1S 3.7V Protection board
Product Introduction
1S 3.7V Protection board
| Test No. | Test item | Details | Criterion | |
| 1 | Voltage | Charging voltage | DC:4.2V CC/CV | |
| Balance voltage for single cell | / | |||
| 2 | Current | Balance current for single cell
Current consumption |
/
≤20μA |
|
| Maximal continuous charging current | 4A | |||
| Maximal continuous Discharging current | 4A | |||
| 3 | Over charge Protection | Over charge detection voltage for single cell | 4.275±0.025V | |
| Over charge detection delay time | 0.5S—2S | |||
| Over charge release voltage for single cell | 4.175±0.03V | |||
| 4 | Over discharge protection | Over discharge detection voltage for single cell | 3.0±0.035V | |
| Over discharge detection delay time | 50mS—150mS | |||
| Over discharge release voltage for single cell | 3.20±0.1V | |||
| 5 | Over current protection | Over current detection voltage | 0.15±0.015V | |
| Over current detection current | 7±1A | |||
| Detection delay time | 5ms—20ms | |||
| Release condition | Cut load | |||
| 6 | Short protection | Detection condition | Exterior short circuit | |
| Detection delay time | 200-500us | |||
| Release condition | Cut load | |||
| Resistance | Protection circuitry(MOSFET) | ≤60mΩ | ||
| 7 | Temperature | Operating Temperature Range | -40~+85℃ | |
| Storage Temperature Range | -40~+125℃ |