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BD93941EFV - White LED Driver

General Description

BD93941EFV and BD93941FP is a high efficiency driver for white LEDs and designed for large LCDs.

These ICs are built-in a boost DCDC converters that employ an array of LEDs as the light source.

Key Features

  • 4ch LED constant current driver and DC/DC converter.
  • Maximum LED Current: 200mA.
  • LED Feedback Voltage: 0.37V (@ADIM=2.5V) so lower heat. Adjustable Feed Back Voltage by following LED Current setting.
  • 2% LED current accuracy (ADIM=2.5V, when each LED is set to 100mA).
  • Analog current (Linear) dimming at ADIM pin.
  • LED pin rating 60V.
  • Individual detection and individual LED OFF for both open and short circuits.
  • Built-in ISET pin short-circuit protection cir.

📥 Download Datasheet

Datasheet Details

Part number BD93941EFV
Manufacturer ROHM
File Size 1.19 MB
Description White LED Driver
Datasheet download datasheet BD93941EFV 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 LED Drivers for LCD Backlights White LED Driver for large LCD Panels (DCDC Converter type) BD93941EFV BD93941FP General Description BD93941EFV and BD93941FP is a high efficiency driver for white LEDs and designed for large LCDs. These ICs are built-in a boost DCDC converters that employ an array of LEDs as the light source. BD93941EFV and BD93941FP have 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. Therefore BD93941EFV and BD93941FP are available for the fail-safe design over a wide range output voltage. Key Specification  Operating power supply voltage range: 9.0V to 35.