Fs4059c is a 5V input boost charging 12.6v1.2a. Inputting a small current to three lithium battery charging chips will not pull it dead. The temperature is 60 ° and 1000-1100ma is recommended

FS4059C yes 5V Input boost charge 12.6V1.2A Charge three lithium batteries with chips   Low input current will not pull dead , temperature 60° Suggest 1000-1100MA belt NTC Thermal temperature current protection .

FS4059C Is a 5V Input , Maximum 1.2A Charging current , Support three lithium batteries in series application , Boost charge management of lithium ion battery IC.FS4059C Integrated power MOS, Asynchronous switch architecture is adopted , So that it only needs a little The peripherals of , Can effectively reduce the size of the overall program , Reduce BOM cost .FS4059C The operating frequency of the boost switch charging converter is 500KHz, The conversion efficiency is 90%.FS4059C The input voltage is 5V, Built in adaptive loop , The intelligent charging current can be adjusted , Prevent pull adapter output to match all adapters .

FS4059C use 8 Pin ESOP8L Package type for customers to choose , Its rated operating temperature range is -40℃ to 85℃.

● Boost charging efficiency 91%
● Constant voltage charging voltage, external resistance adjustable
● Automatically adjust the input current , Prevent pulling on the adapter
● Output overvoltage short circuit protection
● Input undervoltage short circuit protection
● Chip over temperature protection
● Support LED State of charge indication
● power MOS built-in
● 500KHz Switching frequency
● ESD 4KV
FS4059C applications
● Mobile phone
● Digital camera
● MP3,MP4 player
● Bluetooth applications
● Portable devices

● NTC

●  Working voltage 3.5~18V