1s 3a BMS for 3.6V 3.7V Li-ion/Lithium/Li-Polymer 3V LiFePO4 Battery Pack with I2c Protocol Size L67.5*W12.3*T5mm (PCM-L01S03-834)
Product Description
Technical parameter
Product name:Protection Circuit Module
Model No:PCM-L01S03-834
For 1S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Suitable for 1 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;
5. With Secondary protection.
| No. | Test item (Test at normal temperature 25±2ºC and relative humidity≤90%) | Criterion | ||
| Lithium-ion/Lithium Polymer | LiFePO4 | |||
| 1 | Communication Interface | HDQ or I2C | ||
| 2 | Capacity | Designing battery capacity(PCM) | 5.2Ah | |
| External capacity Indication | None | |||
| Compensated End-of-Discharge Voltage | CEDV | |||
| 3 | Voltage | Charging voltage | DC: 4.2V CC/CV | DC: 3.6V CC/CV |
| 4 | Current | Normal operating-mode current (Gas Gauge IC) | 150 uA | |
| SLEEP operating-mode current (Gas Gauge IC) | 80uA | |||
| FULL SLEEP operating-mode current (Gas Gauge IC) | 25 uA | |||
| Maximal continuous charging current | 3a(Max) | |||
| Maximal continuous discharging current | 3a(Max) | |||
| 5 | Over charge Protection | Over charge detection voltage | 4.250 ± 0.025 V | 3.900 ± 0.025 V |
| Over charge detection delay time | 0.5~2S | |||
| Over charge release voltage | 4.150 ± 0.050 V | 3.800 ± 0.050 V | ||
| 6 | Over discharge protection | Over discharge detection voltage | 2.75 ± 0.080 V | 2.00 ± 0.080 V |
| Over discharge detection delay time | 10~30ms | |||
| Over discharge release voltage | 2.75 ± 0.080 V | 2.00 ± 0.080 V | ||
| 7 | Over current protection | Over current detection voltage | 0.20 ± 0.025 V | 0.10 ± 0.025 V |
| Over current detection current | 7±2a(adjustable) | |||
| Detection delay time | 5~20ms | |||
| Release condition | Cut load | |||
| 8 | Short protection | Detection condition | Exterior short circuit | |
| Detection delay time | 100-600us | |||
| Release condition | Cut load | |||
| 9 | Resistance | Protection circuitry(MOSFET) | ≤50mΩ | |
| 10 | Temperature | Operating Temperature Range | -40~+85ºC | |
| Storage Temperature Range | -40~+125ºC | |||
| Dimension | L67.5*W12.3*T5mm | |||
| B+:Battery+ | ||||
| B-:Battery- | ||||
| SDA:I2C Data interface | ||||
| SCL:I2C Clock interface | ||||
| P+:Charge+/discharge+ | ||||
| P-:Charge-/discharge- | ||||