Power_electronics Features

Using FREDFETs in BLDC motor drivers to overcome thermal challenges - issue 1/2019
A recent IHS report suggests that the global market for brushless DC (BLDC) motors in home applications is set to rise from around 430 million units per year to 750 million units per year over the...
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Linear voltage regulators operate at automotive temperatures
Designed for high reliability, high temperature applications, the CMT-Antares is Cissoid's latest regulator.
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Power Electronics Europe News
600V IGBTs are smooth operators
A series of 600V trench-gate field-stop IGBT (insulated gate bipolar transistors) from STMicroelectronics have a smooth and tail-less turn-off characteristic, saturation voltage as low as 1.8V, and operate up to 175°C. They increase system energy efficiency, allow higher switching frequencies, and simplify thermal and EMI design, says the company.

The V series devices eliminate the conventional IGBT turn-off current tail and have ultra-thin die thickness to assist switching performance and improve thermal dissipation. The proprietary trench gate field-stop process provides improved thermal resistance and raises junction operating temperature, as well as allowing tight control over parameters such as saturation voltage, allowing safe paralleling of multiple IGBTs.

A co-packaged ultra-fast soft-recovery diode minimises turn-on energy losses. Diode-free variants are also available. The IGBTs are rated from 20 to 80A and are in production now in TO-3P, TO-3PF, TO-220, TO-220FP, TO-247 or D2PAK packages.

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