Cypress CY8CLED04D01 25W智能LED驱动方案
Cypress公司的PowerPSoC 智能LED驱动器系列采用可编程的系统级芯片(SoC)技术,可替代传统的MCU,系统IC和周围的大量分立元件,集成了1A 2MHz 功率FET,滞后控制器,电流检测放大器以及PrISM/PWM调制器,构成了LED功率管理的完整方案.本文介绍了PowerPSoC架构方框图, CY8CLED04D0x逻辑方框图和主要特性,以及多种CY8CLED04D0x LED照明框图,采用CY8CLED04D01的25W智能LED驱动器电路图和材料清单(BOM).
PowerPSoC® Intelligent LED Driver
The PowerPSoC family incorporates programmable system-on-chip technology with the best in class power electronics controllers and switching devices to create easy to use power-system-on-chip solutions for lighting applications.
All PowerPSoC family devices are designed to replace traditional MCUs, system ICs, and the numerous discrete components that surround them. PowerPSoC devices feature high performance power electronics including 1 ampere 2 MHz power FETs, hysteretic controllers, current sense amplifiers, and PrISM/PWM modulators to create a complete power electronics solution for LED power management.
CY8CLED04D01主要特性:
■ Integrated power peripherals
❐ Four internal 32 V low side N-Channel power FETs
• RDS(ON)– 0.5m ohm for 1.0 A devices
• Up to 2 MHz configurable switching frequency
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