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The unique, low-power, non-flickering, directional output capabilities of LEDs make them perfect for indoor lighting under counters and in hallways and staircases; concentrated arrays can also be used for room lighting. Rugged and damage-resistant, LEDs are also a cost-effective solution for outdoor applications such as garden walkways and decorative features.

Features and Benefits

  • The Atmel® AVR® AT90PWM microcontroller supports the DALI standard to network multiple ballasts to a centralized system for tighter light level control and big energy savings.
  • Cost-effective designs require flexibility. Atmel solutions let you build fluorescent lighting solutions based on, for example, a full-featured single-chip AVR especially designed for wireless applications, or a general microcontroller with range of standard-compliant transceiver options.
  • To accelerate time-to-market, Atmel provides development packages with evaluation and debug tools, and ballast demo kits with complete, updatable C code to implement advanced control and protection algorithms in the microprocessor memory.

LED Ballasts

  • LED ballasts must provide LEDs with a constant source of current. Built-in hardware modulator, a high current LED driver and interrupt options makes the Atmel AT90PWM microcontroller well suited for LED applications.

Atmel Products

Lighting ComponentMicrocontrollerWireless TransceiverRecommended Evaluation Kit
Ballast Controller for LED

AT90PWM1

AT90PWM3B

AT90PWM161

TransceiversSTK500

STK520

Learn more about the Atmel solution Application Notes, Devices, and Tools and Software