Adafruit Universal USB / DC / Solar Lithium Ion/Polymer charger

This charger is the only one you need to keep all your Lithium Polymer (LiPoly) or Lithium Ion (LiIon) rechargeable batteries topped up.

VBUS
5V power rail from the USB connector and DC barrel jack input.
Type · powerVoltage · 5V input rail per Adafruit pinouts page
OUT
Regulated load output, also exposed on the top Load Out JST connector for powering the load project.
Type · powerVoltage · ~3V to 4.4V regulated/load output per Adafruit pinouts page
LIPO
Battery positive input, also exposed on the bottom Lipo Batt JST connector for a LiPoly/LiIon battery.
Type · powerVoltage · 3.7V/4.2V nominal LiPoly/LiIon battery connection per Adafruit pinouts page
GND
Common ground for all power and logic.
Type · groundVoltage · 0V common ground
CE
Charge Enable, active low. Pull high to disable charging; pulled low by default through 10K.
Type · control

Start wiring

SPI · 5V input rail per Adafruit pinouts page · ~3V to 4.4V regulated/load output per Adafruit pinouts page

Verify supply voltage and logic levels before powering up.

Module pins: VBUS, OUT, LIPO, GND. Schematik maps them to your board in the app.

Related groups

4 groups

Power

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Batteries

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Power · Batteries · 21 parts

Connectors

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Displays

Character LCDs, SPI TFTs, e-paper modules and larger capacitive-touch TFT panels solve different display jobs. Treat display class, interface, controller, resolution, touch, refresh behaviour, storage, voltage and mounting as separate swap checks.

Displays · TFT & LCD displays · 35 parts

Pin	Type	Function	Voltage
VBUS	power	5V power rail from the USB connector and DC barrel jack input.	5V input rail per Adafruit pinouts page
OUT	power	Regulated load output, also exposed on the top Load Out JST connector for powering the load project.	~3V to 4.4V regulated/load output per Adafruit pinouts page
LIPO	power	Battery positive input, also exposed on the bottom Lipo Batt JST connector for a LiPoly/LiIon battery.	3.7V/4.2V nominal LiPoly/LiIon battery connection per Adafruit pinouts page
GND	ground	Common ground for all power and logic.	0V common ground
CE	control	Charge Enable, active low. Pull high to disable charging; pulled low by default through 10K.
THERM	sense	Optional external 10k NTC thermistor input after cutting the THERM jumper; thermistor also connects to battery negative lead.
PGOOD	status	Power Good status, active low open-drain output. Pulls to GND when a valid input source is connected.
CHG	status	Charge status, active low open-drain output. Pulls to GND while the battery is charging.
D+	data	USB data line from the USB socket for optional pass-through use with VBUS and GND.
D-	data	USB data line from the USB socket for optional pass-through use with VBUS and GND.

Pinout

Start wiring

Power

Batteries

Connectors

Displays