HM5801 Datasheet (H&M Semiconductor)

HM5801, PMU

The HM5801 is a integrated power management unit for small handheld portable applications.

It contains a single-cell Lithium Ion battery charger, a synchronous step-down DC-DC converter and 2 Low Dropout Regulators.

It allows charging from both wall adapter and USB port.

When charging from wall adap

HM5801 Features

* z Integrated switch for USB/AC Adapter supply z 120uA quiescent supply current(includes step-down DC-DC converters and two low dropout regulators) z Integrated single-cell lithium ion battery charger Auto thermal regulated Charging current up to 1.2 A Charging current adjusted by external resi