NCP1855 Datasheet (ON Semiconductor) - Fully Integrated Li-Ion Switching Battery Charger

NCP1855, Fully Integrated Li-Ion Switching Battery Charger

Pin Name Type Description A1 IN A2 IN POWER POWER Battery Charger Input.

These two pins must be decoupled by at least 1 mF capacitor and connected together.

A3 SPM A4 SDA A5 SCL DIGITAL INPUT DIGITAL BIDIRECTIONAL DIGITAL INPUT System Power Monitor input.

I2C data line I2C clock line B1 CA

NCP1855 Features

* under software supervisibon. An optional battery FET can be placed between the system and the battery in order to isolate and supply the system. The NCP1855 junction temperature is monitored during charge cycle and both current and voltage can be modified accordingly through I2C setting. The charger