Electro-static discharge (ESD) power clamp with power up detection

An ESD power clamp utilizes both a transient triggering method integrated together with a voltage level detection circuit to disable a MOSFET transistor forming the ESD power clamp unless the voltage level on a relevant power supply rail is higher than a predetermined level above the normal power su...

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Bibliographic Details
Main Authors GRIESBACH WILLIAM R, LEUNG CHE CHOI C
Format Patent
LanguageEnglish
Published 17.07.2007
Subjects
BASIC ELECTRONIC CIRCUITRY
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
PULSE TECHNIQUE
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Abstract An ESD power clamp utilizes both a transient triggering method integrated together with a voltage level detection circuit to disable a MOSFET transistor forming the ESD power clamp unless the voltage level on a relevant power supply rail is higher than a predetermined level above the normal power supply voltage. When the voltage level of the power supply rail is higher than the predetermined level (e.g., 10% higher, 25% higher, etc.), then the power surge is presumed to be an ESD pulse, and thus the ESD power clamp is enabled to turn ON and discharge the ESD power surge.
AbstractList An ESD power clamp utilizes both a transient triggering method integrated together with a voltage level detection circuit to disable a MOSFET transistor forming the ESD power clamp unless the voltage level on a relevant power supply rail is higher than a predetermined level above the normal power supply voltage. When the voltage level of the power supply rail is higher than the predetermined level (e.g., 10% higher, 25% higher, etc.), then the power surge is presumed to be an ESD pulse, and thus the ESD power clamp is enabled to turn ON and discharge the ESD power surge.
Author LEUNG CHE CHOI C
GRIESBACH WILLIAM R
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Snippet An ESD power clamp utilizes both a transient triggering method integrated together with a voltage level detection circuit to disable a MOSFET transistor...
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SubjectTerms BASIC ELECTRONIC CIRCUITRY
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
PULSE TECHNIQUE
Title Electro-static discharge (ESD) power clamp with power up detection
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