公开(公告)号：US20180340961A1

公开(公告)日：2018-11-29

申请号：US15989126

申请日：2018-05-24

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Arun ADONI ,  Suvadip BANERJEE ,  Sreeram Subramanyam NASUM ,  Prajkta VYAVAHARE

IPC: G01R1/067 ,  G01R31/28

CPC classification number: G01R1/06766 ,  G01R31/2834 ,  G01R35/00

Abstract: A system includes a controller for automated test equipment (ATE) contactor to interface with a device under test (DUT) including a power converter having a primary and secondary side, each side has an input/output (I/O) pin. The controller causes the ATE contactor to apply a load current on the secondary side of the power converter at a first value and vary the load current to a second value. The contactor receives first and second indications, at the first and second load currents, of a voltage on the primary side I/O pin, a voltage on the primary side of the power converter, an input current on the primary side of the power converter, a voltage on the secondary side I/O pin, and a voltage on the secondary side of the power converter. The controller determines a primary and secondary side ATE contactor resistances based on the first and second indications.