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BD81A74EFV-M - 4ch White LED Driver

General Description

BD81A74EFV-M / BD81A74MUV-M is a white LED driver with the capability of withstanding high input voltage (maximum 35 V).

This driver has 4ch constantcurrent drivers in 1-chip, where each channel can draw up to 120 mA (Max), and it is suitable for high illumination LED drive.

Key Features

  • HTSSOP-B28 9.7 mm x 6.4 mm x 1.0 mm.
  • AEC-Q100 Qualified.
  • 1.
  • 4ch Current Driver for LED Drive.
  • Buck-Boost Current Mode DC/DC Converter.
  • Control DC/DC Converter Oscillation Frequency by External Synchronized Signal.
  • Spread Spectrum Function.
  • LSI Protection Function (UVLO, OVP, TSD, OCP, SCP).
  • LED Abnormality Detection Function (Open/Short).
  • VOUT Discharge Function (Buck-Boost Structure VQFN28SV5050 HTSSOP-B28 Limitation) BD81A74MUV-M BD81A74EFV-M.

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Datasheet Details

Part number BD81A74EFV-M
Manufacturer ROHM
File Size 3.82 MB
Description 4ch White LED Driver
Datasheet download datasheet BD81A74EFV-M Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Datasheet 4ch White LED Driver Built-in Current Driver Buck-Boost and Boost DC/DC Converter for Automotive BD81A74EFV-M BD81A74MUV-M General Description Key Specifications BD81A74EFV-M / BD81A74MUV-M is a white LED driver with the capability of withstanding high input voltage (maximum 35 V). This driver has 4ch constantcurrent drivers in 1-chip, where each channel can draw up to 120 mA (Max), and it is suitable for high illumination LED drive. Furthermore, a buck-boost current mode DC/DC converter is also built to achieve  Operating Input Voltage Range 4.5 V to 35 V  Output LED Current Accuracy ±3.