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

12-bit AD master controller for electronic cigarette &10-channel capacitive touch chip
CE8703

        CE8703 is a high-performance electronic cigarette main control chip, which is manufactured by CMOS process, and is integrated with many effective measures such as high-precision voltage stabilizing module, hardware jitter elimination and adaptive algorithm of environmental value, which greatly improves its anti-interference performance. CE8703 has 13 IO ports that can be configured for independent input and output, and has 12-bit ADC detection function and 5-channel PWM internal generator, which can support up to 10 channels of touch detection. The chip can output various application modes through MCU software configuration, which can realize touch function under the condition of isolation protection of media (plastic shell, glass ceramics, acrylic, etc.), and has high security. It has the characteristics of ultra-low power consumption and wide working voltage, and is widely used in consumer electronic products such as electronic cigarette master control scheme and lighting control.

Product detail

Working voltage: 2.4~5.5V


Low power mode is about 10ua (25% @ vdd = 3v, CS=10nF).


2.5 kw OTP program memory; 160 byte data memory


Up to 10 touch detection can be supported.


Built-in electronic cigarette microphone detection algorithm


Five hardware PWM generators and a 16-bit hardware counter.


A hardware comparator and a 1T 8×8 hardware multiplier.


Up to 10 channels of 12-bit ADC, with one channel from the internal Bandgap reference voltage or 0.25*VDD.


Provide ADC reference high voltage: external input, internal VDD, Bandgap(1.20V), 4V, 3V, 2V.


Clock source: internal high frequency RC oscillator, internal low frequency RC oscillator.


For all IO with wake-up function, it supports two optional wake-up speeds: normal wake-up and fast wake-up.


16-segment LVR reset setting: 4.5~1.8V


4 optional external interrupt pins, and internal LDO can prevent touch noise.


Support low power consumption (NILRC) to wake up stopsys regularly.


The product can be used on the surface of glass, ceramics, plastics, acrylic and other media, and supports a glass shell with a thickness of 5 mm.


Package form: QFN3*3-16L


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