Datasheet for the BPsemi BP2865E, a high-precision non-isolated buck LED constant current driver chip with integrated 500V power switch.
The BPsemi BP2865E is a high-precision non-isolated buck LED constant current driver chip designed for input voltages ranging from 85Vac to 265Vac. It operates in critical conduction mode and features an integrated 500V power switch, eliminating the need for an auxiliary winding for detection and supply. This design significantly reduces system cost and volume while achieving excellent constant current characteristics. This manual is written in Chinese.
| Input Voltage Range | 85Vac ~ 265Vac |
|---|---|
| Integrated Switch Voltage | 500V |
| Package Type | DIP7 |
| Operating Junction Temperature | -40 to 150 ℃ |
| Current Detection Threshold | 400 mV |
| Overheat Regulation Temperature | 150 ℃ |
The chip is suitable for a full range of input voltages from 85Vac to 265Vac.
No, the chip does not require an auxiliary winding for detection and supply.
It includes LED open/short protection, CS resistor short protection, undervoltage protection, and overheat regulation.