Project | Symbol | The detailed content | LFP Standard | NCM Standard |
Overcharge protection | VDET1 | Single overcharge detection voltage | 3.65V±0.025V | 4.25V±0.03V |
tVDET1 | Overcharge detection delay time | 1.5s(MAX) | 1.5s(MAX) | |
VREL1 | Single overcharge release voltage | 3.45V±0.05V | 4.15V±0.03V | |
Cell balance | VBU | Cell-balance detection voltage | 3.60V±0.025V | 3.6V±0.03V |
VBL | Cell-balance release voltage | 3.60V±0.025V | 3.59V±0.04V | |
IB | Balance current | 70mA±10mA | 80mA±20mA | |
Over-discharge protection | VDET2 | Single over-discharge detection voltage | 2.50V±0.10V | 2.70V±0.1V |
tVDET2 | Overdischarge detection delay time | 1.5s(MAX) | 1.5s(MAX) | |
VREL2 | Single overdischarge release voltage | 3.00V±0.1V | 3.0V±0.1V | |
Over current protection |
IDP1 | Level 1 overcurrent protection current | 60A±10A | 60A±10A |
tVDET1 | Detection delay time | 1.0s(MAX) | 1.0s(MAX) | |
IDP2 | Level 2 overcurrent protection current | / | / | |
tVDET2 | Detection delay time | / | / | |
Short circuit protection | Exterior short circuit | yes | yes | |
TSHORT | Detection delay time | 1000us(MAX) | 1500us(MAX) | |
Protection of release condition | Disconnecting the load or charge | Disconnecting the load | ||
Resistance | RDS | Main loop resistance | B-至P- RDS≤20mΩ | B-至P- RDS≤20mΩ |
Current consumption | IDD | Internal consumption during operation of the circuit | ≤60μA | ≤60μA |
Charging maximum Voltage | VDS | Charging port connected to the charger maximum withstand voltage value | DC60V | DC60V |
Chip maximum Voltage | VDS | Input voltage between each string battery node VDD-VSS | DC5V | DC5V |
Continuous Discharge Current | Sustainable discharge current | 20A | 20A | |
Continuous charge current | Sustainable charging current | 20A | 20A | |
Rated current temperature Mosfet | Rated current discharge MOSFET surface temperature | <40° | <40° | |
Temperature control switch | Close the charging and discharging function at above rated temperature | Charging 50℃ Discharging 75℃ | Charging 50℃ Discharging 75℃ | |
Charging reverse protection | When charging, avoid the positive polarity and negative polarity reversal of charging | NO/NO | NO/NO | |
PCB Size | PCB Length, Width, Thickness | ≦75*42*7mm | ≦75*42*7mm |