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Cypress CY8CLED04D01 25W智能LED驱动方案

文章出处:8gled.com作者:格烁光电发表时间:2018-07-23
厦门代孕-爱子频道SG8W【100%包成功退全款】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

Four hysteretic controllers

Independently programmable upper and lower thresholds

Programmable minimum ON/OFF timers

Four low side gate drivers with programmable drive strength

Four precision high side current sense amplifiers

Three 16-bit LED dimming modulators: PrISM, DMM, and PWM

Six fast response (100 ns) voltage comparators

Six 8-bit reference DACs

Built-in switching regulator eliminates external 5 V supply

Multiple topologies including floating load buck, floating load buck-boost, and boost

■ M8C CPU core

Processor speeds up to 24 MHz

■ Advanced peripherals (PSoC® Blocks)

Capacitive sensing application capability

DMX512 interface

I2C master or slave

Full-duplex UARTs

Multiple SPI masters or slaves

Integrated temperature sensor

Up to 12-bit ADCs

6 to 12-bit incremental ADCs

Up to 9-bit DACs

Programmable gain amplifiers

Programmable filters and comparators

8 to 32-bit timers and counters

Complex peripherals by combining blocks

Configurable to all GPIO pins

■ Programmable pin configurations

25 mA sink, 10 mA source on all GPIO and function pins

Pullup, pull down, high Z, strong, or open drain drive modes on all GPIO and function pins

Up to 10 analog inputs on GPIO

Two 30 mA analog outputs on GPIO

Configurable interrupt on all GPIO

■ Flexible on-chip memory

16 K Flash program storage 50,000 erase and write cycles

1 K SRAM data storage

In-System Serial Programming (ISSP)

Partial Flash updates

Flexible protection modes

EEPROM emulation in Flash

■ Complete development tools

Free development software: PSoC Designer™

Full featured, In-Circuit Emulator and Programmer

Full speed emulation

Complex breakpoint structure

128 kBytes trace memory

CY8CLED04D01应用:

Stage LED lighting

Architectural LED lighting

General purpose LED lighting

Automotive and emergency vehicle LED lighting

Landscape LED lighting

Display LED lighting

Effects LED lighting

Signage LED lighting

■ Device options

CY8CLED04D0x

Four internal FETs with 0.5 A and 1.0 A options

Four external gate drivers

CY8CLED04G01

Four external gate drivers

CY8CLED03D0x

Three internal FETs with 0.5 A and 1.0 A options

Three external gate drivers

CY8CLED03G01

Three external gate drivers

CY8CLED02D01

Two 1.0 A internal FETs

Two external gate drivers

CY8CLED01D01

One 1.0 A internal F长沙代孕-【助孕力量优化生活2iD3】试管频道ET

One external gate driver

56-pin QFN package


图1.PowerPSoC架构方框图

图2.CY8CLED04D0x逻辑方框图

图3.CY8CLED04D0x LED照明框图:RGGB色彩混合配置作为浮动负载降压转换器

图4.CY8CLED04D0x LED照明框图:RGBA色彩混合驱动外接MOSFET作为浮动负载降压转换器

图5.CY8CLED04D0x LED照明框图:单路升压驱动三路浮动负载降压通路
采用CY8CLED04D01的25W LED驱动器

This reference guide describes a 25 W LED driver design using the CY8CLED04D01 PowerPSoC® device. This design is capable of driving four channels of LEDs (string forward voltage of 18 V typical) at 350 mA. The design is tested for compliance with conducted EMI specification (EN 55022 Class B). Though the reference board is not certified for Underwriters Laboratories (UL) safety compliance, it is designed with due consideration of safety requirements.

25W LED驱动器主要特性:

1. Input Voltage: 90V - 264V AC

2. Input Frequency: 47 - 63 Hz

3. Output Power: 25W

4. Power Factor: >0.92

5. Isolated Design

6. PF Controller Switching Frequency: 100 KHz

7. Number of LED Channels: 4

8. LED Driver Switching Frequency: 800 KHz

9. Dimmer Support

10. Dimmer signal acquired from seconday side of the flyback inductor

11. EMI Compliance: EN55022 Class B

图6.25W LED驱动器电路图(1)

图7.25W LED驱动器电路图(2)
25W LED驱动器材料清单(BOM):


厦门代孕-爱子频道SG8W【100%包成功退全款】 Cypress CY8CLED04D01 25W智能LED驱动方案原创编辑请注明出来http://m.hzjjn.com

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