ACTIVE ESD CLAMP DEACTIVATION

A circuit includes electrostatic discharge (ESD) protection circuitry, triggering circuitry, transient detection circuitry, and deactivation circuitry. The ESD protection circuitry is coupled between a first rail and a second rail. The triggering circuitry is configured to generate an ESD activation...

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Bibliographic Details
Main Authors Hinderer, Thorsten, Glaser, Ulrich
Format Patent
LanguageEnglish
Published 08.08.2019
Subjects
BASIC ELECTRIC ELEMENTS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
SEMICONDUCTOR DEVICES
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Summary:A circuit includes electrostatic discharge (ESD) protection circuitry, triggering circuitry, transient detection circuitry, and deactivation circuitry. The ESD protection circuitry is coupled between a first rail and a second rail. The triggering circuitry is configured to generate an ESD activation signal when a voltage across the first rail and the second rail exceeds a voltage threshold. The ESD protection circuitry is configured to activate based on the ESD activation signal. The transient detection circuitry is configured to generate a deactivation signal when the voltage across the first rail and the second rail comprises a voltage change over time that is less than a transient threshold. The deactivation circuitry is configured to deactivate the triggering circuitry based on the deactivation signal.
Bibliography:Application Number: US201815890102