BQ24259 Overview
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. Its low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase. The I2C serial interface with charging and system...
BQ24259 Key Features
- 90% High Efficiency Switch Mode 2-A Charger
- 3.9-V to 6.2-V Single Input USB-pliant
- Input voltage and current limit supports USB
- Input Current Limit: 100 mA, 150 mA, 500 mA
- USB OTG with Adjustable output 4.55 V to 5.5 V
- Fast OTG Startup (22 ms Typical)
- 90% 5-V Boost Mode Efficiency
- Accurate ±15% Hiccup Mode Overcurrent
- Narrow VDC (NVDC) Power Path Management
- Instant System On with No Battery or Deeply Discharged Battery