10s 11s 12s 13s 14s 15s 50a BMS for 54V 55.5V Li-ion/Lithium/Li-Polymer 45V 48V LiFePO4 Battery Pack with Smbus and Bluetooth
Product Description
Technical parameter
Product name:Protection Circuit Module
Model No:PCM-L15S50-H52
For 10~15S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Suitable for 10-15 series Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs;
2. The scheme adopts BQ78350+BQ76940;
3. Charging/discharging at the same port, maximum continuous working current 50a;
4. SMBus communication protocol;
5. Support maximum capacity 320Ah battery string;
6. Programmable protection: current, voltage, temperature;
| 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/Bluetooth | |
| 2 | Capacity | Designing battery capacity(PCM) | 100Ah |
| Max capacity(Battery pack) | 320Ah | ||
| Min capacity(Battery pack) | 100mAh | ||
| External capacity Indication | LCD,LED,SOC | ||
| Gas gauge algorithm | CEDV algorithm | ||
| 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 | 50a(Max) | ||
| Maximal continuous discharging current | 50a(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 | 130±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 | L210*W63*T13mm | ||
| B+:Battery+ | |||
| B-:Battery- | |||
| SMBD:SMBus data line | |||
| SMBC:SMBus clock line | |||
| P+:discharge+ | |||
| P-:discharge- | |||
| SW2:Power display switch button | |||
| RT1,RT2,RT3:NTC | |||
| CH+:Charge+ | |||
| CH-:Charge- | |||