KIT34844AEPEVBE, Evaluation Kit - 34844, LED Backlight Driver, Power Supply

Reference Design using part MC34844 by NXP Semiconductors

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KIT34844AEPEVBE image (Sheet 1 of 2 )
KIT34844AEPEVBE Schematic (Sheet 2 of 2 )
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Manufacturer

NXP Semiconductors
  • Application Category
    Lighting
  • Product Type
    Backlight LED Driver
Buy

For End Products

  • LED Driver
  • Lighting

Description

  • KIT34844AEPEVBE Evaluation board supports the 34844/A, which is a high efficiency, LED driver for use in backlighting LCD displays from 10" to 20"+. Operating from supplies of 7.0 to 28V, the MC34844/A is capable of driving up to 160 LEDs in 10 parallel strings. Current in the 10 strings is matched to within 2%, and can be programmed via the I2C/SM Bus interface. The 34844/A also includes a Pulse Width Monitor (PWM) generator for LED dimming. The LEDs can be dimmed to one of 256 levels, programmed through the I2C/SM Bus interface. Up to 65,000:1 (256:1 PWM, 256:1 Current DAC) dimming ratio

Featured Parts (2)

Featured Parts
Part Number Manufacturer Type Description
MC34844AEP NXP Semiconductors LED Drivers LED Driver 13000uA Supply Current 32-Pin QFN EP Tray Buy
MC34844AEPR2 NXP Semiconductors LED Drivers LED Driver 10000uA Supply Current 32-Pin QFN EP T/R Buy

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