The UCC20520 is an isolated single input, dual-channel gate driver with 4-A source and
6-A sink peak current. It is designed to drive power MOSFETs, IGBTs, and SiC MOSFETs up to 5-MHz
with best-in-class propagation delay and pulse-width distortion.
The input side is isolated from the two output drivers by a
5.7-kVRMS reinforced isolation barrier, with a minimum of 100-V/ns
common-mode transient immunity (CMTI). Internal functional isolation between the two secondary-side
drivers allows a working voltage of up to 1500-VDC.
This driver can be used for half-bridge driver with programmable dead time (DT). A
disable pin shuts down both outputs simultaneously when it is set high, and allows normal operation
when left open or grounded. As a fail-safe measure, primary-side logic failures force both outputs
The device accepts VDD supply voltages up to 25-V. A wide input VCCI range from 3-V to
18-V makes the driver suitable for interfacing with both analog and digital controllers. All the
supply voltage pins have under voltage lock-out (UVLO) protection.
With all these advanced features, the UCC20520 enables high efficiency, high power
density, and robustness in a wide variety of power applications.
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