Fs4061a (5V USB input, double lithium battery series application, 5V boost charging, 8.4v Management IC

Summary

FS4061A Is a 5V Input , Support two lithium batteries in series , Boost charge management of lithium ion battery IC.FS4061A Asynchronous switch architecture is adopted , Only a few peripheral devices are needed in its application , Can effectively reduce the size of the overall program , Reduce BOM cost ,FS4061A The operating frequency of the boost switch charging converter is 250KHz Maximum 2A Input charging , The conversion efficiency is 90%,FS4061A The input voltage is 5V, Built in adaptive loop , The intelligent charging current can be adjusted , Prevent pulling and hanging . No reverse voltage breakdown IC. It is very suitable for all kinds of two series high-power output 8.4V Lithium battery charging products .

describe

10W,2A Input asynchronous switch boost charging

Boost charging efficiency 90%

The charging current is externally adjustable

Automatically adjust the input current , Match all adapters

Support LED State of charge indication

Built in power MOS

600KHz Switching frequency , Can support 2.2uH inductance

Output overvoltage , Short circuit protection

Input undervoltage , Over voltage protection

IC Over temperature protection

ESD 4KV

ESOP8 encapsulation

Range of application

Bluetooth speakers

Electronic cigarettes

small home appliances

Pin arrangement