle charging
- Over/Under-voltage Protection
- AP9101CK6 + FS8205
- Disables cell on over/under charge
- Power Path
- Provides power via USB when connected
- 500mA max output (USB or Cell)
- Switchable 3v3 Regulator
- Default off
- 100mA+ output
- Resettable Polyfuse
- For high current, direct battery applications (e.g. LEDs)
- Max 2A continuous output
This is the current version of the board.
The first version is a larger scale test board.
The schematic is also available as PDF.