Power Electronics / Power Management

High-isolation DC-DC switching

31 May 2024 Power Electronics / Power Management

IGBT and SiC MOSFETs are high-power switching components commonly used in the EV charging and semiconductor industries. These components require high-quality driving solutions. To that end, MORNSUN has expanded its drive power supply QA-R3 family with the high-isolation DC-DC converter QA_(T)-R3G series. This series is specifically designed for IGBT/SiC MOSFET drivers, making it the optimal and reliable DC-DC converter for driving solutions.

Unlike conventional DC-DC converters, drive power supplies have specific requirements in applications. As IGBTs and SiC MOSFETs are commonly used in high-voltage applications, they require a high isolation voltage. A high common mode transient immunity is required, as switching generates common mode interference. A driver should also provide low isolation capacitance to enhance the operational reliability of IGBT and SiC MOSFETs.

The MORNSUN QA_(T)-R3G series provides 5000 V AC reinforced insulation, complies with IEC-61800-5-1 standard, and has a long-term insulation voltage up to 1700 V.


Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

Solid-state pulse power amplifier
RFiber Solutions Power Electronics / Power Management
NexTek has expanded their line of PTI-BB50 connectors with the standard DC block coaxial RF surge protectors which incorporate a blocking capacitor and gas discharge tube to provide isolation.

Radiation-tolerant DC-DC power converters
Altron Arrow Power Electronics / Power Management
The off-the-shelf LE50-28 family of 50 W DC-DC power converters from Microchip have up to triple outputs, and are designed to meet MIL-STD-461.

Power supply noise suppression
Avnet Abacus Power Electronics / Power Management
Murata’s new L Cancel transformer is able to neutralise the equivalent series inductance of a capacitor, optimising its noise-reducing capabilities.

DIN-Rail PSU for harsh environments
Conical Technologies Power Electronics / Power Management
The TRACOPOWER TSPC series is a family of DIN-rail power supplies for harsh industrial environments, with an excellent price to performance ratio.

Three-phase high-efficiency PSU
Vepac Electronics Power Electronics / Power Management
COSEL has announced the launch of the HFA3500TF, a low-profile, 3-phase, 3-wire 3500 W AC/DC enclosed power supply design optimised for industrial equipment such as semiconductor manufacturing, laser processing machines and robotics.

Robust 80 V MOSFETs improve efficiency
Future Electronics Power Electronics / Power Management
The new 80 V T10 single N-channel MOSFETs from onsemi feature a softer recovery diode, low reverse-recovery charge and gate charge to minimise driver and conduction losses in motor-drive and voltage-conversion applications.

SA’s solar power surge raises safety concerns
Power Electronics / Power Management
Solar revolution is a bright spot, but a hidden fire risk lurks behind the panels. Here are seven tips for rooftop safety.

Startup to launch solar panel window blinds
Power Electronics / Power Management
A Durban resident, frustrated with her inability to install backup power in her rental home, has developed a prototype of a solar-powered window blind.

Next-gen spectrometer at reduced costs and weight
Vepac Electronics Editor's Choice Test & Measurement
Traditionally, EPR spectroscopy requires massive electromagnets that can weigh over a ton, and therefore are often located in basements. Bridge12, located near Boston in the USA, has launched a next-generation EPR spectrometer that is about half the cost of current instruments and a tenth of the size and weight.

Handheld real-time spectrum analyser
Vepac Electronics Test & Measurement
Building on continuous innovation and SWaP-C design principles, the PXE-200 offers an unmatched combination of size, performance, and cost.