Cypress PowerPSoC MR16 LED照明設計方案

1、cypress powerpsoc mr16 led照明設計方案 公司的powerp集成了可編程的系統(tǒng)級芯片技術,業(yè)界最好的功率控制器和開關器件,很便利創(chuàng)建照明應用的功率系統(tǒng)級解決計劃.器件內部有四個32v低邊n-溝功率fet,開關頻率可配置高達2mhz,1.0a時rds(on)為0.5歐姆,四個滯后控制器,四個低邊柵極驅動器,四個精密的高邊檢測,三個16位調光調制器rism, dmm, 和,六個迅速響應(100ns),六個8位參考,以及處理速度高達24mhz的m8c cpu核,主要用于各種led照明.本文介紹power系列主要特性,powerpsoc架構方框圖,cy8cled04d0x規(guī)律方

2、框圖,以及powerpsoc解決計劃框圖,帶dmx-512接口的mr16 led燈參考設計和材料清單. 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

3、devices are designed to replace traditional s, 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

4、 complete 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, commercial, and consumer led lighting applications.this architecture integrates programmable analog and digital

5、blocks to enable you to create customized peripheral configurations that match the requirements of each individual application. additionally, the device includes a 24 mhz cpu, flash program memory, sram data memory, and configurable i/o in a range of convenient pinouts and packages.the powerpsoc arc

6、hitecture, as illustrated in the block diagrams, comprises 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

7、 the device resources into a complete 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.powerpsoc 主要特性： integrated power peripheralsfour internal 32 v low side n

8、-channel power fetsrds(on) 0.5 ohm for 1.0 a devicesup to 2 mhz configurable switching frequencyfour hysteretic controllersindependently programmable upper and lower thresholdsprogrammable minimum on/off timersfour low side gate drivers with programmable drive strengthfour precision high side curren

9、t 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 5 v supplymultiple topologies including floating load buck, floating load buck-boost, and boost m8c cpu cor

10、eprocessor speeds up to 24 mhz advanced peripherals (psoc blocks)capacitive sensing application capabilitydmx512 interfacei2c master or slavefull-duplex uartsmultiple spi masters or slavesintegrated temperature sensorup to 12-bit s6 to 12-bit incremental adcsup to 9-bit dacsprogrammable gain amplifi

11、ersprogrammable filters and comparators8 to 32-bit timers and counterscomplex peripherals by combining blocksconfigurable to all gpio pins programmable pin configurations25 ma sink, 10 ma source on all gpio and function pinspullup, pull down, high z, strong, or open drain drive modes on all gpio and

12、 function pinsup to 10 analog inputs on gpiotwo 30 ma analog outputs on gpioconfigurable interrupt on all gpio flexible on-chip memory16 k flash program storage 50,000 erase and write cycles1 k sram data storagein-system serial programming (issp)partial flash updatesflexible protection modeseeprom e

13、mulation in flash complete development toolsfree development software: psoc designerfull featured, in-circuit emulator and programmerfull speed emulationcomplex breakpoint structure128 kbytes trace memory applicationsstage led lightingarchitectural led lightinggeneral purpose led lightingautomotive

14、and emergency vehicle led lightinglandscape led lightingdisplay led lightingeffects led lightingsignage led lighting device optionscy8cled04d0xfour internal fets with 0.5 a and 1.0 a optionsfour external gate driverscy8cled04g01four external gate driverscy8cled03d0xthree internal fets with 0.5 a and 1.0 a