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Protection Circuit Module Specifications For 25.9V Li-ion/Li-Po Battery Pack |
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Model：PCM-L07S30-F79 (LI-7S) |
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No. |
Test item（Test at normal temperature 25±2℃ and relative humidity≤90%） |
Criterion |
|
1 |
Communication Interface |
SMBUS |
|
2 |
Capacity |
Designing battery capacity（PCM ） |
mAh |
|
Max capacity（Battery pack） |
320000mAh |
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Min capacity（Battery pack） |
800mAh |
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External capacity Indication |
LCD,LED |
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Gas gauge algorithm |
IT (High accuracy) |
|
3 |
Voltage |
Charging voltage |
DC: 21V CC/CV（4.2V/1cell） |
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Cell-balance detection voltage（Charge balance） |
4.2V ±0.025V |
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Cell-balance release voltage |
4.2V ±0.025V |
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Cell-balance detection delay time |
0.5S—2S |
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4 |
Current |
Balance current for single cell |
42±3mA |
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Current consumption for single cell |
≤30μA |
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Normal operating-mode current（Gas Gauge IC） |
200 uA |
|
SLEEP operating-mode current（Gas Gauge IC） |
100 uA |
|
FULL SLEEP operating-mode current（Gas Gauge IC） |
30 uA |
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Maximal continuous charging current |
/ |
|
Maximal continuous discharging current |
30A |
|
5 |
Over charge Protection |
Over charge detection voltage |
4.25±0.025V |
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Over charge detection delay time |
0.5S—2S |
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Over charge release voltage |
4.05±0.05V |
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6 |
Over discharge protection |
Over discharge detection voltage |
2.5±0.07V |
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Over discharge detection delay time |
10—30mS |
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Over discharge release voltage |
3.0±0.1V |
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7 |
Over current protection |
Over charge detection current |
5A |
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Over current detection voltage |
0.2±0.015V |
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Over current detection current |
70±10A |
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Detection delay time |
5ms—15ms |
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Release condition |
Cut load |
|
8 |
Short protection |
Detection condition |
Exterior short circuit |
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Detection delay time |
200-800us |
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Release condition |
Cut load |
|
9 |
Resistance |
Protection circuitry（MOSFET） |
≤50mΩ |
|
10 |
Temperature |
Operating Temperature Range |
-40～+85℃ |
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Storage Temperature Range |
-40～+125℃ |
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Discharging Temperature Protection |
65℃ |
