FAN54300— USB-Compliant, Dual-Power Input, Single-Cell, Li-Ion Switching Charger with USB-OTG Boost Regulator
August 20...
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...