Cypress PowerPSoC智能LED驱动方案设计

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1、wordCypress PowerPSoC智能LED驱动方案Cypress公司的PowerPSoC智能LED驱动器系列包括CY8CLED04G01, CY8CLED03G01, CY8CLED03D01, CY8CLED03D02, Y8CLED04D01和 CY8CLED04D02等六种器件. PowerPSoC系列集成了可编程的系统级芯片和业界最好的功率电子控制器以与开关器件,可以替代传统的MCU,系统IC和众多的分立器件. PowerPSoC具有高性能的功率电子特性,包括1A 2MHz功率FET, 滞后控制器,电流检测放大器,和PrISM/PWM调制器,从而组成完整的LED电源管理的解决

2、方案.广泛应用在舞台LED照明,建筑LED照明,通用LED照明,汽车和救护车LED照明,风景区LED照明,显示器LED照明和信号LED照明等.本文介绍了PowerPSoC系列主要特性, 架构方框图, 逻辑方框图以与具有RGGB混色配置的LED照明应用框图, 具有RGBA混色驱动外接MOSFET的LED照明应用框图以与单路升压驱动三个浮动负载降压通路的LED照明应用框图.PowerPSoC Intelligent LED DriverCY8CLED04G01, CY8CLED03G01, CY8CLED03D01, CY8CLED03D02, Y8CLED04D01, CY8CLED04D02

3、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, s

4、ystem ICs, and the numerous discrete ponents that surround them. PowerPSoC devices feature high performance power electronics including 1A 2 MHz power FETs, hysteretic controllers, current sense amplifiers, and PrISM/PWM modulators to create a plete power electronics solution for LED power managemen

5、t. Configurable power, analog, digital, and interconnect circuitry enables a high level of integration in a host of industrial, mercial, and consumer LED lighting applications.This architecture integrates programmable analog and digital blocks to enable the user to create customized peripheral confi

6、gurations that match the requirements of each individual application. Additionally, the device includes a fast CPU, Flash program memory, SRAM data memory, and configurable I/O in a range of convenient pinouts and packages.The PowerPSoC architecture, as illustrated in the block diagrams, prises five

7、 main areas: PSoC core, digital system, analog system, system resources, and power peripherals which include power FETs, hysteretic controllers, current sense amplifiers, and PrISM/PWM modulators. Configurable global busing bines all the device resources into a plete custom system. The PowerPSoC fam

8、ily of devices have 10-port I/Os that connect to the global digital and analog interconnects, providing access to eight digital blocks and six analog blocks.The CY8CLED04D0X is the first product in the PowerPSoC family to integrate power peripherals to add further integration for your power electron

9、ics applications.The PowerPSoC family of intelligent power controller ICs are used in lighting applications that need traditional MCUs and discrete power electronics support.The power peripherals of the CY8CLED04D0X include four 32V power MOSFETs with current ratings up to 1A each. It also integrate

10、s gate drivers that enable applications to drive external MOSFETs for higher current and voltage capabilities.The controller is a programmable threshold hysteretic controller, with user-selectable feedback paths that uses the IC in current mode floating load buck, boost, and floating load buck/boost

11、 configurations.PowerPSoC系列主要特性:Integrated power peripheralsFour internal 32V low side N-Channel power FETsRDS(ON) 0.5 for 1.0A devicesUp to 2 MHz configurable switching frequencyFour hysteretic controllersIndependently programmable upper and lower thresholdsProgrammable minimum on/off timersFour lo

12、w side gate drivers with programmable drive strengthFour precision high side current sense amplifiersThree 16-bit LED dimming modulators: PrISM, DMM, and PWMSix fast response (100 ns) voltage paratorsSix 8-bit reference DACsBuilt-in switching regulator eliminates external 5V supplyMultiple topologie

13、s including floating load buck, floating load buck-boost, and boostM8C CPU coreProcessor speeds up to 24 MHzAdvanced peripherals (PSoC Blocks)Capacitive sensing application capabilityDMX512 interfaceDALI interfaceI2C master or slaveFull-duplex UARTsMultiple SPI masters or slavesIntegrated temperatur

14、e sensorUp to 12-bit ADCs6 to 12-bit incremental ADCsUp to 9-bit DACsProgrammable gain amplifiersProgrammable filters and parators8 to 32-bit timers and countersplex peripherals by bining blocksConfigurable to all GPIO pinsProgrammable pin configurations25 mA sink on all GPIO and function pinsPull u

15、p, pull down, high Z, strong, or open drain drive modes on all GPIO and function pinsUp to 10 analog inputs on GPIOTwo 30 mA analog outputs on GPIOConfigurable interrupt on all GPIOFlexible on-chip memory16K Flash program storage 50,000 erase and write cycles1K SRAM data storageIn-System Serial Prog

16、ramming (ISSP)Partial Flash updatesFlexible protection modesEEPROM emulation in Flashplete development toolsFree development software: PSoC Designer 5.0Full featured, In-Circuit Emulator and ProgrammerFull speed emulationplex breakpoint structure128 kBytes trace memoryVisual embedded designLED based

17、 express driversBinning pensationTemperature feedbackPowerPSoC应用:Stage LED lightingArchitectural LED lightingGeneral purpose LED lightingAutomotive and emergency vehicle LED lightingLandscape LED lightingDisplay LED lightingEffects LED lightingSignage LED lightingDevice optionsCY8CLED04D0xFour inter

18、nal FETs with 0.5A and 1.0A optionsFour external gate driversBuilt-in switching regulatorCY8CLED03D0xThree internal FETs with 0.5A and 1.0A optionsThree external gate driversBuilt-in switching regulatorCY8CLED04G01Four external gate driversBuilt-in switching regulatorCY8CLED03G01Three external gate driversBuilt-in switching regulator56-pin QFN Package图1.PowerPSoC架构方框图图2.CY8CLED04D0x 逻辑方框图图3. CY8CLED03D0x 逻辑方框图图4. CY8CLED04G01 逻辑方框图图5. CY8CLED03G01 逻辑方框图图6. 具有RGGB混色配置的LED照明应用框图(浮动负载降压转换器)图7. 具有RGBA混色驱动外接MOSFET的LED照明应用框图(浮动负载降压转换器)图8. 单路升压驱动三个浮动负载降压通路的LED照明应用框图9 / 9