Electrostatic discharge protection for class D power amplifiers

Electrostatic discharge protection for Class D power amplifiers is disclosed. In an exemplary embodiment, an apparatus includes an amplifier having an output transistor coupled to an interface pad, a snapback supply clamp coupled across first and second supplies of the amplifier and configured to pr...

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Hauptverfasser:	SRIVASTAVA ANKIT, WORLEY EUGENE ROBERT
Format:	Patent
Sprache:	eng
Schlagworte:	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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creator	SRIVASTAVA ANKIT WORLEY EUGENE ROBERT
description	Electrostatic discharge protection for Class D power amplifiers is disclosed. In an exemplary embodiment, an apparatus includes an amplifier having an output transistor coupled to an interface pad, a snapback supply clamp coupled across first and second supplies of the amplifier and configured to provide a clamp voltage across the first and second supplies during ESD event; and a trigger circuit coupled to the output transistor, the trigger circuit configured to detect the clamp voltage and to enable the output transistor to provide a discharge path from the interface pad to the second supply when the clamp voltage is detected.
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In an exemplary embodiment, an apparatus includes an amplifier having an output transistor coupled to an interface pad, a snapback supply clamp coupled across first and second supplies of the amplifier and configured to provide a clamp voltage across the first and second supplies during ESD event; and a trigger circuit coupled to the output transistor, the trigger circuit configured to detect the clamp voltage and to enable the output transistor to provide a discharge path from the interface pad to the second supply when the clamp voltage is detected.</description><language>eng</language><subject>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</subject><creationdate>2015</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150610&DB=EPODOC&CC=CN&NR=104704633A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150610&DB=EPODOC&CC=CN&NR=104704633A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SRIVASTAVA ANKIT</creatorcontrib><creatorcontrib>WORLEY EUGENE ROBERT</creatorcontrib><title>Electrostatic discharge protection for class D power amplifiers</title><description>Electrostatic discharge protection for Class D power amplifiers is disclosed. In an exemplary embodiment, an apparatus includes an amplifier having an output transistor coupled to an interface pad, a snapback supply clamp coupled across first and second supplies of the amplifier and configured to provide a clamp voltage across the first and second supplies during ESD event; and a trigger circuit coupled to the output transistor, the trigger circuit configured to detect the clamp voltage and to enable the output transistor to provide a discharge path from the interface pad to the second supply when the clamp voltage is detected.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS</subject><subject>GENERATION</subject><subject>SEMICONDUCTOR DEVICES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLB3zUlNLinKLy5JLMlMVkjJLE7OSCxKT1UoKMovAcpk5ucppOUXKSTnJBYXK7goFOSXpxYpJOYW5GSmZaYWFfMwsKYl5hSn8kJpbgZFN9cQZw_d1IL8-NTigsTk1LzUknhnP0MDE3MDEzNjY0djYtQAAMOZMT8</recordid><startdate>20150610</startdate><enddate>20150610</enddate><creator>SRIVASTAVA ANKIT</creator><creator>WORLEY EUGENE ROBERT</creator><scope>EVB</scope></search><sort><creationdate>20150610</creationdate><title>Electrostatic discharge protection for class D power amplifiers</title><author>SRIVASTAVA ANKIT ; WORLEY EUGENE ROBERT</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN104704633A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS</topic><topic>GENERATION</topic><topic>SEMICONDUCTOR DEVICES</topic><toplevel>online_resources</toplevel><creatorcontrib>SRIVASTAVA ANKIT</creatorcontrib><creatorcontrib>WORLEY EUGENE ROBERT</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SRIVASTAVA ANKIT</au><au>WORLEY EUGENE ROBERT</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Electrostatic discharge protection for class D power amplifiers</title><date>2015-06-10</date><risdate>2015</risdate><abstract>Electrostatic discharge protection for Class D power amplifiers is disclosed. In an exemplary embodiment, an apparatus includes an amplifier having an output transistor coupled to an interface pad, a snapback supply clamp coupled across first and second supplies of the amplifier and configured to provide a clamp voltage across the first and second supplies during ESD event; and a trigger circuit coupled to the output transistor, the trigger circuit configured to detect the clamp voltage and to enable the output transistor to provide a discharge path from the interface pad to the second supply when the clamp voltage is detected.</abstract><oa>free_for_read</oa></addata></record>
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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
title	Electrostatic discharge protection for class D power amplifiers
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