The TPS65200 device integrates a high-efficiency, USB-friendly switched-mode charger with OTG support for single-cell Li-ion and Li-polymer batteries, D+D- detection, a 50-mA fixed-voltage LDO, a high efficiency WLED boost converter, and high-accuracy current-shunt monitor into a single chip.
Features
• 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
