Power Electronics / Power Management


30 A gate drivers

17 August 2011 Power Electronics / Power Management

IXYS and Clare, a wholly owned subsidiary of IXYS, have developed a new low-side gate driver family. The IXD_630 output can source and sink a peak of 30 A, making it well suited to drive the largest IXYS power MOSFETs and IGBTs.

The driver can operate with supply voltages up to 35 V and is specified over the


-40°C to +125°C automotive temperature range. Typical rise and fall times are only 11 ns with a 5,6 nF load. The IXD_630 features an under-voltage lockout (UVLO) circuit that holds the output low until sufficient supply voltage is applied.

The IXD_630’s UVLO threshold of 12,5 V is suitable for IGBT applications, while the IXD_630M’s 9 V threshold is intended for MOSFET applications. Internal circuitry prevents cross conduction and current shoot-through, and the driver is virtually immune to latch-up. End applications include high-power DC-DC converters, motor drives and three-phase inverters.

The IXD_630 is available as a non-inverting driver with an output enable (IXDD630 and IXDD630M), an inverting driver (IXDI630 and IXDI630M) and a non-inverting driver (IXDN630 and IXDN630M). The parts are available in a 5-lead TO-220 package and a 5-lead TO-263 package.

For more information contact PHD Power, +27 (0)11 872 2266, steve@phdpower.co.za, www.phdpower.co.za



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