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 |