10pcs 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 charging
The 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 charging
2. Built-in power MOSFET, switch mode, low device heat, simple external
3. Programmable charge current, 0.1-2A
4. Programmable precharge current, 10%-100%
5. No need for an external anti-sinking schottky diode
6. Wide operating voltage up to 18V
7. Red and green LED charge status indication
8. Chip temperature protection, over-current protection, under-voltage protection
9. Battery temperature protection, reverse battery shutdown, short circuit protection
10. Switching frequency 400KHz, available inductance 20uH and above
11. PWR_ 0N-power, battery-powered switching control
12. Less than 1% charge voltage control accuracy
13. Trickle, constant current, constant voltage three-stage charging to protect the battery
14. Using QFN16 4mm*4mm ultra small package
Absolute maximum rating
1. Static input supply voltage (vin):20V
2. BAT:-8.4V~20V
3. BAT short circuit duration:continuous
4. Maximum junction temperature:120→
5. Working environment temperature range:-40→~85→
6. Storage temperature range:-65→~125→
7. Pin temperature (welding time 10 seconds):260’→
Application
Portable devices, various chargers, smart phones, PDA, mobile cellular phones, MP4 or MP5 players, tablet PC, model airplanes, power tools, intercoms
Package included
10 X TP5100 charging board