5pcs TP5100 Single 4.2V / Dual 8.4V 2A Lithium Battery Charging Board

Parameter Size 25 17 5mm length width height Input voltage DC 5 18V actual 5 12V is appropriate Charging status full and no load blue light red during chargingThe voltage setting must be operated in the power off state and the switch must be disconnected before switching Can also be used for white LED constant current drive set a single lithium drive one set dual lithium drive two strings Characteristic 1 Dual single 8 4V 4 2V lithium battery charging2 Built in power MOSFET switch mode low device heat simple external3 Programmable charge current 0 1 2A4 Programmable precharge current 10 100 5 No need for an external anti sinking schottky diode6 Wide operating voltage up to 18V7 Red and green LED charge status indication8 Chip temperature protection over current protection under voltage protection9 Battery temperature protection reverse battery shutdown short circuit protection10 Switching frequency 400KHz available inductance 20uH and above11 PWR 0N power battery powered switching control12 Less than 1 charge voltage control accuracy13 Trickle constant current constant voltage three stage charging to protect the battery14 Using QFN16 4mm 4mm ultra small package Absolute maximum rating 1 Static input supply voltage vin 20V2 BAT 8 4V 20V3 BAT short circuit duration continuous4 Maximum junction temperature 120℃5 Working environment temperature range 40℃ 85℃6 Storage temperature range 65℃ 125℃7 Pin temperature weldin