Battery Protection Circuit Module (PCM) for 3.7V 1cells in series Li-ion/Li-Polymer Battery Packs
Features and Benefits
1.Battery management circuit board for 3.7V 1S Li-ion and Li-polymer battery pack;
2.BMS/PCB/PCM applies for 1 cells Li-ion/Li-polymer battery pack;
3.To prevent the battery packs from overcharge,overdischarge,over current, over temperature ,short circuit ;
4.The Maximal working current: 4.5A;
5.Compatible with both Li-ion and Li-Polymer cells.
Specifications
|
Item |
Content |
Criterion |
|
|
1 |
over charge protection voltage |
4.275±0.02V |
|
|
2 |
over charge recovery voltage |
4.175±0.03V |
|
|
3 |
over charge protection delay time |
800ms-1200ms |
|
|
4 |
over discharge protection voltage |
3.0±0.035V |
|
|
5 |
over discharge recovery voltage |
3.2±0.05V |
|
|
6 |
over discharge protection delay time |
100ms-150ms |
|
|
7 |
over current protection current |
5.5-10.5A |
|
|
8 |
short protection delay time |
8ms-14ms |
|
|
9 |
static self-consumption current |
I< 7.0uA |
|
|
10 |
PCB internal resistance |
R<75 mΩ |
Connection Diagram
