Customization: | Available |
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Metal Coating: | Copper |
Mode of Production: | SMT |
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Protection Circuit Module Specifications For 48V LiFePO4 Battery Packs | |||
No | Test item (Test at normal temperature 25±2ºC and relative humidity≤90%) |
Criterion | |
1 | Communication Interface | SMBUS/RS485/RS232/Bluetooth | |
2 | Capacity | Designing battery capacity(PCM) | 18650MJ1-15S4P(14Ah) |
Max capacity(Battery pack) | 320Ah | ||
Min capacity(Battery pack) | 100mAh | ||
External capacity Indication | LCD,LED,SOC | ||
Gas gauge algorithm | CEDV | ||
3 | Voltage | Charging voltage | DC: 54V CC/CV(3.6V/1cell) |
Cell-balance detection voltage (Charge balance) |
3.6V±0.03V | ||
Cell-balance release voltage | 3.5V±0.025V | ||
Cell-balance detection delay time | 0.96~1.4s | ||
4 | Current | Balance current for single cell | 84±5mA |
Current consumption for single cell | ≤20μA | ||
Normal operating-mode current (Gas Gauge IC) |
650uA | ||
SLEEP operating-mode current (Gas Gauge IC) |
300uA | ||
FULL SLEEP operating-mode current (Gas Gauge IC) |
0.1uA | ||
Maximal continuous charging current | 30a(Max) | ||
Maximal continuous discharging current | 30a(Max) | ||
5 | Over charge Protection | Over charge detection voltage | 3.900 ± 0.025 V |
Over charge detection delay time | 0.5S~1.5S | ||
Over charge release voltage | 3.600 ± 0.050 V | ||
6 | Over discharge protection | Over discharge detection voltage | 2.00 ± 0.080 V |
Over discharge detection delay time | 50~150ms | ||
Over discharge release voltage | 2.70 ± 0.100 V | ||
7 | Over current protectio | Over current detection voltage | 0.2±0.015V |
Over current detection current | 70±20a(can adjust) | ||
Detection delay time | 5~20ms | ||
Release condition | Cut load | ||
8 | Short protectio | Detection condition | Exterior short circuit |
Detection delay time | 200-800us | ||
Release condition | Cut load | ||
9 | Resistance | Protection circuitry (MOSFET) | ≤40mΩ |
10 | Temperatur | Operating Temperature Range | -40~+85ºC |
Storage Temperature Range | -40~+125ºC | ||
Dimension | L160*W60*T12mm | ||
B+:Battery+ | |||
B-:Battery- | |||
SMBD:SMBus data line | |||
SMBC:SMBus clock line | |||
P+:discharge+ | |||
P-:discharge- | |||
CH+:Charge+ | |||
CH-:Charge- |