Protection Circuit Module For 12.8V LiFePO4 Battery Pack

Model: PCM-L04S04-492(4S)

No.

Test item

Criterion

1

Voltage

Charging voltage

DC:14.4V (3.6V/1Cell)

Balance voltage for single cell

2

Current

Balance current for single cell

Current consumption for single cell

≤20μA

Maximal continuous charging and discharging current

4A

3

Over-charge Protection

Over charge detection voltage

3.90±0.025V

Over charge detection delay time

0.5S~1.5S

Over charge release voltage

3.80±0.025V

4

Over-discharge Protection

Over discharge detection voltage

2.0V/2.3V±0.08V

Over discharge detection delay time

0.5S~1.5S

Over discharge release voltage

2.7±0.05V

5

Over-Current Protection

Over current detection voltage

0.1V~0.3V

Over current detection current

5~50A

Detection delay time

5ms~15ms

Release condition

Cut load

6

Short Protection

Detection condition

Exterior short circuit

Detection delay time

200-500us

Release condition

Cut load

7

Resistance

Protection circuitry(B- to P-)

≤50mΩ

8

Temperature

Operating temperature range

-40~+85°C

Storage temperature range

-40~+125°C

9

Size

Φ25.8*3.5mm