Adafruit LiIon/LiPoly Backpack Add-On for Pro Trinket/ItsyBitsy

Slim LiPoly backpack board that stacks onto the Pro Trinket or ItsyBitsy, adding a LiPoly charger and boost converter for portable battery operation.

Pinout

Logical pinout · physical placement not verified
ADAFRUIT LIION/LIPOLY 5VBATGswitch pads
  • 5V
    Type · PowerVoltage · 5V
  • G
    Type · GroundVoltage · 0V
  • BAT
    Type · PowerVoltage · 3.2-4.2V
  • switch pads
    Type · UnknownVoltage · battery voltage

Start wiring

I2C · USB · 5 V · Module

Verify supply voltage and logic levels before powering up.

Module pins: 5V, G. Schematik maps them to your board in the app.

Charging

46 other options

Single-cell LiPo chargers (TP4056, MicroUSB/Type-C modules), charger/booster combos (PowerBoost 500/1000, Lipo Rider Plus 5V/2.4A), I2C fuel gauges (MAX17048, LC709203F) and Qi wireless charging coils.

View all 46

Related groups

4 groups