AUIRS2191STR

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1. Description

The AUIRS2191STR is a high power, high voltage, high speed power MOSFET and IGBT driver with independent high and low side referenced output channels, designed for Automotive AC/DC and DC/DC converter applications. Logic inputs are compatible with standard CMOS or LSTTL output, down to 3.3V logic. The output drivers feature a high pulse current buffer stage designed for minimum driver cross-conduction. Propagation delays are matched to simplify use in high frequency applications. The floating channel can be used to drive an N-channel power MOSFET or IGBT in the high side configuration which operates up to 600V. Proprietary HVIC and latch immune CMOS technologies enable ruggedized monolithic construction.

2. Features

    1. Floating channel designed for bootstrap operation.

    2. Fully operational up to +600V

    3. Tolerant to negative transient voltage, dV/dt immune

    4. Gate drive supply range from 10V to 20V

    5. Independent low and high side channels.

    6. Input logic HIN/LIN active high

    7. Undervoltage lockout for both channels

    8. 3.3V, 5V, and 15V input logic compatible

    9. CMOS Schmitt-triggered inputs with pull-down

  10. Matched propagation delay for two channels

  11. Lead-Free and RoHS Compliant

  12. Automotive qualified*

3. Applications

    1. Automotive AC/DC and DC/DC converters

    2. High power DC-DC SMPS converters

    3. Other high frequency applications