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FAN54040

Fairchild Semiconductor
Part Number FAN54040
Manufacturer Fairchild Semiconductor
Description Li-Ion Switching Charger
Published Dec 12, 2014
Detailed Description FAN54040 - FAN54047— USB-OTG,1.55 A Li-Ion Switching Charger with Power Path and 2.3 A Production Test Support July 201...
Datasheet PDF File FAN54040 PDF File

FAN54040
FAN54040

Overview
FAN54040 - FAN54047— USB-OTG,1.
55 A Li-Ion Switching Charger with Power Path and 2.
3 A Production Test Support July 2013 FAN54040 — FAN54047 USB-OTG, 1.
55 A, Li-Ion Switching Charger with Power Path and 2.
3 A Production Test Support Features  Fully Integrated, High-Efficiency Charger for Single-Cell Li-Ion and Li-Polymer Battery Packs  Power Path Circuit Ensures Fast System Startup with a Dead Battery when VBUS is Connected  1.
55 A Maximum Charge Current  Float Voltage Accuracy: - 0.
5% at 25°C - 1% from 0 to 125°C  5% Input and Charge Current Regulation Accuracy  Temperature-Sense Input Prevents Auto-Charging for JEITA Compliance  Thermal Regulation and Shutdown  4.
2 V at 2.
3 A Production Test Mode  5 V, 500 mA Boost Mode for USB OTG  28 V Absolute Maximum Input Voltage  6 V Maximum Input Operating Voltage  Programmable through High-Speed I2C Interface (3.
4 Mb/s) with Fast Mode Plus Compatibility - Input Current - Fast-Charge / Termination Current - Float Voltage - Termination Enable  3 MHz Synchronous Buck PWM Controller with Wide Duty Cycle Range  Small Footprint 1 H External Inductor  Safety Timer with Reset Control  Dynamic Input Voltage Control  Very Low Battery Current when Charger Inactive Applications  Cell Phones, Smart Phones, PDAs  Tablet, Portable Media Players  Gaming Device, Digital Cameras All trademarks are the property of their respective owners.
© 2012 Fairchild Semiconductor Corporation FAN54040 – FAN54047 • Rev.
1.
0.
2 Description The FAN5404X family includes I2C controlled 1.
55 A USBcompliant switch-mode chargers with power path operation and USB OTG boost operation.
Integrated with the charger, the IC supports production test mode, which provides 4.
2 V at up to 2.
3 A to the system.
To facilitate fast system startup, the IC includes a power path circuit, which disconnects the battery from the system rail, ensuring that the system can power up quickly following a VBUS connection.
The power path circuit ensures that the...


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