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H-bridge with power switches and control in a single package

  • US 6,891,739 B2
  • Filed: 03/04/2002
  • Issued: 05/10/2005
  • Est. Priority Date: 03/04/2002
  • Status: Expired due to Term
First Claim
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1. An H-bridge driver for driving an electrical load;

  • said H-bridge driver comprising first and second high side MOSFETs and first and second low side MOSFETs;

    each of said MOSFETs having respective drain, source and control electrodes;

    the drain electrodes of said high side MOSFETs and the source electrodes of said low side MOSFETs connected to power input terminals;

    the source electrodes of said first and second high side MOSFETs connected to the drain electrodes of said first and second low side electrodes respectively at first and second nodes which define output bridge terminals;

    a control IC for controlling the operation of said high side and low side MOSFETs;

    said control IC having input terminals connectable to receive input control signals from an exterior bridge control circuit and having output terminals connected to said control electrodes of said high side MOSFETs;

    a conductive support plate for supporting said first and second high side MOSFETs and said IC; and

    a common insulation housing enclosing said first and second high side MOSFETs and said IC; and

    connection pins extending from said housing.

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