is an isolated dual-channel gate drivers 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.
Every driver can be configured as two low-side drivers, two high-side
drivers, or a half-bridge driver with programmable dead time (DT). A disable pin shuts down both
outputs simultaneously, and allows normal
operation when left open or grounded. As a fail-safe measure, primary-side logic failures force
both outputs low.
Each 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 supply voltage pins have under voltage lock-out
With all these advanced features, the UCC21520-Q1 enables high efficiency, high power
density, and robustness.
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