The PCA9420 is a highly integrated power management IC (PMIC), targeted to provide power management solution for low-power microcontroller applications or other similar
applications powered by Li-ion battery.
The device consists of a linear battery charger capable of charging up to 315 mA current with I2C programmable constant current (CC) and constant voltage (CV) values.
The device also integrates 2x buck converters, 2x LDOs with programmable output voltage.
The chip is offered in 2.09 mm x 2.09 mm, 5 x 5 bump, 0.4 mm pitch WLCSP package; and 3 mm x 3 mm, 24-pin QFN package.