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BD83732HFP-M - 1ch Source Driver

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.

Key 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.

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Full PDF Text Transcription (Reference)

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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.