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公开(公告)号：US11927624B2
公开(公告)日：2024-03-12
申请号：US17846397
申请日：2022-06-22
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Harsh Patel , Aalok Dyuti Saha , Sanjeev Praphulla Chandra Nyshadham , Subrato Roy , Gaurav Kumar Mittal
CPC classification number: G01R31/3008 , G01R19/2506
Abstract: One example includes a method for measuring a quiescent current in a switching voltage regulator. The method includes generating a mathematical model of a circuit design associated with the switching voltage regulator. The mathematical model includes measurable parameters to describe a switching current of a power switch of the switching voltage regulator. The method also includes fabricating a circuit comprising the switching voltage regulator based on the circuit design. The fabricated circuit includes the power switch and conductive I/O. The method also includes coupling the conductive I/O of the fabricated circuit to a circuit test fixture and providing electrical signals to the conductive I/O via the circuit test fixture. The method also includes measuring the measurable parameters in response to the electrical signals and applying the measurable parameters to the mathematical model to calculate the switching current. The method further includes calculating the quiescent current based on the switching current.
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公开(公告)号：US20240219459A1
公开(公告)日：2024-07-04
申请号：US18603071
申请日：2024-03-12
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： HARSH PATEL , Aalok Dyuti Saha , Sanjeev Praphulla Chandra Nyshadham , Subrato Roy , Gaurav Kumar Mittal
CPC classification number: G01R31/3008 , G01R19/2506
Abstract: One example includes a method for measuring a quiescent current in a switching voltage regulator. The method includes generating a mathematical model of a circuit design associated with the switching voltage regulator. The mathematical model includes measurable parameters to describe a switching current of a power switch of the switching voltage regulator. The method also includes fabricating a circuit comprising the switching voltage regulator based on the circuit design. The fabricated circuit includes the power switch and conductive I/O. The method also includes coupling the conductive I/O of the fabricated circuit to a circuit test fixture and providing electrical signals to the conductive I/O via the circuit test fixture. The method also includes measuring the measurable parameters in response to the electrical signals and applying the measurable parameters to the mathematical model to calculate the switching current. The method further includes calculating the quiescent current based on the switching current.
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公开(公告)号：US20230417829A1
公开(公告)日：2023-12-28
申请号：US17846397
申请日：2022-06-22
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： HARSH PATEL , Aalok Dyuti Saha , Sanjeev Praphulla Chandra Nyshadham , Subrato Roy , Gaurav Kumar Mittal
CPC classification number: G01R31/3008 , G01R19/2506
Abstract: One example includes a method for measuring a quiescent current in a switching voltage regulator. The method includes generating a mathematical model of a circuit design associated with the switching voltage regulator. The mathematical model includes measurable parameters to describe a switching current of a power switch of the switching voltage regulator. The method also includes fabricating a circuit comprising the switching voltage regulator based on the circuit design. The fabricated circuit includes the power switch and conductive I/O. The method also includes coupling the conductive I/O of the fabricated circuit to a circuit test fixture and providing electrical signals to the conductive I/O via the circuit test fixture. The method also includes measuring the measurable parameters in response to the electrical signals and applying the measurable parameters to the mathematical model to calculate the switching current. The method further includes calculating the quiescent current based on the switching current.
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