U6

MAX17050

Fuel Gauge WLP-9 (0.4 mm pitch)
Battery fuel gauge
Datasheet

About this component

The MAX17050 measures battery voltage, current through a sense resistor and temperature, and reports state of charge to the SoC over I2C. If it fails or loses its learned battery data, the console may show a wrong charge percentage, refuse to boot on a good battery, or report no battery. It is a tiny 9-bump wafer-level part next to the battery connector, so it is easily damaged by careless prying or liquid.

What it does on this board

Monitors battery state of charge.

Pinout & readings

No pinout or reference readings yet — these show what each pin does and what a healthy part should measure. Check the datasheet meanwhile.

Other components on Nintendo Switch (V1 / V2)