概览

简介

无触摸式按键解决方案可广泛应用于家庭(照明开关、浴室开关等)和公共场所(自动售货机、电动门等)。 无需直接接触按键即可检测到触摸;从而减少细菌和污垢在手指上粘附。 无接触式按键解决方案减轻了对表面污染的担忧。

瑞萨电子提供无接触式按键解决方案参考设计。更多信息,请访问 Touchless Button Reference Design

系统优势:

  • 入门级 RA 32 位 MCU 配备电容式触摸传感器单元 2(CTSU2),可提供高灵敏度和高干扰抑制的无接触式控制。所有带CTSU功能的瑞萨MCU也适用于此方案。
  • 超低 Iq 升降压可以完全提取低至 1.8V 的电池功率。
  • 输出电压可由 I2C 总线调节。

产品对比

应用

应用

  • 电梯、自动售货机、售票机
  • 厕所冲水,水龙头
  • 自动门按钮
  • 冰箱、微波炉、抽油烟机等厨房电器

成功产品组合交互框图

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Template 1 Connector Arrow.218 Optional Non-Renesas Component Option Option Connector Arrow.183 Diode Sheet.65 Sheet.66 Sheet.67 Connector Arrow.37 Touch Key Sheet.39 Sheet.40 Sheet.41 Sheet.42 Sheet.43 Sheet.44 Sheet.45 Sheet.46 Sheet.47 Touch Key.48 Touch Key Touch Key CN318 CN318 CN318 AC Line AC Line AC Line Plug Sheet.169 Sheet.170 Sheet.171 Sheet.172 AC Power Source.172 Sheet.174 Alternating Current LED Driver LED Driver LED Driver Connector Arrow.180 Sheet.182 LED Segment Display Sheet.124 Sheet.125 Sheet.126 Sheet.127 Sheet.128 Sheet.129 Sheet.130 Sheet.131 Sheet.132 Sheet.133 Sheet.134 Sheet.135 Sheet.136 Sheet.137 Sheet.138 Sheet.139 Sheet.140 Sheet.141 Sheet.142 Sheet.143 Sheet.144 Sheet.145 Sheet.146 Sheet.147 Sheet.148 Sheet.149 Sheet.150 Sheet.151 Sheet.152 Sheet.153 ON ON Sheet.154 OFF OFF Sheet.155 Sheet.156 Sheet.157 Sheet.158 Sheet.159 Sheet.160 Sheet.161 Sheet.162 LED LED LED Connector Arrow 3.3V 3.3V 3.3V RS-485/422 RS-485/422 RS-485/422 Bi-directional Bi-directional.189 RS-485 RS-485 RS-485 Buck-Boost Buck-Boost Buck-Boost Buck-Boost VIN VIN VIN VOUT VOUT VOUT I2C.197 I2C I2C Connector Arrow.199 Isolated AC/DC Isolated AC/DC Isolated AC/DC Connector Arrow.203 Connector Arrow.204 Battery 2-Cell Sheet.206 Sheet.207 Sheet.208 Sheet.209 Line 1pt.1552 Line 1pt.1608 Ground (earth) Sheet.213 Sheet.214 Sheet.215 Sheet.216 Bi-directional.219 Connector 1.160 3.3V.221 3.3V 3.3V Bi-directional.223 MCU MCU MCU MCU UART UART UART CTSU CTSU CTSU PWM GPIO GPIO I2C I2C I2C ADC 2 12-bit ADC 12-bit ADC
Exiting Interactive Block Diagram