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Optoelectronics/Displays??

Atmel, IXYS release new light ballast demo kits

Posted: 05 Jun 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Atmel? IXYS? light? ballast? demo kit?

Atmel Corp. has announced the release of dimmable and non-dimmable demo kits for light ballast applications. The company said these new kits are the result of a cooperation between Atmel and IXYS Corp. to develop design tools and speed up the implementation of ballast solutions for the lighting market. The devices feature Atmel's AVR and 8051 microcontrollers (MCUs) and IXYS's mixed signal and power management products.

The ATAVRFBKIT is a dimmable light ballast demo kit while the AT89RFD-10 is a non-dimmable light ballast demo kit. Atmel said both kits incorporate a broad range of design features, including universal line input, low harmonic distortion, low stand-by power and various protection features. The dimmable ballast incorporates DALI or one touch "Swiss" control for controlling the dimming level.

The dimmable kit incorporates Atmel's AT90PWM2 AVR MCU, which supports both dimmable fluorescent and HID ballast applications. The 8Kbyte Flash AT90PWM2 device integrates the DALI protocol, allowing the networking of ballasts to a centralized system for greater flexibility and control of lighting levels, Atmel said, while reducing maintenance and energy costs.

The non-dimmable demo kit uses the AT83EB5114 8051-based MCU developed in partnership with a major lighting manufacturer for non-dimming fluorescent ballasts. Atmel said the AT89EB5114 and AT90PWM2 are highly-integrated devices featuring 12- or 16-bit enhanced PWM generators, amplifiers and a 10-bit ADC.

Both demo kits use IXYS's PolarH power MOSFETs with ultra-low Rdson Atmel said. In addition, they incorporate some of IXYS mixed-signal power management products, including the IXD611 half-bridge driver and the IXI858/IXI859 voltage regulator/gate driver. The IXI858/IXI859, in combination with the IXYS IXTP02N50D depletion-mode power MOSFET, are used to implement the line interface and gate drive requirements for the Power Factor Correction section of the light ballast.

Both kits are priced at $199.




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