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Optoelectronics/Displays??

ESD protection device tailored for HB LEDs

Posted: 17 Feb 2010 ?? ?Print Version ?Bookmark and Share

Keywords:ESD protection? HB LED? lighting application?

California Micro Devices (CMD) offers the LuxGuard family of turnkey solutions for ESD protection and thermal management for high-power, high-brightness (HB) LED lighting applications.

The LuxGuard CM1753 and CM1754 feature a 50V breakdown voltage specification, delivering a robust 8kV HBM (Human Body Model) of ESD protection with low input capacitance for high-power, high-efficacy HB LED lighting applications. Designed as silicon-based side mount ESD protectors, the CM1753 is designed for P-up common cathode configurations and the CM1754 provides identical protection for N-up common anode configurations. Their small form factor enables them to be used in all applications, including existing HB LED lamp modules with one to 15 LEDs in the string.

LuxGuard products for HB LEDs include silicon submounts and side mount TVS diodes. LuxGuard submounts provide integrated ESD protection at levels exceeding 15kV HBM (Human Body Model). The submount also helps to cushion the LED from stress due to thermal expansion coefficient differences between the LED and the lead frame, while the option of an aluminum top coat provides improved reflectivity. CMD also offers TVS diodes mounted next to the LED die within the LED fixture. ESD ratings vary based on die size, and are typically between 8kV and 30kV HB.





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