Product features:
The protection board uses the imported rechargeable lithium iron phosphate battery protection IC;
1) built in high precision voltage detection circuit;
2) the terminal of the charger is using high voltage device;
3) built in the 3 section over current detection circuit
(over current 1, over current 2, load short circuit);
4) through the MOS tube can control the battery charge and discharge;
5) low standby consumption current.
6) w/Balance circuit.
Main function:
Over charging protection, over discharge protection, short circuit protection, over current protection function.
Balance function.
Product Usage:
4 string LiFe iron lithium-ion phosphate rechargeable battery pack.
Technical parameter:
No. | Test item | Criterion |
1 | Voltage | Charging voltage | DC:18V CC/CV |
Balance voltage for single cell | 4.2v |
2 | Current | Balance current for single cell | 42mA |
Current consumption | ≤8μA |
Maximal continuous charging current | N/A |
Maximal continuous Discharging current | 8A |
3 | Over charge Protection | Over charge detection voltage | 4.35±0.025V |
Over charge detection delay time | 0.5S~1.5S |
Over charge release voltage | 4.15±0.05V |
4 | Over discharge protection | Over discharge detection voltage | 2.7±0.080V |
Over discharge detection delay time | 50~150mS |
Over discharge release voltage | 3.0V±0.1V |
5 | Over current protection | Over current detection voltage | 200±30mV |
Over current detection current | 28±1A |
Detection delay time | 5-15ms |
Release condition | Cut load, self-recover |
6 | Short Circuit protection | Detection condition | Exterior short circuit |
Detection delay time | 200~500us |
Release condition | Cut load, self-recover |
7 | Resistance | Protection circuitry(MOSFET) | ≤8mΩ |
8 | Temperature | Operating Temperature Range | -40~+50℃ |
Storage Temperature Range | -40~+125℃ |
Board size: 50*21*2.8mm
Packing included:
1pcs x Protection Board w/Balance