STEVAL-ILL067V1評估板提供了使用ALED7707
芯片的六通道中
電流LED
驅動器的應用示例。單片升壓
轉換器從單個
電源軌開始提供所需的 LED 電源電壓,同時通過 PWM 信號控制連接到六個輸出的 LED 串的亮度。檢測并管理開路 LED 和 LED 短路故障情況。該板旨在為汽車應用提供緊湊的參考解決方案,涉及排列成多個串的多個 LED(例如車內照明、信息娛樂 LCD 背光等)
說明
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STEVAL-ILL067V1, Evaluation Board is to provides an application example of a six-channel, medium-current LED driver using the ALED7707 chip. The monolithic boost converter provides the required LED supply voltage starting from a single supply rail, while the brightness of the LED strings connected to the six outputs is controlled through a PWM signal. Open LED and LED short-circuit fault conditions are detected and managed. The board has been designed to provide a compact reference solution for automotive applications involving several LEDs arranged in multiple strings (e.g. interior lighting, infotainment LCD backlighting, etc.)