The FAN73892 is a monolithic three-phase half-bridge gate-drive IC designed for high-voltage,high-speed,driving MOSFETs and IGBTs operating up to +600 V.Fairchild's high-voltage process and common-mode noise-canceling technique provide stable operation of high-side drivers under high-dv/dt noise circumstances. An advanced level-shift circuit allows high-side gate driver operation up to VS = -9.8 V (typical) for VBS =15 V.The protection functions include under-voltage lockout and inverter over-current trip with an automatic fault-clear function.Over-current protection that terminates all six outputs can be derived from an external current-sense resistor. An open-drain fault signal is provided to indicate that an over-current or under-voltage shutdown has occurred.The UVLO circuits prevent malfunction when VDD and VBS are lower than the threshold voltage.Output drivers
typically source and sink 350mA and 650mA,respectively; which is suitable for three-phase half-bridge applications in motor drive systems.
• Floating Channel for Bootstrap Operation to +600 V
• Typically 350 mA/650 mA Sourcing/Sinking Current-Driving Capability for All Channels
• Extended Allowable Negative VS Swing to -9.8 V for Signal Propagation at VDD=VBS=15 V
• Outputs Out of Phase with Input Signals
• Over-Current Shutdown Turns Off All Six Drivers
• Matched Propagation Delay for All Channels
• 3.3 V and 5.0 V Input Logic Compatible
• Adjustable Fault-Clear Timing
• Built-in Advanced Input Filter
• Built-in Shoot-Through Prevention Logic
• Built-in Soft Turn-Off Function
• Common-Mode dv/dt Noise-Canceling Circuit
• Built-in UVLO Functions for All Channels
• 3-Phase Motor Inverter Driver
• Air Conditioner, Washing Machine, Refrigerator, Dish Washer
• Industrial Inverter - Sewing Machine, Power Tool
• General-Purpose Three-Phase Inverter
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advantage:
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