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Cypress CY8CLED16 4路HBLED照明參考設計

2012-06-06
作者:Cypress 公司

Cypress 公司的CY8CLED16 EZ-Color系列是HBLED控制器,支持高達16路LED通路,每路的分辨率高達32位.M8C處理器工作速度高達24MHz,工作電壓3.0V-5.25V,材用片內的開關模式泵可使電壓低至1.0V,工作溫度從-40度到85度C. CY8CLED16具有靈活的接口,可編程的引腳配置,以及靈活的片上存儲器,主要應用在LCD背景光,通用照明,建筑物照明,照相機/手機閃光等.本文介紹了CY8CLED16主要特性,方框圖, 數字系統和模擬系統方框圖, 4路LED演示板電路圖和所用材料清單.

Cypress EZ-Color family of devices offers the ideal control solution for High Brightness LED applications requiring intelligent dimming control. EZ-Color devices combine the power and flexibility of PSoC (Programmable System-on-Chip™); with Cypress PrISM (precise illumination signal modulation) modulation technology providing lighting designers a fully customizable and integrated lighting solution platform.

The EZ-Color family supports up to 16 independent LED channels with up to 32 bits of resolution per channel, enabling lighting designers the flexibility to choose the LED array size and color quality. PSoC Express software, with lighting specific drivers, can significantly cut development time and simplify implementation of fixed color points through temperature and LED binning compensation. EZ-Colors virtually limitless analog
and digital customization allow for simple integration of features in addition to intelligent lighting, such as Battery Charging, Image Stabilization, and Motor Control during the development process. These features, along with Cypress best-in-class quality and design support, make EZ-Color the ideal choice for intelligent HB LED control applications.

CY8CLED16主要特性:

HB LED Controller

Configurable Dimmers Support up to 16 Independent LED Channels

8-32 Bits of Resolution per Channel

Dynamic Reconfiguration Enables LED Controller plus other Features; Battery

Charging, Motor Control…

■ Visual Embedded Design, PSoC Express

LED Based Express Drivers

• Binning Compensation

• Temperature Feedback

• DMX512

■ PrISM Modulation Technology

Reduces Radiated EMI

Reduces Low Frequency Blinking

■ Powerful Harvard Architecture Processor

M8C Processor Speeds to 24 MHz

3.0 to 5.25V Operating Voltage

Operating Voltages down to 1.0V using On-Chip Switch Mode Pump (SMP)

Industrial Temperature Range: -40℃ to +85℃

■ Programmable Pin Configurations

25 mA Sink on all GPIO

Pull up, Pull down, High Z, Strong, or Open Drain Drive Modes on all GPIO

Up to eight Analog Inputs on GPIO

Configurable Interrupt on all GPIO

■ Advanced Peripherals (PSoC Blocks)

16 Digital PSoC Blocks Provide:

• 8 to 32-Bit Timers, Counters, and PWMs

• Up to 2 Full-Duplex UART

• Multiple SPI™ Masters or Slaves

• Connectable to all GPIO Pins

12 Rail-to-Rail Analog PSoC Blocks Provide:

• Up to 14-Bit ADCs

• Up to 9-Bit DACs

• Programmable Gain Amplifiers

• Programmable Filters and Comparators

Complex Peripherals by Combining Blocks

■ Flexible On-Chip Memory

32K Flash Program Storage 50,000 Erase/Write Cycles

2K SRAM Data Storage

In-System Serial Programming (ISSP)

Partial Flash Updates

Flexible Protection Modes

EEPROM Emulation in Flash

■ Complete Development Tools

Free Development Software

• PSoC Designer™

• PSoC Express™

Full-Featured, In-Circuit Emulator and Programmer

Full Speed Emulation

Complex Breakpoint Structure

128 KBytes Trace Memory

CY8CLED16典型應用:

■ LCD Backlight

■ Large Signs

■ General Lighting

■ Architectural Lighting

■ Camera/Cell Phone Flash

■ Flashlights


圖1.CY8CLED16方框圖

圖2.CY8CLED16數字系統方框圖


圖3.CY8CLED16模擬系統方框圖

4路LED演示板

4 Channel LED Demo Board

Cypress pSOC controller based 4-Channel High Power LED Driver Board

圖4.4路LED演示板電路圖(1)

圖5.4路LED演示板電路圖(2)

圖6.4路LED演示板電路圖(3)

4路LED演示板材料清單見Excel.

4路LED演示板材料清單.xls

詳情請見:
http://www.cypress.com/?docID=5887

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