BALL GRID ARRAY CURRENT METER WITH A CURRENT SENSE LOOP

    公开(公告)号:US20210096177A1

    公开(公告)日:2021-04-01

    申请号:US16583521

    申请日:2019-09-26

    Abstract: Electrical current flow in a ball grid array (BGA) package can be measured by an apparatus including an integrated circuit (IC) electrically connected to the BGA package. Solder balls connect the BGA package to a printed circuit board (PCB). A current sense loop can be fabricated on a wiring plane of the PCB to encircle a current supply via that supplies current to an IC mounted on the BGA package. A MUX/Sequencer can sequentially connect wires of the current sense loop to an amplifier. The amplifier can amplify a voltage induced on the current sense mesh by current flow into the BGA package. A sensing analog-to-digital converter (ADC) is electrically connected to convert a voltage at the output of the amplifier into digital output signals.

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