Cypress CY3268 PowerPSoC 智能LED照明解决方案

关键词： CY3268 , Cypress , LED照明 , PowerPSoC , 智能

Cypress公司的PowerPSoC 智能LED器采用可编程片上系统(PSoC)技术,具有最好比的功率控制器和开关器件,可以替代传统的MCU,系统IC和大量的分立器件,并集成了1A 2MHz FET,滞后控制器,电流检测放大器和PrISM/PWM调制器,能容易创建照明应用的电源片上系统解决方案.主要用在舞台LED照明,建筑物LED照明,通用LED照明,汽车和新能源汽车LED照明等.本文介绍了PowerPSoC系列主要特性,架构和逻辑方框图,多种RGGB色彩混合的LED照明框图,以及CY3268 PowerPSoC 照明入门套件主要特性,CY3268 PowerPSoC 板方框图,电路图和PCB布局图.

The PowerPSoC family (CY8CLED04D01, CY8CLED04D02, CY8CLED04G01, CY8CLED03D01, CY8CLED03D02, CY8CLED03G01,CY8CLED02D01, CY8CLED01D01) 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.

CY8CLED0xx0x系列主要特性:

■ Integrated power peripherals

❐ Four internal 32 V low side N-Channel power FETs

• RDS(ON)– 0.5  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

❐ Pull-up, 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 / 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 (ICE) and programmer

❐ Full-speed emulation

❐ Complex breakpoint structure

❐ 128 KB trace memory

PowerPSoC CY8CLED0xx0x系列应用:

❐ 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

CY8CLED0xx0x系列选项:

❐ 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 FET

• One external gate driver

■ 56-pin QFN package

2012-4-9 14:25:16 上传

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