FAN54300

FAN54300— USB-Compliant, Dual-Power Input, Single-Cell, Li-Ion Switching Charger with USB-OTG Boost Regulator August 2013 FAN54300 — USB-Compliant, Dual-Power Input, Single-Cell, Li-Ion Switching Charger with USB-OTG Boost Regulator Features  Fully Integrated, High-Efficiency Charger for Single-Cell Li-Ion and Li-Polymer Battery Packs  Accepts USB or Dedicated Power Input Source  5 V, 300 mA Boost Mode for USB OTG from 2.5 to 4.5 V Battery Input  Charge Voltage Accuracy: 0.5% at TA=25°C 1% from TA=0 to 125°C  5% USB Input Current Regulation Accuracy  5% Charge Current Regulation Accuracy  20 V Absolute Maximum Input Voltage  9.5 V Maximum Input Operating Voltage on VIN Pin, 6.5 V Maximum on VBUS Pin  Up to 1.5 A Maximum Charge Rate  Programmable Charge and Mode through High-Speed I2C Interface (3.4 Mb/s) with Fast Mode Plus Compatibility – Input Current – Fast-Charge / Termination Current – Charger Voltage – Safety Timer – Termination Enable  3 MHz Synchronous Buck PWM Controller with Wide Duty Cycle Range  Small Footprint, 1 H, External Inductors  Safety Timer with Reset Control  Weak Input Sources Accommodated by Reducing Charging Current to Maintain Minimum VBUS Voltage  Low Reverse Leakage from Battery Drain to VBUS or VIN  Programmable LED Drive for Charge Indication  Register and Slave Addresses Compatible with FAN540X and FAN542X Families Description The FAN54300 combines two highly integrated switch-mode chargers and a boost regulator to mini...