Output driver comprising MOS switches with adjustable back biasing
The present disclosure relates to an integrated circuit output driver, e.g. operating in class-D, for driving an audio transducer. The integrated circuit output driver comprises a first half-bridge driver comprising a first PMOS transistor and a first NMOS transistor connected in series between posi...
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| creator | Asbeck, Per Jensen, Dan Raun |
| description | The present disclosure relates to an integrated circuit output driver, e.g. operating in class-D, for driving an audio transducer. The integrated circuit output driver comprises a first half-bridge driver comprising a first PMOS transistor and a first NMOS transistor connected in series between positive and negative supply voltage rails. A first body terminal is connected to a body of the first PMOS transistor for receipt of a first back bias voltage and a second body terminal connected to a body of the first NMOS transistor for receipt of a second back bias voltage. The integrated circuit output driver comprises a bias voltage generator configured to adjust at least one of the first back bias voltage and the second back bias voltage to control on-resistance of the first PMOS transistor and/or the first NMOS transistor. The integrated circuit output driver is well-suited for hearing aids, headsets and other audio devices. |
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| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_US10396791B2</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>US10396791B2</sourcerecordid><originalsourceid>FETCH-epo_espacenet_US10396791B23</originalsourceid><addsrcrecordid>eNrjZHDyLy0pKC1RSCnKLEstUkjOzy0oyizOzEtX8PUPViguzyxJzkgtVgDSGQqJKVmlxSWJSTmpCkmJydkKSZmJIJU8DKxpiTnFqbxQmptB0c01xNlDN7UgPz61uCAxOTUvtSQ-NNjQwNjSzNzS0MnImBg1AFlqMl8</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Output driver comprising MOS switches with adjustable back biasing</title><source>esp@cenet</source><creator>Asbeck, Per ; Jensen, Dan Raun</creator><creatorcontrib>Asbeck, Per ; Jensen, Dan Raun</creatorcontrib><description>The present disclosure relates to an integrated circuit output driver, e.g. operating in class-D, for driving an audio transducer. The integrated circuit output driver comprises a first half-bridge driver comprising a first PMOS transistor and a first NMOS transistor connected in series between positive and negative supply voltage rails. A first body terminal is connected to a body of the first PMOS transistor for receipt of a first back bias voltage and a second body terminal connected to a body of the first NMOS transistor for receipt of a second back bias voltage. The integrated circuit output driver comprises a bias voltage generator configured to adjust at least one of the first back bias voltage and the second back bias voltage to control on-resistance of the first PMOS transistor and/or the first NMOS transistor. The integrated circuit output driver is well-suited for hearing aids, headsets and other audio devices.</description><language>eng</language><subject>AMPLIFIERS ; BASIC ELECTRIC ELEMENTS ; BASIC ELECTRONIC CIRCUITRY ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; PULSE TECHNIQUE ; SEMICONDUCTOR DEVICES</subject><creationdate>2019</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=20190827&DB=EPODOC&CC=US&NR=10396791B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190827&DB=EPODOC&CC=US&NR=10396791B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Asbeck, Per</creatorcontrib><creatorcontrib>Jensen, Dan Raun</creatorcontrib><title>Output driver comprising MOS switches with adjustable back biasing</title><description>The present disclosure relates to an integrated circuit output driver, e.g. operating in class-D, for driving an audio transducer. The integrated circuit output driver comprises a first half-bridge driver comprising a first PMOS transistor and a first NMOS transistor connected in series between positive and negative supply voltage rails. A first body terminal is connected to a body of the first PMOS transistor for receipt of a first back bias voltage and a second body terminal connected to a body of the first NMOS transistor for receipt of a second back bias voltage. The integrated circuit output driver comprises a bias voltage generator configured to adjust at least one of the first back bias voltage and the second back bias voltage to control on-resistance of the first PMOS transistor and/or the first NMOS transistor. The integrated circuit output driver is well-suited for hearing aids, headsets and other audio devices.</description><subject>AMPLIFIERS</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>BASIC ELECTRONIC CIRCUITRY</subject><subject>ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>PULSE TECHNIQUE</subject><subject>SEMICONDUCTOR DEVICES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHDyLy0pKC1RSCnKLEstUkjOzy0oyizOzEtX8PUPViguzyxJzkgtVgDSGQqJKVmlxSWJSTmpCkmJydkKSZmJIJU8DKxpiTnFqbxQmptB0c01xNlDN7UgPz61uCAxOTUvtSQ-NNjQwNjSzNzS0MnImBg1AFlqMl8</recordid><startdate>20190827</startdate><enddate>20190827</enddate><creator>Asbeck, Per</creator><creator>Jensen, Dan Raun</creator><scope>EVB</scope></search><sort><creationdate>20190827</creationdate><title>Output driver comprising MOS switches with adjustable back biasing</title><author>Asbeck, Per ; Jensen, Dan Raun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US10396791B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2019</creationdate><topic>AMPLIFIERS</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>BASIC ELECTRONIC CIRCUITRY</topic><topic>ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>PULSE TECHNIQUE</topic><topic>SEMICONDUCTOR DEVICES</topic><toplevel>online_resources</toplevel><creatorcontrib>Asbeck, Per</creatorcontrib><creatorcontrib>Jensen, Dan Raun</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Asbeck, Per</au><au>Jensen, Dan Raun</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Output driver comprising MOS switches with adjustable back biasing</title><date>2019-08-27</date><risdate>2019</risdate><abstract>The present disclosure relates to an integrated circuit output driver, e.g. operating in class-D, for driving an audio transducer. The integrated circuit output driver comprises a first half-bridge driver comprising a first PMOS transistor and a first NMOS transistor connected in series between positive and negative supply voltage rails. A first body terminal is connected to a body of the first PMOS transistor for receipt of a first back bias voltage and a second body terminal connected to a body of the first NMOS transistor for receipt of a second back bias voltage. The integrated circuit output driver comprises a bias voltage generator configured to adjust at least one of the first back bias voltage and the second back bias voltage to control on-resistance of the first PMOS transistor and/or the first NMOS transistor. The integrated circuit output driver is well-suited for hearing aids, headsets and other audio devices.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AMPLIFIERS BASIC ELECTRIC ELEMENTS BASIC ELECTRONIC CIRCUITRY ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY PULSE TECHNIQUE SEMICONDUCTOR DEVICES |
| title | Output driver comprising MOS switches with adjustable back biasing |
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