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US 2021/0067149 A1Published application
Voltage comparison circuit
AssigneeRohm Co., Ltd.
InventorMakoto Yasusaka
Life of this patent
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Abstract
A comparator receives a target voltage and a reference voltage at its inverting and non-inverting input terminals, and outputs a signal corresponding to the level relationship between those voltages A node provided on the output side of the comparator is fed with a signal equivalent to the output signal of the comparator. Between the node and tine non-inverting input terminal of the comparator, a capacitor is inserted.
Claims12
A voltage comparison circuit comprising:
- a comparator configured
- to receive a first voltage and a second voltage,
- to output a signal with a predetermined first level in a first state where a level of the first voltage is lower than a level of the second voltage, and
- to output a signal with a predetermined second level different from the first level in a second state where the level of the first voltage is higher than the level of the second voltage;
- and
- a capacitor,
- wherein
- one end of the capacitor is connected to an input-side node fed with the first or second voltage, and
- another end of the capacitor is connected to an output-side node fed with a signal corresponding to an output signal of the comparator.
6 more elements
Dependencies are inferred from the claim text.