Description
The FAN54010 family (FAN5401X) combines a highly integrated switch-mode charger, to minimize single-cell Lithiumion (Li-ion) charging time from a USB power source, and a boost regulator to power a USB peripheral from the battery.
Features
â Fully Integrated, High-Efficiency Charger for Single-Cell Li-Ion and Li-Polymer Battery Packs
â Faster Charging than Linear
â Charge Voltage Accuracy: ±0.5% at 25°C ±1% from 0 to 125°C
â ±5% Input Current Regulation Accuracy
â ±5% Charge Current Regulation Accuracy
â 20V Absolute Maximum Input Voltage
â 6V Maximum Input Operating Voltage
â 1.45A Maximum Charge Rate
â Programmable through High-Speed I2C Interface (3.4Mb/s) with Fast Mode Plus Compatibility
â Input Current
â Fast-Charge / Termination Current
â Charger Voltage
â Termination Enable
â 3MHz Synchronous Buck PWM Controller with Wide Duty Cycle Range
â Small Footprint 1μH External Inductor
â Safety Timer with Reset Control
â 1.8V Regulated Output from VBUS for Auxiliary Circuits
â Weak Input Sources Accommodated by Reducing Charging Current to Maintain Minimum VBUS Voltage
â Low Reverse Leakage to Prevent Battery Drain to VBUS
â 5V, 500mA Boost Mode for USB OTG for 3.0 to 4.5V Battery Input
Applications
â Cell Phones, Smart Phones, PDAs
â Tablet, Portable Media Players
â Gaming Device, Digital Cameras
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