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A8530 Key Features

  • Proprietary adaptive control scheme (1×, 1.5×, 2×)
  • 0.5% typical LED current matching
  • 2 separate serial interfaces for dimming control
  • Drives up to 6 white LEDs (4 display backlight, 2 flash/torch)
  • 30 mA per LED channel for display backlight
  • 100 mA per LED channel for flash/torch backlight
  • 320 mA total output current capability
  • Low EMI design and soft-start function
  • Short circuit, overvoltage, thermal shutdown protection
  • 0.75 mm very thin profile, 3 mm × 3 mm package

Related Allegro MicroSystems Datasheets

Part Number Description
A8500 Flexible WLED/RGB Backlight Driver
A8501 4 Channel x 100 mA WLED/RGB Driver

A8530 Description

The A8530 high efficiency charge pump ICs offer a simple, low-cost white LED driver solution for driving four display backlight and two flash/torch/video mode white LEDs. Using a proprietary control scheme (1×, 1.5×, and 2×), the A8530 can deliver well-matched LED current while maintaining the highest efficiency and low EMI. The LED current is regulated over the entire range of Li+ battery voltage to provide uniform...

A8530 Applications

  • White LED backlights for cellular phones, PDAs