ETA4054 Overview
ETA4054 is a single cell, fully integrated constant current (CC)/constant voltage (CV) Li-ion battery charger. Its pact package with minimum external ponents requirement makes the ETA4054 ideal for portable applications. No external sense resistor or blocking diode is necessary for the ETA4054.
ETA4054 Key Features
- 16V standoff input voltage at VIN and BAT pins
- 4.2V charge termination voltage
- Charge current programmable, up to 1A
- No damage when battery reversely connected
- 25uA supply current when standby
- Soft-start limits in-rush current
- SOT23-5 Package