BQ25170 Overview
Description
The BQ25170 is an integrated 800-mA linear charger for 1-cell Li-Ion, Li-Polymer, and LiFePO4 batteries targeted at space-limited portable applications. The device has a single power output that charges the battery.
Key Features
- Input voltage up-to 30-V tolerant
- Automatic Sleep Mode for low power consumption – 350-nA battery leakage current – 85-µA input leakage current when charge disabled
- Supports 1-cell Li-Ion, Li-Poly, and LiFePO4
- External resistor programmable operation – VSET to set battery regulation voltage
- Li-Ion: 4.05 V, 4.1 V, 4.2 V, 4.35 V, 4.4 V
- LiFePO4: 3.5 V, 3.6 V, 3.7 V – ISET to set charge current from 10 mA to 800 mA
- High accuracy – ±0.5% charge voltage accuracy – ±10% charge current accuracy
