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Model Number : BAKTH-3S4P-BQ-V1.0
Place of Origin : Guangdong
Brand Name : BAKTH
Packaging Details : meet IATA
Supply Ability : 180000 Piece/Pieces per Month
Price : CN¥147.81/pieces
Type : smart electronics pcba
Supplier Type : PCM for battery pack
Application : battery pack
Cell Over charge voltage : 4.250V±0.025V
Cell Under discharge voltage : 2.750V±0.025V
Over current : 8A±0.2A
Over temperature : 65±3℃
continuous current : 5.0A
Size : 82*17*2.5mm±0.5mm
Impedance : ≤60mΩ
Current consumption : ≤800uA
Voltage(No -load) : ±0.5%
Port : Shenzhen/Hongkong
Smart PCB circuit board Printed Circuit Board/PCBA assembly BMS 3S4P for li ion battery pack
2.1 Basic protection item for PCM
NO | Items |
Protection condition | Delay time | Release condition | ||
1 | Cell Over charge voltage Cell | 1st level safty | 4.250V±0.025V | 2.0s±0.5s | 4.08±0.050V | |
|
| 2nd level safty | 4.35V±0.050V | 2.0s±0.5s | permanent fail | |
2 | Cell Under discharge voltage | 1st level safty | 2.750V±0.025V | 2.0s±0.5s | 3.000±0.050V | |
|
| SUV Threshold | 2.000V±0.025V | 5.0s±0.5s | permanent fail | |
3 | Over current | OCC1 Threshold | 8A±0.2A | 3.0s±0.5s | -50mA/5s | |
|
| OCC2 Threshold | 10A±0.2A | 2.0s±0.5s | -50mA/5s | |
|
| OCD1 Threshold | 8A±0.2A | 3.0s±0.5s | 0mA/10s | |
|
| OCD2 Threshold | 10A±0.2A | 2.0s±0.5s | 0mA/10s | |
|
| AOLD Threshold | 30.0A±3.0A | 10ms-30ms | 0mA/5s | |
|
| ASCC Threshold | 54.00A±5.0A | 350uS-600us | 0mA/5s | |
|
| ASCD1 Threshold | 54.0A±5.0A | 800uS-1000us | 0mA/5s | |
|
| ASCD2 Threshold | 66A±5.0A | 300uS-600us | 0mA/5s | |
4 | Over temperature | OTC Threshold | 65±3℃ | 2.0s±0.5s | 60±3℃ | |
|
| OTD Threshold | 70±3℃ | 2.0s±0.5s | 60±3℃ | |
|
| OTF Threshold | 90±3℃ | 2.0s±0.5s | 80±3℃ | |
|
| UTC Threshold | -3±3℃ | 2.0s±0.5s | -0±3℃ | |
|
| UTD Threshold | -25±3℃ | 2.0s±0.5s | -20±3℃ | |
5 | Charge Balanced
| Cell Balance Threshold | 3.600±0.050V | |||
|
| Balanced Cell Balance Window
| 100mV | |||
|
| Cell Balance Min | 40mV | |||
|
| Cell Balance Interval | 20s | |||
6 |
continuous current | Charge current
| 5.0A | |||
|
| discharging current
| 5.0A | |||
7 | (L*W*H)Size | 82*17*2.5mm±0.5mm |
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3S4P BMS PCB PCM Smart PCB Circuit Board PCBA For Li Ion Battery Pack Images |