NEGATIVE CHARGE PUMP REGULATION
PROBLEM TO BE SOLVED: To provide negative charge pump regulation.SOLUTION: A negative charge pump is responsive to a pump enable signal. A voltage controlled current source provides a current. A resistor is coupled between a node from the voltage controlled current source and a negative charge outpu...
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| creator | GILLES J MULLER KARTHIK RAMANAN JOHN S CHOI |
| description | PROBLEM TO BE SOLVED: To provide negative charge pump regulation.SOLUTION: A negative charge pump is responsive to a pump enable signal. A voltage controlled current source provides a current. A resistor is coupled between a node from the voltage controlled current source and a negative charge output from the negative charge pump. A capacitor is placed in parallel with the resistor. A comparator generates the pump enable signal to control the negative charge pump. The comparator is coupled to the resistor and the capacitor, measures an IR drop thereacross and compares the measurement value against a reference threshold. A level of the pump enable signal can be variable by tuning an amount of resistance of the resistor or the capacitor or adjusting the reference threshold. A memory can be driven by a method of the negative charge pump. |
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A voltage controlled current source provides a current. A resistor is coupled between a node from the voltage controlled current source and a negative charge output from the negative charge pump. A capacitor is placed in parallel with the resistor. A comparator generates the pump enable signal to control the negative charge pump. The comparator is coupled to the resistor and the capacitor, measures an IR drop thereacross and compares the measurement value against a reference threshold. A level of the pump enable signal can be variable by tuning an amount of resistance of the resistor or the capacitor or adjusting the reference threshold. 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A memory can be driven by a method of the negative charge pump.</description><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</subject><subject>CONTROL OR REGULATION THEREOF</subject><subject>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><subject>INFORMATION STORAGE</subject><subject>PHYSICS</subject><subject>STATIC STORES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJD3c3V3DPEMc1Vw9nAMcndVCAj1DVAIcnUP9QEK-_vxMLCmJeYUp_JCaW4GJTfXEGcP3dSC_PjU4oLE5NS81JJ4rwAjA0MTQwtjc2NTR2OiFAEAFdUiFw</recordid><startdate>20140929</startdate><enddate>20140929</enddate><creator>GILLES J MULLER</creator><creator>KARTHIK RAMANAN</creator><creator>JOHN S CHOI</creator><scope>EVB</scope></search><sort><creationdate>20140929</creationdate><title>NEGATIVE CHARGE PUMP REGULATION</title><author>GILLES J MULLER ; KARTHIK RAMANAN ; JOHN S CHOI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2014183735A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2014</creationdate><topic>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</topic><topic>CONTROL OR REGULATION THEREOF</topic><topic>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><topic>INFORMATION STORAGE</topic><topic>PHYSICS</topic><topic>STATIC STORES</topic><toplevel>online_resources</toplevel><creatorcontrib>GILLES J MULLER</creatorcontrib><creatorcontrib>KARTHIK RAMANAN</creatorcontrib><creatorcontrib>JOHN S CHOI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GILLES J MULLER</au><au>KARTHIK RAMANAN</au><au>JOHN S CHOI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>NEGATIVE CHARGE PUMP REGULATION</title><date>2014-09-29</date><risdate>2014</risdate><abstract>PROBLEM TO BE SOLVED: To provide negative charge pump regulation.SOLUTION: A negative charge pump is responsive to a pump enable signal. A voltage controlled current source provides a current. A resistor is coupled between a node from the voltage controlled current source and a negative charge output from the negative charge pump. A capacitor is placed in parallel with the resistor. A comparator generates the pump enable signal to control the negative charge pump. The comparator is coupled to the resistor and the capacitor, measures an IR drop thereacross and compares the measurement value against a reference threshold. A level of the pump enable signal can be variable by tuning an amount of resistance of the resistor or the capacitor or adjusting the reference threshold. A memory can be driven by a method of the negative charge pump.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INFORMATION STORAGE PHYSICS STATIC STORES |
| title | NEGATIVE CHARGE PUMP REGULATION |
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