ETA9640 Overview
The ETA9640 is a fully integrated power management unit specifically designed for Power Bank, Mobile Charger, Backup Battery Charger applications. It consists of a high efficiency synchronous step-up boost converter and a linear battery charger. The boost can provide up to 1A output current at 5V of from a Li-Ion battery input voltage, while the charger can charge up to 1A of current from an AC adapter input.
ETA9640 Key Features
- 2in 1: A Synchronous boost plus A Charger
- Short-circuit Protection
- 5W Output Power for the Boost
- Boost Output to Input Reversed Current Protection
- Up to 1A Charging
- Up to 96% Efficiency during Boosting
- 100μA No load IQ
- Programmable Charging Current