8s 8A PCM BMS for 28.8V 29.6V Li-ion/Lithium/ Li-Polymer 24V 25.6V Battery Pack with Hdq or I2c Communication Protocol (PCM-L08S08-953)
Product Description
Technical parameter
Product name:Protection Circuit Module
Model No:PCM-L08S08-953
For 8S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Suitable for 8 section Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs;
2. Maximum continuous working current 8A, same interface for charging/discharging;
3. Overcharge, overdischarge, short circuit, overcurrent, temperature protection, etc.;
| Protection Circuit Module Specifications For 36V Li-ion/Li-Po Battery Pack | |||
| No | Test item (Test at normal temperature 25±2ºC and relative humidity≤90%) | Criterion | |
| 1 | Communication Interface | HDQ/I2C | |
| 2 | Capacity | Designing battery capacity(8S3P) | 8700mAh |
| Max capacity(Battery pack) | 290000mAh | ||
| Min capacity(Battery pack) | 100mAh | ||
| External capacity Indication | LCD,LED | ||
| Gas gauge algorithm | Impedance Track | ||
| 3 | Voltage | Charging voltage | DC: 33.6V CC/CV(4.2V/1cell) |
| Cell-balance detection voltage (Charge balance) | 4.2V±0.03V | ||
| Cell-balance release voltage | 4.2V±0.025V | ||
| Cell-balance detection delay time | 0.96~1.4s | ||
| 4 | Current | Balance current for single cell | 62±5mA |
| Normal operating-mode current (Gas Gauge IC) | 160 uA | ||
| SLEEP operating-mode current (Gas Gauge IC) | 80 uA | ||
| FULL SLEEP operating-mode current (Gas Gauge IC) | 25 uA | ||
| Maximal continuous charging current | 8A | ||
| Maximal continuous discharging current | 8A | ||
| 5 | Over charge Protection | Over charge detection voltage | 4.25±0.025V |
| Over charge release voltage | 4.05±0.05V | ||
| Over charge detection delay time | 10~200mS(can adjust) | ||
| 6 | Over discharge protection | Over discharge detection voltage | 2.5±0.07V |
| Over discharge release voltage | 3.3±0.1V | ||
| Over discharge detection delay time | 0.5~2S(can adjust) | ||
| 7 | Over current protection | Over current detection voltage | 0.2±0.015V |
| Over current detection current | 20±5A(can adjust) | ||
| Detection delay time | 5~60mS(can adjust) | ||
| Release condition | Cut load , | ||
| 8 | Short protection | Detection condition | Exterior short circuit |
| Detection delay time | 200-800us | ||
| Release condition | Cut load , | ||
| 9 | Resistance | Protection circuitry (MOSFET) | ≤50mΩ |
| 10 | Temperature | Operating Temperature Range | -40~+85ºC |
| Storage Temperature Range | -40~+125ºC | ||
| Dimension | L100*W45*T5mm | ||
| B+:Battery+ | |||
| B-:Battery- | |||
| SDA:Serial Data interface | |||
| SCL:Serial Clock interface | |||
| HDQ:Open drain HDQ Serial communication line (slave) | |||
| P+:Charge+/discharge+ | |||
| P-:Charge-/discharge | |||