Cxtc8922l is a single touch and proximity switch, which is used to replace the traditional mechanical switch. The IC is made by CMOS technology, with simple structure and stable performance. The IC can be configured into various modes through pins and can be widely used in light control, toys, home appliances and other products
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[ CXTC8922L ]"
目录
7.相关产品
产品概述 返回TOP
The CXTC8922B TonTouchTM is a touch pad detector IC which offers 1 touch key. The device built-in regulator for touch sensor. Stable sensing method can cover diversity conditions. The touching detection IC is designed for replacing traditional direct button key with diverse pad size. Low power consumption and wide operating voltage are the contact key features for DC or AC application
产品特点 返回TOP
z Operating voltage 2.4V ~ 5.5V
z Built-in regulator for touch sensor
z Built-in low voltage reset (LVR) function
z Operating current, @VDD=3V no load At low power mode typical 2.5uA, maximum 5uA
z The response time max about 220mS at low power mode @VDD=3V
z Sensitivity can adjust by the capacitance（1~50pF）outside
z Stable touching detection of human body for replacing traditional direct switch key
z Provides Low Power mode
z Provides direct output or toggle output selection by pin option (TOG pin)
z Q pin is CMOS output can be selected active high or active low by pin option (AHLB pin)
z After power-on have about 0.5sec stable-time, during the time do not touch the key pad, and the function is disabled
z Auto calibration for life The re-calibration period is about 1 sec within 8 sec after power-on. When key has been touched within 8 sec or key has not been touched more than 8 sec after power-on, then the re-calibration period change to 4 sec
应用范围 返回TOP
z Wide consumer products
z Button key replacement
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产品封装图 返回TOP
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| 触摸按键IC | ||||||
| 型号 | 工作电压 | 工作电流 | 按键数 | 响应时间 | 封装 | 应用领域 |
| CXTC8922 | 2.0V-5.5V | 1.5uA | 1键 | 40mS | SOT-26 | 最大按键开启时间75s,家电照明各类电子产品 |
| CXTC8922B | 2.4-5.5V | 2.5uA | 1键 | 220mS | SOT-26 | 禁止最大按键开启时间，需长按键电子产品 |
| CXTC8922L | 2.0V-5.5V | 1.5uA | 1键 | 40mS | SOT-26 | 带10s自恢复功能，移动电源专用 |
| CXTC8923 | 2.0V-5.5V | 8uA | 2键 | 60mS | SOP8 | 家电/照明等各类电子产品 |
| CXTC8924 | 2.5V-5.5V | 4.3uA | 6键 | 32mS | SOP-16 | 家电/照明等各类电子产品 |
| CXTC8925 | 2.0V-5.5V | 5uA | 8/16键 | 32mS | SSOP-28 | 家电/照明等各类电子产品 |
| CXTC8926 | 2.0V-5.5V | 7uA | 1键 | 40mS | SOP8/SOT26 | LED台灯，带无级调光/分段调光 |
| CXTC8927 | 3.0V-6.0V | 250uA | 1键 | SOP8/DIP8 | LED台灯，2通道输出，带无级调光 | |
