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首页 > Products > Led Driver > Touch IC > Touch Key IC >Cxtc8921 is a dual channel capacitive touch table lamp control chip, which can control two channels by single touch Output The application circuit of cxtc8921 is simple. Only two capacitors
Cxtc8921 is a dual channel capacitive touch table lamp control chip, which can control two channels by single touch Output The application circuit of cxtc8921 is simple. Only two capacitors

Cxtc8921 is a dual channel capacitive touch table lamp control chip, which can control two channels by single touch
Output. The application circuit of cxtc8921 is simple. Only two capacitors and one resistor are needed to realize touch control
Function, convenient processing, low cost, and the use of capacitive detection mode can achieve touch switch and control circuit phase
Isolation, safe and reliable.
Cxtc8921 not only has the simple function of turning on or off the touch switch control, but also has the touch of stepless dimming
Mode, the duty cycle can be 0% to 100% dimming

Cxtc8921 is a dual channel capacitive touch table lamp control chip, which can control two channels by single touch Output The application circuit of cxtc8921 is simple. Only two capacitors
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                          目录i8H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)i8H嘉泰姆

   5.产品封装      6.电路原理图     7.相关产品i8H嘉泰姆

一.产品概述i8H嘉泰姆


   CXTC8921是一款双通道电容式的触摸台灯控制芯片,可用单键触摸来控制两路输出。CXTC8921应用电路简单,外围仅需两个电容和一个电阻就可以实现触摸控制功能,加工方便、成本低,并且采用电容式检测方式可实现触摸开关与控制电路相i8H嘉泰姆

隔离,安全可靠。i8H嘉泰姆

  CXTC8921不仅具有简单的开启或关闭触摸开关控制功能,还具有无极调光的控触模式,可实现占空比0%到100%的调光。CXTC8921自带一定的负载输出能力,也可以使用外置的NPN或者NMOS实现扩流。CXTC8921还可以与CXLE8627、CXLE8626和CXLE8625结合使用来实现LED的恒流驱动。i8H嘉泰姆

  CXTC8921采用SOP8封装。  i8H嘉泰姆

二.产品特点i8H嘉泰姆


电源电压:3.0V~6.0Vi8H嘉泰姆
工作模式:单键触摸控制两通道 i8H嘉泰姆
无极调光:占空比0%~100%内置上电复位i8H嘉泰姆
自带负载输出能力:i8H嘉泰姆
IOUT =100mA @6.0Vi8H嘉泰姆
IOUT =77mA @5.0Vi8H嘉泰姆
IOUT =43mA @4.0V

三.应用范围i8H嘉泰姆


触摸调光台灯 i8H嘉泰姆
便携式照明设备    
i8H嘉泰姆

四.技术规格书(产品PDF)i8H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!i8H嘉泰姆

 QQ截图20160419174301.jpgi8H嘉泰姆

五.产品封装图i8H嘉泰姆


blob.png  i8H嘉泰姆

六.电路原理图i8H嘉泰姆


blob.png   i8H嘉泰姆

七.相关芯片选择指南i8H嘉泰姆


触摸IC
产品型号 输入电压 输出电压 输出电流 工作效率 产品封装 备注
CXTC8921 0.9-6V 低于输出 2A 90 SOP-8 触摸控制