Adafruit MAX17048 Shield

Overview

The Adafruit MAX17048 Fuel Gauge Shield features an Analog Devices MAX17048 Fuel Gauge and two STEMMA QT connectors. It measures voltage and state-of-charge of a lithium ion or lithium polymer cell.

Adafruit MAX17048 Shield (Credit: Adafruit)

Requirements

This shield can be used with boards which provide an I2C connector, for example STEMMA QT or Qwiic connectors. The target board must define a zephyr_i2c node label. See Shields for more details.

Pin Assignments

Shield Pin	Function
SCL	I2C SCL
SDA	I2C SDA
INT	Interrupt output
QStart	Quick-start reset input

See maxim,max17048 for documentation on how to adjust the devicetree file.

Programming

Set --shield adafruit_max17048 when you invoke west build. For example when running the Fuel Gauge sample:

# From the root of the zephyr repository
west build -b adafruit_feather_canbus_rp2040 --shield adafruit_max17048 samples/drivers/fuel_gauge
west flash