Texas Instruments UCC21225A Isolated Dual-Channel Gate Driver

Texas Instruments UCC21225A Isolated Dual-Channel Gate Driver comes with a 4A source and 6A sink peak current in a space-saving 5mm x 5mm LGA-13 package. This device is designed to drive power MOSFETs, IGBTs, and SiC MOSFETs up to 5MHz. The UCC21225A provides best-in-class propagation delay and pulse-width distortion in applications requiring the highest power density. The input side is isolated from the two output drivers by a 2.5kVRMS reinforced isolation barrier, with a minimum of 100V/ns common-mode transient immunity (CMTI). The internal functional isolation between the two secondary-side drivers allows a working voltage of up to 700VDC. The Texas Instruments UCC21225A 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 when set high and allows normal operation when left open or grounded. As a fail-safe measure, the primary-side logic failures force both outputs to be low.