BQ24259
Description
The bq24259 is a highly-integrated switch-mode battery charge management and system power path management device for 1 cell Li-Ion and Li-polymer battery in a wide range of smart phone and tablet applications.
Key Features
- 90% High Efficiency Switch Mode 2-A Charger
- 3.9-V to 6.2-V Single Input USB-pliant
- USB OTG with Adjustable output 4.55 V to 5.5 V
- Narrow VDC (NVDC) Power Path Management
- 1.5-MHz Switching Frequency for Low Profile 1.2mm Inductor
- I2C port for optimal system performance and status reporting
- Safety – Battery Temperature Sensing for Charging and Discharging in OTG Mode – Battery Charging Safety Timer
- Charge Status Outputs for LED or Host Processor
- Maximum power tracking capability by input voltage regulation
- 20-µA Low Battery Leakage Current and Support Shipping Mode
Applications
- Tablet PC, Smart Phone, Internet Devices