01/06/2025, 04:35 PM UTC
85V LED大灯驱动器适合降压、升压、降压-升压和SEPIC拓扑85V LED headlight driver suits buck, boost, buck-boost and SEPIC topologies
➀ AL8866Q是一款针对汽车前灯（如大灯）的AEC-Q100（Grade 1）认证的DC-DC转换器控制器。它可以实现降压、升压、降压-升压或SEPIC拓扑，工作电压范围为4.7至85V。➁它提供模拟和PWM调光，具有100:1的范围和20%调光时的±12%输出电流精度。➂它具有软启动功能，开漏输出可以指示故障状态，包括LED输出过压、LED输出开路、LED输出短路等电源组件周围的故障，并实现周期电流保护和热关断。➀ The AL8866Q is an AEC-Q100 (Grade 1) qualified DC-DC converter controller for automotive front lights like headlights. It can implement buck, boost, buck-boost, or SEPIC topologies and operates from 4.7 to 85V. ➁ It offers analog and PWM dimming with a 100:1 range and ±12% output current accuracy at 20% dimming. ➂ It features soft-start, open-drain output for fault indication, and cycle-by-cycle current protection.---
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