Protection and USB data line handshaking enables charging for hand held devices.
Feature
- 90% High Efficiency Switch Mode 2-A Charger
- 3.9-V to 6.2-V Single Input USB-Compliant Charger with 6.4-V Over-Voltage Protection
- Input voltage and current limit supports USB 2.0 and USB 3.0
- Input Current Limit: 100 mA, 150 mA, 500 mA, 900 mA, 1 A, 1.5 A, 2 A
- USB OTG with Adjustable output 4.55 V to 5.5 V at 1 A or 1.5 A
- Fast OTG Startup (22 ms Typical)
- 90% 5-V Boost Mode Efficiency
- Accurate ±15% Hiccup Mode Overcurrent Protection
- Narrow VDC (NVDC) Power Path Management
- Instant System On with No Battery or Deeply Discharged Battery
- Ideal Diode Operation in Battery Supplement Mode
- 1.5-MHz Switching Frequency for Low Profile 1.2-mm Inductor
- I2C port for optimal system performance and status reporting
- Autonomous Battery Charging with or without Host Management
- Battery Charge Enable
- Battery Charge Preconditioning
- Charge Termination and Recharge
- High Accuracy
- ±0.5% Charge Voltage Regulation
- ±7% Charge Current Regulation
- ±7.5% Input Current Regulation
- ±3% Output Voltage Regulation in USB OTG Boost Mode
- High Integration
- Power Path Management
- Synchronous Switching MOSFETs
- Integrated Current Sensing
- Bootstrap Diode
- Internal Loop Compensation
- Safety
- Battery Temperature Sensing for Charging and Discharging in OTG Mode
- Battery Charging Safety Timer
- Thermal Regulation and Thermal Shutdown
- Input and System Over-Voltage Protection
- MOSFET Over-Current Protection
- 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
- 4-mm × 4-mm VQFN-24 Package
