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CanSemi Patent Publication for a Voltage Detection Circuit, Voltage Detection Method, and Electronic Equipment

Article Source：Tianyancha | Author：Kinri Energy | Issuing Time：2024.05.24
According to Tianyancha, CanSemi Semiconductor Technology Co., Ltd. has released a patent for a voltage detection circuit, voltage detection method, and electronic equipment. The application publication date is May 14, 2024, and the application publication number is CN118033215A.

The present invention provides a voltage detection circuit, a voltage detection method, and an electronic device. The circuit comprises a first MOSFET module, a second MOSFET module, a first MOSFET, a second MOSFET, a third MOSFET, a first comparator, and an inverter module; The input terminal of the first MOSFET module and the input terminal of the second MOSFET module are connected to the power supply terminal; The source of the first MOS transistor and the source of the second MOS transistor are grounded; The output terminal of the first MOSFET module and the drain of the first MOSFET are connected to the same direction input terminal of the first comparator; The output terminal of the second MOSFET module and the drain of the second MOSFET are connected to the reverse input terminal of the first comparator; The output terminal of the first comparator is connected to the drain of the third MOSFET; The source of the third MOSFET is connected to the input terminal of the inverter module; The gate of the third MOSFET is connected to a latch signal. The present invention can improve the stability and reliability of power supply voltage identification.


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