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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、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, CY8CLED04D02 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 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 management、 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 peripheral 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, prises 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 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、ﻫﻫThe CY8CLED04D0X is the first product in the PowerPSoC family to integrate power peripherals to add further integration for your 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 also 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 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
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 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 master 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 blocks
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 interrupt 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 Designer 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 lightingﻫﻫGeneral 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 regulator
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
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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)
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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
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