PCM-S1A3 3.7V3A Round

Protection Circuit Module (PCM) for 3.7V Li-ion (18650/18500) cell Battery (3.0A Limit)


Protection Circuit Board Specifications For 3.7V Li-ion/Li-PO Battery Pack
Model: PCM-S1A3
No. Test   item Criterion
1 Voltage Charging voltage DC: CC/CV 4.2V
2 Current Balance current for single cell
Current consumption for single cell ≤10μA
Maximal continuous Charging current 3A
Maximal continuous discharging current 3A
3 Over charge Protection Over charge detection voltage 4.25±0.25V
Over charge detection delay time 50-250mS
Over charge release voltage 4.10±0.05V
4 Over discharge protection Over discharge detection voltage 2.80±0.05V
Over discharge detection delay time 20-150mS
Over discharge release voltage 3.0±0.1V
5 Over current protection Over current detection voltage 150±30mV
Over current detection current 5.0A±1.0A
Detection delay time 5ms-25ms
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℃
Storage Temperature Range -40~+125℃
9 Weight 0.6Oz (0.01 grams)
10 Dimenstion Dia x T 16mm(0.63″) x 2.5mm(0.10″)
11 NTC   N/A

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