Full Bridge Gate Driver
The FL73282, a monolithic half bridge gate-drive IC, can drive MOSFETs and IGBTs that operate up to +900 V. Fairchild’s high-voltage process and common mode noise canceling technique provides stable operation of the high-side driver under high-dVS/dt noise circumstances. An advanced level-shift circuit allows high-side gate driver operation up to V S=-9.8 V (typical) for V BS=15 V.
They usually come in SO-8 packages, but of course other options are also available. You would need to use two of them to make a full bridge driver. Some examples include the L6743Q or L6387A from ST, the ADP3120A from OnSemi. You can also find full H-bridge drivers like the venerable – and expensive – HIP4081A from Intersil.
The UVLO circuits for both channels prevent malfunction when V CC or V BS is lower than the specified threshold voltage. Output drivers typically source/sink 350 mA / 650 mA, respectively, which is suitable for all kinds of half- and full-bridge inverters. Features • Floating Channel for Bootstrap Operation to +900 V • Typically 350 mA / 650 mA Sourcing/Sinking Current Driving Capability for Both Channels • Common-Mode dv/dt Noise Canceling Circuit • Extended Allowable Negative V S Swing to -9.8 V for Signal Propagation at V CC=V BS=15 V • V CC & V BS Supply Range from 10 V to 20 V • UVLO Functions for Both Channels • Matched Propagation Delay Below 50 ns • Built-in 170 ns Dead-Time • Output in Phase with Input Signal Applications • Lighting. IMPORTANT - READ BEFORE DOWNLOADING, COPYING, INSTALLING, OR USING. DO NOT DOWNLOAD, COPY, INSTALL, OR USE THIS CONTENT UNTIL YOU (THE 'LICENSEE') HAVE CAREFULLY READ THE FOLLOWING TERMS AND CONDITIONS. BY DOWNLOADING, COPYING, INSTALLING, OR USING THE CONTENT, YOU AGREE TO THE TERMS OF THIS AGREEMENT.
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