IGBT Module Driver

Feb. 5, 2013

Now available from MicroPower Direct, the IGD1205W is a hybrid integrated circuit specifically designed to drive N-channel IGBT modules. It provides the I/O isolation, high speed, drive voltage stability and fault protection required to control most MOS gated power devices. They are offered at very low cost.

The IGD1205W converts TTL compatible input signals into a fully isolated +15V/-8V Gate drive with a peak drive current of 5A. An internal, high speed optocoupler provides 3,750 VAC control signal isolation, with a CMR ratio of 30 kV/µS for precise switching at high speed. A built-in "desaturation detector" provides short circuit protection. A fault signal is generated if the detector is activated. The timing of the fail signal is variable, allowing users to tailor the unit to specific application requirements.

A simple 12 VDC or 15 VDC connection is used to power the IGD1205W. An internal, dual output DC/DC converter then provides isolated gate drive power.

The IGD1205W is packaged in a compact single -in-line (SIP) package to minimize board space. It is specified for use over the wide operating temperature range of -40°C to +70°C.

The IGD1205W is recommended for use with:

  • 600V Series IGBT (up to 600A)
  • 1200V Series IGBT (up to 400A)
  • 1700V Series IGBT (up to 200A)

Typical applications include high frequency welding systems, solar converters, uninterruptible power supplies (UPS) and automotive/appliance motor drives.

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