BQ24261 Overview
The bq24260/bq24261/bq24261M/bq24262 is a highly integrated single-cell Li-Ion battery charger and system power path management device that supports operation from either a USB port or wall adapter supply.
BQ24261 Key Features
- 1 Charge Time Optimizer (Enhanced CC/CV Transition) for Faster Charging
- Integrated FETs for up to 3-A Charge Rate at 5% Accuracy and 93% Peak Efficiency
- Boost Capability to Supply 5 V at 1 A at IN for USB OTG Supply
- Integrated 17-mΩ Power-Path MOSFET and Optional BGATE Control to Maximize Battery Life and Instantly Start up From a Dee
- 30-V Input Rating With Overvoltage Protection Supports 5-V USB 2.0/3.0 and 12-V USB Power Delivery (bq24261/1M)
- Small Solution Size In a 2.4-mm × 2.4-mm 36-Pin WCSP or 4-mm × 4-mm 24-Pin QFN Package
- Total Charging Solution Can be 50 mm2 or Less With WCSP
- Safe and Accurate Battery-Management Functions Programmed Using I2C Interface
- Charge Voltage, Current, Termination Threshold, Input Current Limit, VIN_DPM Threshold
- Voltage-Based, JEITA-patible NTC Monitoring Input