BQ24271 Overview
The bq24270 and bq24271 are highly integrated single cell Li-Ion battery charger and system power path management devices targeted for space-limited, portable applications with high capacity batteries. The single cell charger has several input current limits which allow operation from either a USB port or higher power input supply (i.e. AC adapter or wireless charging input) for a versatile solution.
BQ24271 Key Features
- 23 High-Efficiency Switch Mode Charger with Separate Power Path Control
- Make a GSM Call with a Deeply Discharged Battery or No Battery
- Instantly Start up the System from a Deeply Discharged Battery or No Battery
- Highly Integrated Battery N-Channel MOSFET Controller for Power Path Management
- 20 V input rating, with 6.5 V Overvoltage Protection (OVP)
- Integrated FETs for Up to 1.5 A Charge Rate
- Safe and Accurate Battery Management Functions
- 0.5% Battery Regulation Accuracy
- 10% Charge Current Accuracy
- Charge Parameters Programmed Using I2C