1、Cypress PowerPSoC智能LED驱动方案 Cypress公司得PowerPSoC智能LED驱动器系列包括CY8CLED04G01, CY8CLED03G01, CY8CLED03D01, CY8CLED03D02, Y8CLED04D01与 CY8CLED04D02等六种器件、 PowerPSoC系列集成了可编程得系统级芯片与业界最好得功率电子控制器以及开关器件,可以替代传统得MCU,系统IC与众多得分立器件、 PowerPSoC具有高性能得功率电子特性,包括1A 2MHz功率FET, 滞后控制器,电流检测放大器,与PrISM/PWM调制器,从而组成完整得LED电源管理得解决方案
2、广泛应用在舞台LED照明,建筑LED照明,通用LED照明,汽车与救护车LED照明,风景区LED照明,显示器LED照明与信号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混色配置得LED照明应用框图, 具有RGBA混色驱动外接MOSFET得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得LED照明应用框图、 ﻫPowerPSoC Intelligent LED Driverﻫ CY8CLED04G01, CY8CLED03G01, CY8CLED03D01, CY8CLED03D02, Y8CLED04D01, CY8CLED04
3、D02 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 MCU
4、s, system 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 manag
5、ement、 Configurable power, analog, digital, and interconnect circuitry enables a high level of integration in a host of industrial, mercial, and consumer LED lighting applications、ﻫ This architecture integrates programmable analog and digital blocks to enable the user to create customized periphera
6、l 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、ﻫ The PowerPSoC architecture, as illustrated in the block diagrams, p
7、rises 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 bines all the device resources into a plete custom system、 The Pow
8、erPSoC 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、ﻫﻫThe CY8CLED04D0X is the first product in the PowerPSoC family to integrate power peripherals to add further integration for your po
9、wer 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 al
10、so integrates gate drivers that enable applications to drive external MOSFETs for higher current and voltage capabilities、 ﻫThe 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
11、load buck/boost configurations、ﻫﻫPowerPSoC系列主要特性: ﻫIntegrated power peripherals ﻫFour internal 32V low side N-Channel power FETs ﻫRDS(ON)– 0、5Ω for 1、0A devices ﻫUp to 2 MHz configurable switching frequencyﻫ Four hysteretic controllers Independently programmable upper and lower thresholds
12、 Programmable minimum on/off timers ﻫFour low side gate drivers with programmable drive strengthﻫ Four precision high side current sense amplifiersﻫﻫThree 16—bit LED dimming modulators: PrISM, DMM, and PWMﻫ Six fast response (100 ns) voltage paratorsﻫﻫSix 8-bit reference DACsﻫ Built-in switching
13、 regulator eliminates external 5V supplyﻫﻫMultiple topologies including floating load buck, floating load buck-boost, and boostﻫ M8C CPU coreﻫﻫProcessor speeds up to 24 MHz ﻫAdvanced peripherals (PSoC Blocks) Capacitive sensing application capabilityﻫ DMX512 interface ﻫDALI interface ﻫI2C ma
14、ster or slaveﻫ Full—duplex UARTsﻫ Multiple SPI masters or slavesﻫ Integrated temperature sensor Up to 12-bit ADCsﻫ 6 to 12-bit incremental ADCsﻫ Up to 9-bit DACsﻫ Programmable gain amplifiersﻫ Programmable filters and parators ﻫ8 to 32—bit timers and countersﻫﻫplex peripherals by bining b
15、locks ﻫConfigurable to all GPIO pinsﻫ Programmable pin configurationsﻫﻫ25 mA sink on all GPIO and function pinsﻫ Pull up, pull down, high Z, strong, or open drain drive modes on all GPIO and function pins ﻫUp to 10 analog inputs on GPIOﻫ Two 30 mA analog outputs on GPIO Configurable interrup
16、t on all GPIO Flexible on—chip memoryﻫ 16K Flash program storage 50,000 erase and write cycles 1K SRAM data storageﻫ In-System Serial Programming (ISSP) ﻫPartial Flash updatesﻫ Flexible protection modesﻫﻫEEPROM emulation in Flashﻫﻫplete development toolsﻫﻫFree development software: PSoC De
17、signer 5、0 ﻫFull featured, In—Circuit Emulator and Programmer Full speed emulationﻫﻫplex breakpoint structure ﻫ128 kBytes trace memory Visual embedded designﻫﻫLED based express drivers ﻫBinning pensationﻫ Temperature feedbackﻫﻫPowerPSoC应用:ﻫﻫStage LED lighting ﻫArchitectural LED lightingﻫﻫ
18、General purpose LED lighting ﻫAutomotive and emergency vehicle LED lightingﻫ Landscape LED lightingﻫ Display LED lightingﻫ Effects LED lighting ﻫSignage LED lighting ﻫDevice options ﻫCY8CLED04D0xﻫ Four internal FETs with 0、5A and 1、0A optionsﻫﻫFour external gate driversﻫﻫBuilt—in switching r
19、egulator CY8CLED03D0x ﻫThree internal FETs with 0、5A and 1、0A optionsﻫ Three external gate driversﻫﻫBuilt-in switching regulator CY8CLED04G01 ﻫFour external gate driversﻫﻫBuilt—in switching regulatorﻫﻫCY8CLED03G01ﻫﻫThree external gate drivers ﻫBuilt-in switching regulator ﻫ56-pin QFN Package ﻫﻫﻫ图1、PowerPSoC架构方框图ﻫ ﻫ 图2、CY8CLED04D0x 逻辑方框图 ﻫﻫ 图3、 CY8CLED03D0x 逻辑方框图ﻫﻫﻫ 图4、 CY8CLED04G01 逻辑方框图ﻫ ﻫﻫ图5、 CY8CLED03G01 逻辑方框图 ﻫﻫﻫ图6、 具有RGGB混色配置得LED照明应用框图(浮动负载降压转换器) ﻫﻫ 图7、 具有RGBA混色驱动外接MOSFET得LED照明应用框图(浮动负载降压转换器) ﻫﻫ图8、 单路升压驱动三个浮动负载降压通路得LED照明应用框图






