Battery Management Systm (BMS) with Smbus Communication protocol for 4 cells in series Li-ion/Li-Polymer/LiFePO4 Battery Packs with Smbus
Features and Benefits
1.BMS for 4S 12.8V/14.8 LiFePO4/Li-ion battery pack;
2.BMS applies for 4 cells LiFePO4/Li-ion battery pack.
3.To prevent the battery packs from overcharge,overdischarge,over current, over temperature ,short circuit ;
4.Without cell balance/equilibrium function;
5.Compatible with LiFePO4/Li-ion cells;
6.BMS with Smbus communication
7.BMS comes with all the voltage detection wires and connectors.
Specifications
|
Item |
Contents |
Criteria (Adjustable) |
|
|
1 |
Model |
BD-0021-4S-V1.0 |
4S-30A working current |
|
2 |
Voltage |
Charging voltage |
12.8 or 14.8V |
|
3 |
Current |
Maximal continuous charging current |
30A |
|
Maximal continuous discharging current |
30A |
||
|
Current consumption |
≤50μA |
||
|
4 |
Overcharge Protection |
Over charge detection voltage |
?V±0.05V |
|
Over charge detection delay time |
1S |
||
|
Over charge release voltage |
?V±0.1V |
||
|
5 |
Over Discharge Protection |
Over discharge detection voltage |
?V±0.1V |
|
Over discharge detection delay time |
1S |
||
|
Over discharge release voltage |
?V±0.1V |
||
|
6 |
Over Current Protection |
Over current detection current / Voltage |
Adjustable |
|
Detection delay time |
700mS |
||
|
Release condition |
Cut load & charge to recover |
||
|
7 |
Short Circuit Protection |
Short circuit detection current |
Actual measurement |
|
Detection delay time |
360uS |
||
|
Detection condition |
Cut load & charge to recover |
||
|
8 |
Balance |
Balance voltage for single cell |
/ |
|
Balance current for single cell |
/ |
||
|
9 |
Temperature Protection |
Temperature Switch |
YES |
|
10 |
Communication Protocl |
Communication Protocl |
SMBus |
|
11 |
Resistance |
Inner resistance |
≤20mΩ |
|
12 |
Temperature |
Operating temperature range |
0 ~ +85°C |
|
Storage temperature range |
0 ~ +85°C |
||
|
13 |
Size (L*W*T) |
L63.7mm*W71.2mm*T12mm |
|