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首页 > Products > Led Driver > Streetlight Spotlight Loghting Desk-lamp Lawn-lamp > Parallel LED Landscape Lighting Drive >Cxle8784p is a parallel differential transmission four channel LED driver output control chip which is compatible with and extends DMX512 (1990) signal protocol
Cxle8784p is a parallel differential transmission four channel LED driver output control chip which is compatible with and extends DMX512 (1990) signal protocol

The chip contains power supply voltage stabilizing circuit, time-based circuit, 485 module, signal decoding module, data buffer, built-in oscillator, four channel constant current driver with a default output current of 17mA. At the same time, the user can also adjust the required current through the external next resistor. The SPWM gray level is 65536, and the SPWM output supports the polarity reversal at the output out end. The built-in EEPROM stores the chip address, and the data bus automatically writes the address once, which can exit the address writing state online without power on again.

Cxle8784p is a parallel differential transmission four channel LED driver output control chip which is compatible with and extends DMX512 (1990) signal protocol
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                          目录fkc嘉泰姆

   1.产品概述      2.产品特点      3.应用范围     4.技术规格书下载(PDF文档)fkc嘉泰姆

   5.产品封装      6.电路原理图     7.相关产品fkc嘉泰姆

一.产品概述fkc嘉泰姆


   CXLE8784P是并联差分传输四通道LED驱动输出控制专用芯片,兼容并扩展DMX512(1990)信号协议。fkc嘉泰姆

  芯片内含电源稳压电路,时基电路,485模块,信号解码模块,数据缓存器,内置振荡器,四通道恒流驱动器默认输出电流17mA,同时用户也可以通过外挂REXT电阻调节所需的电流,SPWM灰度等级65536级,SPWM输出,支持输出OUT端极性反转。内置EEPROM存放芯片地址,数据总线一次性自动写地址,可在线退出写地址状态,无需重新上电。双线差分传输,带载点数多,抗干能力强,传输距离远fkc嘉泰姆

二.产品特点fkc嘉泰姆


OUTR/G/B/W默认电流17mA,外接REXT电阻调节最大电流至60mAfkc嘉泰姆

软件设置上电默认显示状态(不亮灯、22%白光、100%白光、22%蓝光)fkc嘉泰姆

数据总线写地址,控制器至第一灯点需接A/B数据总线,无需接地址线fkc嘉泰姆

写地址成功后亮绿灯,可在线退出写地址状态,灯具无需重新上电fkc嘉泰姆

OUTR/G/B/W输出端口耐压26Vfkc嘉泰姆

内置电源稳压电路,外部电源范围:5V~24Vfkc嘉泰姆

SPWM灰度等级65536级fkc嘉泰姆

SPWM控制OUT输出极性选择,接高电平(默认)时输出正常,接低电平时输出反相fkc嘉泰姆

兼容并扩展DMX512(1990)信号协议fkc嘉泰姆

信号传输速率:250Kbps~750kbpsfkc嘉泰姆

内置EEPROM,最大支持4096通道寻址fkc嘉泰姆

信号传输方式,双线差分并联fkc嘉泰姆

内置485解码模块,抗干扰能力强,传输距离远fkc嘉泰姆

具有1/3/4通道选择功能fkc嘉泰姆

封装形式:SOP16fkc嘉泰姆

三.应用范围fkc嘉泰姆


室内LED装饰照明fkc嘉泰姆

建筑LED外观/情景照明fkc嘉泰姆

洗墙灯、窗帘屏fkc嘉泰姆

穿孔字、护栏管           fkc嘉泰姆

四.技术规格书(产品PDF)fkc嘉泰姆


需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持!fkc嘉泰姆

 QQ截图20160419174301.jpgfkc嘉泰姆

五.产品封装图fkc嘉泰姆


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六.电路原理图fkc嘉泰姆


   fkc嘉泰姆

七.相关芯片选择指南    更多同类产品......fkc嘉泰姆


》并联方式LED景观照明驱动系列fkc嘉泰姆

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