PowerBoost 500 Shield - Rechargeable 5V Power Shield
Arduino-stackable shield combining a LiPoly charger and a 5V boost converter. Powers an Arduino from a single-cell LiPoly battery and recharges it while plugged in.
Pinout
- 5V output
Boosted shield output rail for Arduino, Adafruit Learn states the boost section takes 3-4V LiIon/LiPoly input and boosts it to 5.2V before a Schottky diode drops it to about 5V.
Type · powerVoltage · about 5V output, can dip to 4.8V over 1A; 500mA fuse on boost output - GND
Ground reference for the PowerBoost shield and stacked Arduino.
Type · groundVoltage · 0V - BAT / JST battery input
LiIon/LiPoly battery input via the shield battery connector; Learn describes 3-4VDC input from the battery into the boost section.
Type · powerVoltage · 3-4VDC LiIon/LiPoly battery input - Micro USB charge input
Micro USB connector used to charge the battery; Adafruit Learn says plugging Arduino USB will not charge the battery and the shield microUSB charge rate is up to 500mA.
Type · powerVoltage · USB 5V charge input, up to 500mA charge rate - Power switch pads
Optional booster enable switch connection. Learn states a custom switch can be soldered to the middle pin and the pin right below it; the switch carries signal, not power.
Start wiring
I2C · USB · 5 V · Module
Verify supply voltage and logic levels before powering up.
Module pins: 5V output, BAT / JST battery input, Micro USB charge input, GND, Battery monitor solder jumper. Schematik maps them to your board in the app.
Charging
45 other optionsSingle-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.
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