1ch Source Driver
Datasheet
Constant Current LED Drivers
50V 500mA
1ch Source Driver for Automotive
BD83732HFP-M /BD83733HFP-M
General...
Description
Datasheet
Constant Current LED Drivers
50V 500mA
1ch Source Driver for Automotive
BD83732HFP-M /BD83733HFP-M
General Description
BD83732HFP-M and BD83733HFP-M are 50V tolerant LED current drivers. Suitable for Automotive LED applications, it can control light through constant current output with control using PWM. Having LED open/short detective circuit and LED current de-rating functions integrated, it can deliver high reliability. By utilizing Rohm’s patented PBUS function, it is possible to turn OFF all LEDs when a row of LEDs are short/open-circuited if multiple number of the ICs are used In case the LED connected to the output IOUT terminal has 2 LEDs in serise, BD83732HFP-M has to be used, in case of 3 LEDs in series - BD83733HFP-M ( Refer to Page.18 LED Open Detection / Disable LED Open Detection ).
Features
AEC-Q100 Qualified Variable form Constant-Current Source Driver PWM Dimming Function LED constant current set by external resistor LED Current De-rating Function LED Open/Short detection Disable LED Open Detection at low power supply Temperature Protective Abnormal Output Detection and Output Functions
(PBUS)
Key Specifications
Input Voltage Range: 4.5V to 42V Max Output Current: 500mA (Max) Output Current Accuracy: ±5% (Max) Operating Temperature Range: -40°C to +125°C
Packages
HRP7
W(Typ) x D(Typ) x H(Max) 9.395mm x 10.540mm x 2.005mm
HRP7
Application
On-board Exterior Lamp (Rear Lamp, Turn Lamp, DRL/Position Lamp, Fog Lamp, e...
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