BP9832A Datasheet – LED Constant Current Driver IC – BPS

Part Number : BP9832A

Function : LED Constant Current Driver

Package : SOP 8 Pin type

Manufactures : Bright Power Semiconductor ( http://www.bpsemi.com/ )



BP9832A is a high-precision step-down LED constant current driver IC.
The chip operates in the inductor current critical continuous mode and is suitable for non-isolated step-down LED constant current power supplies with a full range of input voltages from 85Vac to 265Vac.

BP9832A chip integrated 500V power switch, the use of patented drive and current detection mode, the chip’s current is very low, no auxiliary winding detection and power supply, only a few external components, can achieve excellent constant current characteristics, Of the system cost and volume savings.




1. Inductor current critical continuous mode
2. Internal integrated 500V power tube
3. No auxiliary winding detection and power supply
4. Chip ultra-low operating current
5. Wide input voltage
6. ± 5% LED output current accuracy
7. LED open-circuit protection
8. LED short-circuit protection
9. CS short-circuit protection
10. Chip power supply under-voltage protection
11. Overheat adjustment function


Application Circuit



BP9832A Datasheet