3s 4s 35a BMS for 14.4V 14.8V Li-ion/Lithium/ Li-Polymer 12V 12.8V LiFePO4 Battery Pack with Smbus Protocol and Ntc
Product Description
Technical parameter
Product name:Protection Circuit Module
Model No:PCM-L04S35-E51
For 3~4S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Suitable for 3~4 section Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs;
2. Maximum continuous working current 35A, same interface for charging/discharging;
3. Overcharge, overdischarge, short circuit, overcurrent, temperature protection, etc.;
4. Ti BQ4050/BQ40Z50 is adopted,Can read voltage, capacity, current, temperature, cycle times and other parameters;
5. Through the PCM-LCD001-415 display screen, the required information can be read;
6. Support SMBus protocols;
| Items | Specifications | |||
| Lithium-ion/Lithium Polymer | LiFePO4 | |||
| Communication Interface | SMBUS | |||
| Capacity | Designing battery capacity(4S1P) | 50Ah | ||
| Max capacity(Battery pack) | 32000mAh | |||
| Min capacity(Battery pack) | 1000mAh | |||
| External capacity Indication | LCD,LED,SOC | |||
| Gas gauge algorithm | CEDV | |||
| Voltage | Charging voltage (4S) | CC/CV:16.8V(4.2V/Cell) | CC/CV:14.4V(3.6V/Cell) | |
| Cell-balance window | 50mV±10% | |||
| Cell-balance release voltage | 20mV±10% | |||
| Cell-balance detection delay time | 0.5~2s | |||
| Current | Balance current for single cell | 66mA±5mA | 56mA±5mA | |
| Normal operating-mode current (Gas Gauge IC) | 800 uA | |||
| SLEEP operating-mode current (Gas Gauge IC) | 200 uA | |||
| FULL SLEEP operating-mode current (Gas Gauge IC) | 1 uA | |||
| Maximal continuous charging current | 35a(Max) | |||
| Maximal continuous discharging current | 35a(Max) | |||
| Over charge Protection | Over charge detection voltage | 4.25±0.025V | 3.80±0.05V | |
| Over charge detection delay time | 1~2S | 1~2S | ||
| Over charge release voltage | 4.05±0.05V | 3.55±0.05V | ||
| Over discharge protection | Over discharge detection voltage | 2.5±0.07V | 2.00±0.05V | |
| Over discharge detection delay time | 1~2S | 1~2S | ||
| Over discharge release voltage | 3.0±0.1V | 2.7±0.05V | ||
| Over current protection | Over current detection voltage | 0.2±0.015V | ||
| Over current detection current | 95±10a(can adjust) | |||
| Detection delay time | 5~60ms | |||
| Release condition | Cut load | |||
| Short protection | Detection condition | Exterior short circuit | ||
| Detection delay time | 200-800us | |||
| Release condition | Cut load | |||
| Resistance | Protection circuitry (MOSFET)B- to P- | ≤20mΩ | ||
| Temperature protection | Charge temperature protection | 60ºC±5ºC | ||
| Charge release temperature | 50ºC±5ºC | |||
| Discharge temperature protection | 65ºC±5ºC | |||
| Discharge release temperature | 55ºC±5ºC | |||
| Operating Temperature Range | -40~+85ºC | |||
| Storage Temperature Range | -40~+125ºC | |||
| Dimension | L100*W60*T3.5mm | |||
| B+:Battery+ | ||||
| B-:Battery- | ||||
| SD:SMBus data line | ||||
| SC:SMBus clock line | ||||
| RT1:NTC | ||||
| P+:Charge+/discharge+ | ||||
| P-:Charge-/discharge- | ||||