TPS65200
Key Features
- 1 Battery Switching Charger, WLED Driver, and Current Shunt Monitor in a Single Package
- Battery Charger - Charges Faster Than Linear Chargers - High-Accuracy Voltage and Current Regulation - Input Current Regulation Accuracy: ±5% (100 mA, 500 mA) - Charge Voltage Regulation Accuracy: ±0.5% (25°C) ±1% (0 - 125°C) - Charge Current Regulation Accuracy: ±5% - Bad Adaptor Detection and Rejection - Safety Limit Register for Maximum Charge Voltage and Current Limiting - High-Efficiency Mini-USB/AC Battery Charger for Single-Cell Li-Ion and Li-Polymer Battery Packs - Built-In Input Current Sensing and Limiting - Integrated Power FETs for Up to 1.25-A Charge Rate - Programmable Charge Parameters through I2C Interface (Up to 400 Kbps): - Input Current - Fast-Charge/Termination Current - Charge Voltage (3.5 V - 4.44 V) - Safety Timer - Termination Enable - Synchronous Fixed-Frequency PWM Controller Operating at 3 MHz With 0% to 99.5% Duty Cycle - Safety Timer With Reset Control - Reverse Leakage Protection Prevents Battery Drainage - Thermal Regulation and Protection - Input/Output Overvoltage Protection - Automatic Charging - Boost Mode Operation for USB OTG - Input Voltage Range (VSYS): 2.5 V to 4.5 V - Output Voltage for VBUS: 5 V
- WLED Driver - 35-V Open LED Protection for Up to 8 LEDs - 200-mV Reference Voltage With ±2% Accuracy - Built-In Soft Start for WLED Boost 1 - Up to 90% Efficiency
- Current Shunt Monitor - Fixed Gain of 25 V/V - Input Referred Offset Voltage Less Than ±40 µV Typical Enables Use of Shunt Resistors as Low as 20 mΩ - Buffered Reference Voltage
- Package - 36-Ball, 0.4-mm Pitch DSBGA Package
