Automotive SEPIC Backlight Driver Reference Design (TIDA-00503)

The TIDA-00503 refrence design is a SEPIC mode LED driver design for automotive backlight applications with 2 or 3 LEDs in series. SEPIC enables VIN both above and below VOUT. The LED driver operates at a switching frequency of 2.2MHz for a small overall footprint and all components are limited to <3mm in height.

Возможности

Wide VIN range 4.5-40V Dimming ratio 10000:1 @ 200Hz PWM Small solution size enabled by 2.2 MHz operation Flexible support for different LED configurations EMI mitigation with optional spread spectrum and external sync

Файлы

Схемы и диаграммы

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Тесты и симуляция

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Спецификация (BOM)

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Automotive SEPIC Backlight Driver Reference Design TIDA-00503