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9/10000 实时翻译 划译 Electronic cigarette specific touch chip

Single channel capacitive touch chip
CT8337-F/QK

CT8337-F/QK is a low-power single channel capacitive touch chip with built-in voltage regulator module and multiple packaging options, which can replace traditional mechanical switches. Made using CMOS technology, with built-in high-precision voltage stabilization modules, hardware stabilization, and environmental value adaptive algorithms, among other effective measures, greatly improving its anti-interference performance. It can achieve touch function with high safety when isolated and protected by media such as plastic casing, glass ceramic, acrylic, etc. With ultra-low power consumption and wide operating voltage characteristics, it is widely used in consumer electronic products such as electronic cigarette touch control and lighting control.

Product detail

Working voltage: 2.4V~5.5V


Working current: 1.5uA@3V No load low power mode


Complete power on initialization within 0.5 seconds after stable power on


Reliable power on reset (POR)


Built in anti jitter circuit, which can effectively prevent misoperation caused by external noise interference


Provide the longest touch button output time of about 16 seconds


Environmental adaptive function, which can quickly cope with similar application scenarios such as first powering on and then covering the medium, touch powering on, etc


Automatic calibration function: Within the first 8 seconds of power on, the reference value is refreshed approximately every 1 second. If there are touch buttons within this 8 seconds or if there are no touch buttons after 8 seconds, the recalibration cycle will be switched to 4 seconds


Optional high/low level effective output, fast/low power consumption mode


Push pull output: CT8337-F


Open drain output: CT8337-QK


Packaging form: DFN1 * 1-4L/DFN2 * 2-6L/SOT23-6L


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