ROHM BD9479FV-GE2 LED Driver IC, 9 → 35 V 40-Pin SSOP-B40

BD9479FV is a high efficiency driver for white LEDsand designed for large LCDs. This IC is built-in a boostDCDC converters that employ an array of LEDs as the light source. BD9479FV has some protect function against fault conditions, such as the over-voltage protection (OVP), the over current limit protection of DCDC (OCP), the short circuit protection (SCP), the open detection of LED string.

8ch LED constant current driver (external PNP Tr Type)
Maximum LED setting current 500mA (VREF pin setting)
Build-in DC/DC converter
Analog Dimming (Linear) function
Individual channel PWM Dimming function
Output short protection (OVP)
Built-in Timer latch function (CP)
Built-in under voltage Lockout function (UVLO)・over voltage protection (OVP)
Built-in FAIL indication function
Built-in OVP voltage Feedback function
Built-in PWM-independent soft start circuit
SSOP-B40 Package