A6285集成电路（IC）的LED驱动器规格书PDF中文资料

A6285属于集成电路（IC）的LED驱动器。由Allegro MicroSystems制造生产的A6285LED 驱动器器件属于 LED 驱动器电源管理集成电路 (PMIC) 系列，可通过标称固定电压的电源为负载（通常为发光二极管）提供电流，并且电流可控。它与用于电压调节的类似产品的主要区别在于，这类器件提供较低的反馈电压（以提高系统能效），而且通常可对器件工作点进行外部控制，可在照明应用中用于实现调光功能。

Features and Benefits

▪ 3.0 to 5.5 V logic supply range

▪ Schmitt trigger inputs for improved noise immunity

▪ Power-On Reset (POR)

▪ Up to 80 mA constant-current sinking outputs

▪ LED open circuit detection (LOD)

▪ Dot correction (DC) for adjusting LED light intensity on

each channel with 7-bit resolution

▪ Low-power CMOS logic and latches

▪ High data input rate up to 30 MHz

▪ Active output pull-ups with enable/disable

▪ 20 ns typical staggering delay between outputs

▪ Internal UVLO and thermal shutdown (TSD) circuitry

▪ Fault output flags for an LED open circuit (LOD) or a

thermal shutdown (TSD) condition