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High Voltage Gate Driver ICs (HVICs)

Supplier: International Rectifier

International Rectifier's MOSFET and IGBT gate driver ICs are the simplest, smallest and lowest cost solution to drive MOSFETs or IGBTs up to 1200V in applications up to 12kW, and can save over 30% in part count in a 50% smaller PCB area compared to a discrete opto-coupler or transformer based solution.

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With the addition of few external components, IR gate driver ICs provide full driver capability with extremely fast switching speeds, designed-in ruggedness and low-power dissipation.

Gate driver IC's generate the current and voltage necessary to turn MOSFETs or IGBTs on and off from the logic output of a DSP, micro-controller or other logic device.

The input is typically a 3.3 volt logic-level signal. All IR gate driver ICs are CMOS compatible, and most are TTL compatible. Output currents are up to 2A.

THE IR ADVANTAGE

  • Dead-time as low as 500ns allows frequency up to 100khz
  • Increases speed range and torque control of motor drives
  • Enable rugged gate drive design
  • Low power dissipation
  • Compared with opto-coupler based solutions:
  • 30% fewer parts and 50% smaller PCB
  • Doesn't need auxiliary power supply
  • 10X faster delay matching (±50ns)
  • No degradation of performance over time
  • Shorter time to signal over-current 1.5µs versus 6µs)
  • Reduced EMI and voltage spikes

APPLICATIONS

  • Motor Drive
  • Lighting Ballast
  • Switched Mode Power Supplies
  • Automotive
  • Plasma Display Panels

FEATURES AT A GLANCE

  • 600V and 1200V gate driver in a single IC for MOSFET and IGBTs
  • Multiple Configurations
  • Single high side
  • Half-bridge
  • 3 phase inverter driver
  • Up to +2.0/-2.0A output source/sink current enables fast switching
  • Integrated protection and feedback functions
  • Optional deadtime control
  • Tolerant to negative voltage transient
  • Up to 50V/ns dV/dt immunity
  • Optional soft turn-on
  • Uses low cost bootstrap power supply
  • CMOS and LSTTL input compatible

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