Shenzhen Goodix Technology Co., Ltd.

Chenyang Kong

Si Herng Ng

Long Huang

The present application provides a touch driving circuit, a driving chip and a touch display device. The touch driving circuit is configured to output a driving signal to drive a touch electrode of the touch display device; and the touch driving circuit includes: a power supply voltage generation circuit, a switching circuit and a first energy storage capacitor, where a first input end of the switching circuit is connected to the power supply voltage generation circuit; a second input end of the switching circuit is connected to a ground terminal GND through the first energy storage capacitor; a third input end of the switching circuit is connected to the ground terminal GND; an output end of the switching circuit is connected to the touch electrode; the power supply voltage generation circuit is configured to generate a first positive voltage; the switching circuit is configured to control the touch electrode to be connected to the power supply voltage generation circuit during a first period of time, and control the touch electrode to be connected to the first energy storage capacitor during a second period of time, and control the touch electrode to be connected to the ground terminal GND during a third period of time. The touch driving circuit has lower driving power consumption.

Touch driving circuit, driving chip, and touch display device

Some embodiments of the present disclosure relate to electronic technologies, and provide a detection circuit. According to embodiments of the present disclosure, the detection circuit includes a first load module, a second load module, a third load module, a first detection module, a second detection module, and an obtaining module. A first end of the first detection module is connected to a junction between a first detection electrode and the first load module, a second end of the first detection module is connected to the obtaining module, a first end of the second detection module is connected to a junction between a second detection electrode and the second load module, and a second end of the second detection module is connected to the obtaining module.

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Shenzhen, China

Chenyang Kong