2s 3A BMS for 7.2V 7.4V Li-ion/Lithium/Li-Polymer 6V 6.4V LiFePO4 Battery Pack with I2c Protocol and NTC Size L35*W17.5*T3mm (PCM-L02S02-F64)
Product Description
Product name:Protection Circuit Module
Model No:PCM-L02S02-F64
For 2S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Suitable for 2 section Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs;
2. Maximum continuous working current 3A, same interface for charging/discharging;
3. Overcharge, overdischarge, short circuit, overcurrent, temperature protection, etc.;
4. Ti BQ27541 is adopted,Can read voltage, capacity, current, temperature, cycle times and other parameters;
| 7.4V(2S) Li-ion battery PCM SEPCIFICATION | |||
| NO. | Test under 25 ºC | Criterion | |
| 1 | Voltage | Charging voltage(2S) | DC:8.4V CC/CV(4.2V/1Cell) |
| 2 | Voltage | Designing battery capacity(2S3P) | 5.2Ah |
| Max capacity(Battery pack) | 8000mAh | ||
| 3 | Electric current | Current consumption (software) | <600uA |
| Current consumption (Sleep Current) | <200uA | ||
| Maximal continuous charging current | 3a(Max) | ||
| Maximal continuous discharging current | 3a(Max) | ||
| 4 | Overcurrent protection | Over charge detection current | 4000mA |
| Detection delay time | 1s | ||
| Over discharge detection current | 5000mA | ||
| Detection delay time | 1s | ||
| 5 | Overcurrent protectio | Over charge detection current | 4500mA |
| Detection delay time | 2s | ||
| Over discharge detection current | 5500mA | ||
| Detection delay time | 2s | ||
| recovery delay | 8s | ||
| 6 | Overcharge protection | Over charge detection voltage | 4.35±0.025V |
| Over charge detection delay time | 1S | ||
| Over charge release voltage | 4.075±0.05V | ||
| The overcharge test recovery delay time | 2s | ||
| 7 | Single over discharge | Over discharge detection voltage | 2.4±0.1V |
| Over discharge detection delay time | 1s | ||
| Over discharge release voltage | 3.0±0.05V | ||
| 8 | One pole protection, battery | Over charge detection voltage | 8.5V |
| Over charge detection delay time | 1s | ||
| Over charge release voltage | 8.15V | ||
| 9 | Two pole protection, battery | Over charge detection voltage | 9.0V |
| 10 | Battery pack, over discharge | Over discharge detection voltage | 5.6V |
| Over discharge detection delay time | 1s | ||
| Over discharge release voltage | 6V | ||
| Over discharge detection delay time | 0s | ||
| 11 | Short circuit protection | Detection condition | P+,P- short circuit |
| Detection delay time | 200-500us | ||
| Release condition | Cut load | ||
| 12 | Short circuit protection | Protection circuitry | ≤100mΩ |
| 13 | First level protection, over | charge | 50ºC±5ºC |
| The charge delay time | 2s | ||
| Over temperature release charging | 45ºC±5ºC | ||
| discharge | 60ºC±5ºC | ||
| discharge delay time | 2s | ||
| discharge recovery delay time | 55ºC±5ºC | ||
| 14 | Two level protection, over | charge | 65ºC±5ºC |
| charge delay time | 0s | ||
| discharge | 75ºC±5ºC | ||
| over discharge delay | 0s | ||
| 15 | temperature | Operating Temperature Range | -20~+85ºC |
| Storage Temperature Range | -20~+125ºC | ||
| Dimension | L35*W17.5*T3mm | ||
| B+:Battery+ | |||
| B-:Battery- | |||
| SC:I2C clock line | |||
| SD:I2C data line | |||
| RT1:10K NTC | |||
| P+:Discharge+ | |||
| P-:Discharge- | |||