Protection Circuit Module (PCM) for 3.7V Li-Ion Battery (3A limit) with I2C
Parameters
| Protection Circuit Board Specifications For 3.6V/3.7V Li-ion/Li-po Battery Pack | ||||
| Model: PCB-S1A3-I2C IC (BQ27541), I2C | ||||
| No. | Test item | Criterion | ||
| 1 | Voltage | Charging voltage | DC: 4.2V CC/CV | |
| Balance voltage for single cell | N/A | |||
| 2 | Current | Normal operating-mode current: Gas Gauge in NORMAL mode,ILOAD > Sleep Current | 150μA | |
| SLEEP operating-mode current: Gas Gauge in SLEEP mode,ILOAD < Sleep Current | 80μA | |||
| FULL SLEEP operating-mode current: Gas Gauge in FULL SLEEP mode,ILOAD < Sleep Current | 250μA | |||
| Maximal continuous Charging current | 3A | |||
| Maximal continuous discharging current | 3A | |||
| 3 | Over charge Protection (single cell) |
Over charge detection voltage | 4.25±0.025V | |
| Over charge detection delay time | 0.5S-2.0S | |||
| Over charge release voltage | 4.05±0.05V | |||
| 4 | Over discharge protection (single cell) |
Over discharge detection voltage | 2.50±0.07V | |
| Over discharge detection delay time | 10-30mS | |||
| Over discharge release voltage | 3.0±0.1V | |||
| 5 | Over current protection | Over current detection voltage | 0.2V±0.015V | |
| Over current detection current | 5±1A | |||
| Detection delay time | 5ms-20ms | |||
| Release condition | Cut load | |||
| 6 | Short protection | Detection condition | Exterior short circuit | |
| Detection delay time | 100-600us | |||
| Release condition | Cut load | |||
| 7 | Resistance | Protection circuitry（B- TO P-） | ≤50mΩ | |
| 8 | Temperature | Operating Temperature Range | -40～+85℃ | |
| Storage Temperature Range | -40～+125℃ | |||
| 9 | Weight | |||
| 10 | Dimenstion | LxWxT | 56 x 5 x 3 mm | |
