CypressPowerPSoC系列LED照明解決方案

1、CypressPowerPSoC系列LED照明解決方案Cypress公司的PowerPSoC系列是可編程片上系統(tǒng)(PSoC),集成了電力電子控制器和開(kāi)關(guān)器件,可替代傳統(tǒng)的MCU,系統(tǒng)IC以及與其相關(guān)的眾多獨(dú)立組件,創(chuàng)建用于LED 電源管理的完整電力電子設(shè)備解決方案.本文介紹了PowerPSoC系列特性,框圖,及種典型應(yīng)用電路,以及PowerPSoC照明評(píng)估板CY3267主要特性和指標(biāo),系統(tǒng)框圖,電路圖和材料清單.PowerPSoC系列（CY8CLED04D01，CY8CLED04D02，CY8CLED04G01，CY8CLED03D01，CY8CLED03D02，CY8CLED03G01，CY

2、8CLED02D01，CY8CLED01D01）將可編程片上系統(tǒng)技術(shù)集成到最佳的電力電子控制器和開(kāi)關(guān)器件內(nèi)，以便容易將電源片上系統(tǒng)解決方案使用于照明應(yīng)用。所有PowerPSoC系列器件都旨在替代傳統(tǒng)的MCU、系統(tǒng)IC 以及與其相關(guān)的眾多獨(dú)立組件。PowerPSoC器件具有高性能的電力電子設(shè)備，該電力電子設(shè)備包括電流為1 安培、頻率為2 MHz的功率FET、遲滯控制器、電流檢測(cè)放大器和PrISM/PWM 調(diào)制器，以便創(chuàng)建用于LED 電源管理的完整電力電子設(shè)備解決方案?？膳渲玫碾娫?、模擬、數(shù)字和互連電路均有助于在多種行業(yè)、商業(yè)和消費(fèi)LED 照明應(yīng)用中實(shí)現(xiàn)高度集成。這種架構(gòu)集成可編程的模擬和數(shù)字模塊

3、，使得用戶能夠根據(jù)每個(gè)應(yīng)用的要求來(lái)創(chuàng)建定制的外設(shè)配置。此外，在一系列方便易用的引腳布局和封裝中包含24 MHz CPU、閃存程序存儲(chǔ)器、SRAM數(shù)據(jù)存儲(chǔ)器和可配置的I/O。如框圖所示，PowerPSoC架構(gòu)由五個(gè)主要部分組成：PSoC內(nèi)核、數(shù)字系統(tǒng)、模擬系統(tǒng)、系統(tǒng)資源以及功率外設(shè)，其中功率外設(shè)包括了功率FET、遲滯控制器、電流檢測(cè)放大器和PrISM/PWM調(diào)制器。通過(guò)可配置的全局總線，可將所有器件資源整合到一個(gè)完全定制的系統(tǒng)中。PowerPSoC系列具有多達(dá)10 個(gè)連接到全局?jǐn)?shù)字和模擬互連的I/O 端口，能夠訪問(wèn)八個(gè)數(shù)字模塊和六個(gè)模擬模塊。PowerPSoC系列特性： 集成的大功率外設(shè)四個(gè)內(nèi)部

4、32 V 低端N 通道功率FET。W 1.0 A 器件的RDS(ON) 為0.5 可配置開(kāi)關(guān)頻率高達(dá)2 MHz四個(gè)遲滯控制器 可獨(dú)立編程上/ 下閾值 可編程用于確定ON/OFF （打開(kāi)/ 關(guān)閉）最短時(shí)間所需的定時(shí)器四個(gè)具有可編程驅(qū)動(dòng)強(qiáng)度的低端柵極驅(qū)動(dòng)器四個(gè)精密高端電流檢測(cè)放大器三個(gè)16 位LED 暗度調(diào)制器分別為：PrISM、DMM 和PWM六個(gè)快速響應(yīng)（100 ns）電壓比較器六個(gè)8 位參考DAC內(nèi)置開(kāi)關(guān)調(diào)節(jié)器去除了外部5 V 電源多種拓?fù)浒ǎ焊?dòng)負(fù)載降壓拓?fù)洹⒏?dòng)負(fù)載降壓- 升壓拓?fù)浜蜕龎和負(fù)?M8C CPU 內(nèi)核處理器的速度最高可達(dá)24 MHz 高級(jí)外設(shè)（PSoC® 模塊）具

5、有電容式感應(yīng)應(yīng)用能力DMX512 接口I2C 主/ 從接口全雙工UART多個(gè)SPI 主/ 從接口集成的溫度傳感器高達(dá)12 位ADC6 位到12 位增量ADC多達(dá)9 位的DAC可編程增益放大器可編程濾波器和比較器8 位到32 位定時(shí)器和計(jì)數(shù)器通過(guò)組合多個(gè)模塊，能夠構(gòu)建復(fù)雜外設(shè)可配置為所有GPIO 引腳 可編程引腳配置所有GPIO 和功能引腳上都具有25 mA 的灌電流和10 mA 的拉電流所有GPIO 和功能引腳上都具有上拉、下拉、高阻、強(qiáng)或開(kāi)漏驅(qū)動(dòng)模式GPIO 上的模擬輸入高達(dá)10 個(gè)GPIO 上具有兩個(gè)30 mA 的模擬輸出所有GPIO 上都具有可配置中斷 靈活的片上存儲(chǔ)器16 K Flas

