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

使用 NXP Semiconductors 的 MC34844 的参考设计

供应商

NXP Semiconductors
  • 应用类别
    照明
  • 产品类别
    背光发光二极管驱动器

依据最终产品

  • LED Driver
  • Lighting

说明

  • 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

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