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Introduction, characteristics, and applications of Texas Instruments UCC21550-Q1 dual-channel gate driver

2/7/2024 9:45:00 AM

Summary: Automotive, 4A/6A, 5kVRMS isolated gate driver with DIS and DT pins for IGBT transistors.

UCC21550-Q1 Texas Instruments

The Texas Instruments UCC21550-Q1 dual-channel gate driver is designed with 4A peak source current and 6A peak sink current to drive power MOSFET, SiC, GaN and IGBT transistors. These gate drivers are an isolated dual-channel series with programmable dead time and a wide temperature range of -40°C to 150°C. The UCC21550-Q1 driver enables high efficiency, power density and robustness in a variety of power applications. Protection features include resistor-programmable dead time, disabling the ability to turn off both outputs simultaneously, and an integrated de-fault filter that rejects input transients shorter than 5ns. The UCC21550-Q1 driver is ideal for onboard battery chargers, high voltage DC-DC converters, automotive HVAC and body electronics. These UCC21550-Q1 devices are qualified for AEC-Q100 automotive applications.


characteristic

  • Universal dual low-side, dual high-side, or half-bridge driver

  • Switch parameters:

    • Typical propagation delay 33ns

    • Maximum pulse width distortion 5ns

    • VDD maximum power-on delay 10µs

  • Junction temperature range -40℃~150℃

  • Up to 4A peak source and 6A peak sink output

  • Common mode transient immunity (CMTI) greater than 125V/ns

  • Up to 25V V(DD) output drive voltage:

    • 5V(DD) and 8V(DD) UVLO options

  • UVLO protection for all power supplies

  • AEC-Q100 qualified, the results are as follows:

    • Equipment temperature class 1

    • Equipment HBM ESD classification level H2

    • Device CDM ESD classification level C4B

  • Quickly disable power sequencing


app

  • car battery charger

  • High voltage DC-DC converter

  • Automotive HVAC and body electronics

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