PCA9420 Overview
The PCA9420 is a highly integrated Power Management IC (PMIC), targeted to provide a full power management solution for low-power microcontroller applications or other similar applications. The device consists of a linear battery charger capable of charging up to 315 mA current. It has an I2C programmable Constant Current (CC) and Constant Voltage (CV) values for flexible configuration.
PCA9420 Key Features
- Linear battery charger for charging single cell li-ion battery
- 20 V tolerance on VIN pin
- Programmable input OVP (5.5 V or 6 V)
- Programmable constant current (up to 315 mA) and pre-charge low voltage current threshold
- Programmable constant voltage regulation
- Programmable automatic recharge voltage and termination current threshold
- Built-in protection features such as input OVP, battery SCP, thermal protection
- JEITA pliant
- Battery attached detection
- Over-temperature protection