Ambient Light Adaptive LED Driver

Reference Design using part LM3423MH by Texas Instruments

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Manufacturer

Texas Instruments
  • Application Category
    Lighting
  • Product Type
    High Brightness LED Driver

Associated Documents

For End Products

  • Automotive and Transportation
  • Illumination
  • Indoor & Outdoor Lighting

Description

  • Ambient Light Adaptive LED Driver. The ambient light adaptive LED driver automatically adjusts display brightness for changing ambient light conditions, providing a more viewable display with better contrast. The design drives five series connected LEDs from an input voltage of 4.5V to 12V. The LED current is nominally 100mA and the output voltage is 15 to 20V

Key Features

  • Input Voltage
    6 to 12 V
  • Output Voltage
    20 V
  • Output Current
    0.1 A
  • Number of Derived Elements
    5

Featured Parts (12)

Featured Parts
Part Number Manufacturer Type Description
LM324AMX/NOPB Texas Instruments Operational Amplifiers - Op Amps Op Amp Quad Low Power Amplifier ±16V/32V 14-Pin SOIC T/R Buy
LM324AM/NOPB Texas Instruments Operational Amplifiers - Op Amps Op Amp Quad Low Power Amplifier ±16V/32V 14-Pin SOIC Tube Buy
LMV431IM5/NOPB Texas Instruments Voltage References V-Ref Adjustable 1.24V to 30V 15mA 5-Pin SOT-23 T/R Buy
LMV431IM5/NOPB Texas Instruments Voltage References V-Ref Adjustable 1.24V to 30V 15mA 5-Pin SOT-23 T/R Buy
LMV431IM5X/NOPB Texas Instruments Voltage References V-Ref Adjustable 1.24V to 30V 15mA 5-Pin SOT-23 T/R Buy
LM324AMX/NOPB Texas Instruments Operational Amplifiers - Op Amps Op Amp Quad Low Power Amplifier ±16V/32V 14-Pin SOIC T/R Buy
LM324AM/NOPB Texas Instruments Operational Amplifiers - Op Amps Op Amp Quad Low Power Amplifier ±16V/32V 14-Pin SOIC Tube Buy
LMV431IM5X/NOPB Texas Instruments Voltage References V-Ref Adjustable 1.24V to 30V 15mA 5-Pin SOT-23 T/R Buy
LM3423MHX/NOPB Texas Instruments LED Drivers LED Driver 12 Segment 20-Pin HTSSOP EP T/R Buy
LM3423MH/NOPB Texas Instruments LED Drivers LED Driver 12 Segment 20-Pin HTSSOP EP Tube Buy
LM3423MHX/NOPB Texas Instruments LED Drivers LED Driver 12 Segment 20-Pin HTSSOP EP T/R Buy
LM3423MH/NOPB Texas Instruments LED Drivers LED Driver 12 Segment 20-Pin HTSSOP EP Tube Buy

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