Soft-starting switch circuit

The utility model provides a soft-starting switch circuit, comprising a mechanical micro-motion key switch, a voltage comparator, a clamping circuit, an embedded processor, a sampling control circuit and a PMOSFET transistor, wherein one end of the mechanical micro-motion key switch is grounded, the...

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Main Authors WANG GUIPING, WANG XIAOYAN, WANG HUIFENG, GUAN LIMIN, CHAI CAIPING
Format Patent
LanguageChinese
English
Published 24.07.2013
Subjects
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
PULSE TECHNIQUE
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Abstract The utility model provides a soft-starting switch circuit, comprising a mechanical micro-motion key switch, a voltage comparator, a clamping circuit, an embedded processor, a sampling control circuit and a PMOSFET transistor, wherein one end of the mechanical micro-motion key switch is grounded, the other end is connected with a non-inverting input end of the voltage comparator, the clamping circuit is connected with an inverting input end of the voltage comparator, a comparison output end of the voltage comparator is connected with an input port of the embedded processor, an output port of the embedded processor is connected with the sampling control circuit, one end of a sampling resistor is connected with the source of the PMOSFET transistor, the other end is connected with the gate of the PMOSFET transistor, one end of a first resistor is connected with the non-inverting input end of the voltage comparator, the other end is connected with the gate of the PMOSFET transistor, one end of a second resistor is
AbstractList The utility model provides a soft-starting switch circuit, comprising a mechanical micro-motion key switch, a voltage comparator, a clamping circuit, an embedded processor, a sampling control circuit and a PMOSFET transistor, wherein one end of the mechanical micro-motion key switch is grounded, the other end is connected with a non-inverting input end of the voltage comparator, the clamping circuit is connected with an inverting input end of the voltage comparator, a comparison output end of the voltage comparator is connected with an input port of the embedded processor, an output port of the embedded processor is connected with the sampling control circuit, one end of a sampling resistor is connected with the source of the PMOSFET transistor, the other end is connected with the gate of the PMOSFET transistor, one end of a first resistor is connected with the non-inverting input end of the voltage comparator, the other end is connected with the gate of the PMOSFET transistor, one end of a second resistor is
Author WANG GUIPING
WANG HUIFENG
GUAN LIMIN
WANG XIAOYAN
CHAI CAIPING
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Snippet The utility model provides a soft-starting switch circuit, comprising a mechanical micro-motion key switch, a voltage comparator, a clamping circuit, an...
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ELECTRICITY
PULSE TECHNIQUE
Title Soft-starting switch circuit
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