Tuesday, April 16, 2024

Gate Driver ICs For Design Flexibility And Reduced Hardware Complexity

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Suitable for industrial drives, solar systems, uninterruptible power supplies, EVs and other industrial applications

With the launch of the EiceDRIVER X3 Enhanced analog (1ED34xx) and digital (1ED38xx) gate driver ICs having a typical output current of 3, 6 and 9 A, precise short-circuit detection, a Miller clamp and soft turn-off, design cycles can be accelerated due to a lower external component count.

The 1ED34xx offers an adjustable desaturation filter time and soft turn-off current with external resistors while the 1ED38xx provides I2C configurability for multiple parameters.

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The I2C configurability options for the 1ED38xx include short-circuit detection, soft turn-off, under-voltage lockout (UVLO), a Miller clamp and overtemperature shutdown. This gate driver family also offers a two-level turn-off through software settings (TLTOff).

These features increase design flexibility, reduces hardware complexity and shortens evaluation time. These gate drivers are suitable for industrial drives, solar systems, uninterruptible power supplies, EV chargers and other industrial applications.

The EiceDRIVER X3 Enhanced 1ED34xx and 1ED38xx families are designed for IGBTs as well as for SiC and Si MOSFETs in discrete and module packages.

The output current of up to 9 A eliminates the need for external booster components. Exceptional CMTI robustness of more than 200 kV/µs avoids faulty switching patterns. Both gate-driver families feature output supply voltage of 40V(max.) and a tight propagation delay matching of 30 ns (max.), resulting in shorter dead time.

The 1ED34xx and 1ED38xx gate drivers come in a small DSO-16 fine pitch package with 8 mm creepage. Both are UL 1577-certified for 5.7 kV RMS which, combined with precise thresholds and timings, ensures superior application safety. They are built to withstand the rugged environments of industrial applications.

The EiceDRIVER Enhanced 1ED34xx and 1ED38xx can be ordered now from Infineon Technologies AG, as can the EVAL-1ED3491MX12M evaluation board.


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