| Protection Circuit Module Specifications For 4S Li-ion/LiFePO4 Battery Pack |
| Model: SBS-S4A10-LI or SBS-S4A10-LFP |
| No. |
Test item |
Criterion |
| No. |
Communication Interface |
SMBus |
| 1 |
Capacity |
Default battery capacity (PCM) |
10Ah |
| Max capacity (Battery pack) |
32Ah |
| Min capacity (Battery pack) |
1Ah |
| External capacity Indication |
LCD,LED,SOC |
| Gas gauge algorithm |
CEDV |
| 2 |
Voltage |
Charging voltage |
Li-ion: CC/CV: 16.8V (4.2V/1S); LiFePO4: CC/CV: 14.4V (3.6V/1S);
|
| Balance window (each series connection) |
50mV±10% |
| Balance release voltage (each series connection) |
20mV±10% |
| Balance detection delay time (each series connection) |
0.5-2s
|
| 3 |
Current |
Balance current for each series connection |
Li-ion: 66mA±5mA; LiFePO4: 56mA±5mA;
|
| Normal operating-mode current (Gas Gauge IC), average |
50μA |
| SLEEP operating-mode current (Gas Gauge IC), average |
200μA |
| FULL SLEEP operating-mode current (Gas Gauge IC), average |
1μA |
| Maximal continuous charging current |
10A |
| Maximal continuous discharging current |
10A |
| 4 |
Over charge Protection (each series connection) |
Over charge detection voltage |
Li-ion: 4.25±0.025V; LiFePO4: 3.80±0.05V;
|
| Over charge detection delay time |
1S-2S |
| Over charge release voltage |
Li-ion: 4.05±0.05V; LiFePO4: 3.55±0.05V;
|
| 5 |
Over discharge protection (each series connection) |
Over discharge detection voltage |
Li-ion:2.50±0.07V; LiFePO4: 2.0±0.05V; |
| Over discharge detection delay time |
1S-2S |
| Over discharge release voltage |
Li-ion: 3.0±0.1V; LiFePO4: 2.7±0.05V;
|
| 6 |
Over current protection |
Over current detection voltage |
0.2V±0.015V |
| Over current detection current |
40-50A |
| Detection delay time |
5ms-60ms |
| Release condition |
Cut load, Automatic recover |
| 7 |
Short protection |
Detection condition |
Exterior short circuit |
| Detection delay time |
200-800us |
| Release condition |
Cut load, Automatic recover |
| 8 |
Resistance |
Protection circuitry (MOSFET) B- TO P- |
≤30mΩ |
| 9 |
Temperature |
Charge temperature protection |
60±5°C |
| Charge release temperature |
50±5°C |
| Discharge temperature protection |
65±5°C |
| Discharge release temperature |
55±5°C |
| Operating Temperature Range |
-40 to +85°C |
| Storage Temperature Range |
-40 to +125°C |
| 10 |
Weight |
|
|
| 11 |
Dimenstion |
LxWxT |
Main board: 90x30 mm ; LED board: 53x13.5mm |
| 12 |
Specification in PDF |
 |
|
| 13 |
Interface (not included) |
MSP430F5529 USB 2.0 to SMBus Bridge Interface Evaluation Board |
Digikey: EV2400 |