Cypress PowerPSoC智能LED驱动方案

1、Cypress 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及开关器件,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电源管理的解决方案.广

2、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, 逻辑方框图以及具有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照明应用框图以及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 The

3、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, syste

4、m ICs, and the numerous discrete components 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 complete power electronics solution for LED power managem

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

6、configurations 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, compri

7、ses five 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 combines all the device resources into a complete custom system. The

8、 PowerPSoC family 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

9、power electronics 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

10、also integrates 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 l

11、oad buck/boost 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

12、 timersFour low 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 comparatorsSix 8-bit reference DACsBuilt-in switching regulator eliminates external 5V supplyM

13、ultiple topologies 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 slavesInte

14、grated temperature sensorUp to 12-bit ADCs6 to 12-bit incremental ADCsUp to 9-bit DACsProgrammable gain amplifiersProgrammable filters and comparators8 to 32-bit timers and countersComplex peripherals by combining blocksConfigurable to all GPIO pinsProgrammable pin configurations25 mA sink on all GP

15、IO and function pinsPull up, 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 st

16、orageIn-System Serial Programming (ISSP)Partial Flash updatesFlexible protection modesEEPROM emulation in FlashComplete development toolsFree development software: PSoC Designer 5.0Full featured, In-Circuit Emulator and ProgrammerFull speed emulationComplex breakpoint structure128 kBytes trace memor

17、yVisual embedded designLED based express driversBinning compensationTemperature feedbackPowerPSoC应用:Stage LED lightingArchitectural LED lightingGeneral purpose LED lightingAutomotive and emergency vehicle LED lightingLandscape LED lightingDisplay LED lightingEffects LED lightingSignage LED lightingD

18、evice optionsCY8CLED04D0xFour internal 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 drivers