Power-on reset circuit, chip and electronic equipment
The embodiment of the invention provides a power-on reset circuit, a chip and electronic equipment, and the power-on reset circuit comprises a power-on reset module which comprises a voltage dividing unit which is used for carrying out the voltage dividing of a power supply voltage; the comparison u...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
15.03.2024
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Subjects | |
Online Access | Get full text |
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Summary: | The embodiment of the invention provides a power-on reset circuit, a chip and electronic equipment, and the power-on reset circuit comprises a power-on reset module which comprises a voltage dividing unit which is used for carrying out the voltage dividing of a power supply voltage; the comparison unit is used for comparing the voltage division output with a reference voltage to generate a power-on reset signal; the first current mirror is used for generating first current; the impedance module is used for generating control voltage based on the first current; the control module is used for generating a control signal based on the control voltage and the power supply voltage; wherein when the power supply voltage is greater than the first threshold voltage, the control signal is a first level, and the power-on reset module is closed; when the power supply voltage is smaller than the first threshold voltage, the control signal is a second level, and the power-on reset module is started; the first threshold vol |
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Bibliography: | Application Number: CN202311829988 |