6、h 程序存儲(chǔ)50,000 擦除/ 寫(xiě)入周期1 K SRAM 數(shù)據(jù)存儲(chǔ)系統(tǒng)內(nèi)串行編程（ISSP）局部閃存更新靈活的保護(hù)模式閃存內(nèi)EEPROM 仿真 完整的開(kāi)發(fā)工具免費(fèi)的開(kāi)發(fā)軟件（PSoC Designer）功能齊全的在線仿真器（ICE）和編程器全速仿真復(fù)雜的斷點(diǎn)結(jié)構(gòu)128 KB 的跟蹤存儲(chǔ)器PowerPSoC系列應(yīng)用：LED 舞臺(tái)照明LED 建筑照明LED 通用照明汽車(chē)級(jí)和應(yīng)急車(chē)輛LED 照明LED 景觀照明LED 顯示燈LED 效果照明燈LED 標(biāo)牌照明 器件選項(xiàng)CY8CLED04D0x 四個(gè)帶有0.5 A 和1.0 A 選項(xiàng)的內(nèi)部FET 四個(gè)外部柵極驅(qū)動(dòng)器CY8CLED04G01 四個(gè)外部柵

7、極驅(qū)動(dòng)器CY8CLED03D0x 三個(gè)帶有0.5 A 和1.0 A 選項(xiàng)的內(nèi)部FET 三個(gè)外部柵極驅(qū)動(dòng)器CY8CLED03G01 三個(gè)外部柵極驅(qū)動(dòng)器CY8CLED02D01 兩個(gè)電流為1.0 A 的內(nèi)部FET 兩個(gè)外部柵極驅(qū)動(dòng)器CY8CLED01D01 一個(gè)電流為1.0 A 的內(nèi)部FET 一個(gè)外部柵極驅(qū)動(dòng)器 56 引腳QFN 封裝圖1.PowerPSoC 架構(gòu)框圖圖2.PowerPSoC應(yīng)用電路:將RGGB 混色的照明LED 配置為浮動(dòng)負(fù)載降壓轉(zhuǎn)換器圖3.PowerPSoC應(yīng)用電路:RGBA 混色的照明LED 將外部MOSFETS 驅(qū)動(dòng)為浮動(dòng)負(fù)載降壓轉(zhuǎn)換器AO-Electronics 傲壹電子

8、 官網(wǎng)： 中文網(wǎng)：圖4.PowerPSoC應(yīng)用電路:使用單一通道升壓的照明LED 驅(qū)動(dòng)三個(gè)浮動(dòng)負(fù)載降壓通道PowerPSoC照明評(píng)估板CY3267Thank you for your interest in the CY3267 PowerPSoC® Lighting Evaluation Kit (EVK). This kitenables designers to evaluate Cypresss PowerPSoC family of devices and create scalable LEDmanagement solutions. PowerPSoC devices

9、feature high-performance power electronics, including1-A, 2-MHz power FETs, hysteretic controllers, current sense amplifiers, and PrISM and pulsewidthmodulators (PWM) to create a complete solution for LED power management.The CY3267 PowerPSoC Lighting EVK demonstrates PowerPSoCs ability to drive fou

10、r LED channels(red, green, blue, and amber) at the desired color and brightness output.Headers provided on the CY3267 Power EVK main board enable you to expand the system to supportexternal daughter cards with I2C-capable interfaces. DALI and DMX512 daughter cards areexamples of expandable cards tha

11、t can be used with this board.The CY3267 PowerPSoC Lighting EVK ships with factory-installed firmware that demonstrates theability of PowerPSoC to drive multiple LED channels with color-mixing intelligence. The firmwarealso illustrates the use of PSoC Designer to design PowerPSoC-based systems and s

12、olutions.The factory-installed code example implements the following elements with PowerPSoC: I2C interface to receive the desired color coordinates and intensity information 4-channel LED dimming using PrISM technology Hysteretic current control, with switching current thresholds configured by DAC

13、settingsThe CY3267 PowerPSoC Lighting EVK provides a USB interface to a PC-based Intelligent LightingControl GUI that allows you to select the desired color coordinate and intensity from the 1931 CIEchart. The USB interface is implemented in CY8C24894, which communicates this data over I2C tothe Pow

14、erPSoC.Select the desired color using the Intelligent Lighting Control GUI or the CapSense buttons on theCY3267 Power EVK main board. These inputs are captured by the firmware in CY8C24894 andtransmitted to the PowerPSoC over an I2C interface. The PowerPSoC firmware receives the targetcolor coordina

15、tes and calculates the intensities of each of the four individual colors (red, green, blue,and amber) using an intelligent color-mixing algorithm. The PowerPSoC also implements the hystereticcurrent control loop along with dimming control to drive the LED.The CY3267 PowerPSoC Lighting EVK contains:

16、CY3267 Power EVK main board CY3267 LED daughter board 12-V, 2-A power supply Optical diffuser Retractable USB cable CY3217-MiniProg1 programmer 5 PowerPSoC CY8CLED04D01-56LTXI samples Quick start guideThe CY3267 PowerPSoC Lighting EVK has the following sections: CY3267 Power EVK main boardPower supplyPowerPSoCProgramming interfaceDebug interfaceConnectors and portsLED board interfaceFirstTouch RF interfaceArtaflex radio module interfaceFull-speed USB interfaceFan and thermistor interfaceCapSense buttons CY3267 LED Daughter BoardLED