Silicon carbide is a hot topic in the power electronics field these days. As a recent article in the New York Times explains, SiC is a wide-bandgap (WBG) material that designers are increasingly choosing to make power electronics devices more efficient. WBG advantages The WBG classification has profound implications for device behavior and performance. This… Read more »
Integrated circuit maker Power Integrations has introduced a new line of gate-driver boards designed for electric buses and trucks as well as electric construction and agricultural equipment. The SCALE EV gate-driver boards are rated at 1,200 V for 400 V and 800 V systems. Each is composed of two reinforced gate-drive channels, associated power supplies and… Read more »
Integrated-circuit (IC) maker Power Integrations has launched two new AEC-Q100-qualified, 1,700-volt-rated ICs. They are part of the InnoSwitch 3-AQ product line, and are intended for 600- and 800-V EVs and fuel cell cars, electric buses and trucks, and industrial applications such as renewable energy, battery storage, motor drives and metering. According to Power Integrations, the… Read more »
The low voltage power architecture used in EV traction inverters drives control electronics and provides gate driver power for the main traction IGBTs/MOSFETs. It must also provide redundancy to meet ASIL requirements. This requirement represents a special challenge as it means the Emergency Power Supply (EPS) must operate from low voltage and high voltage sources… Read more »
Power Integrations has expanded its InnoSwitch3-AQ family of devices, which combine a MOSFET, primary and secondary controllers and Fluxlink reinforced isolated feedback into a single IC. The new family members feature a 900 V primary MOSFET, which is designed for safe and reliable operation during system voltage transients while reducing the number and cost of… Read more »
Power Integrations, a maker of high-voltage integrated circuits for energy-efficient power conversion, has announced its 600 V, 12 A Qspeed diode, the AEC-Q101-qualified QH12TZ600Q. The company says the device’s Qrr of 14 nC at 25° C improves the efficiency of an onboard charger’s PFC stage and reduces the thermals of the PFC MOSFETs. Senior Product… Read more »
Power Integrations, a maker of high-voltage power conversion ICs, has announced that its automotive-qualified InnoSwitch3-AQ flyback switcher IC family is now available. One version is rated to 900 V, providing headroom for 400 V and 800 V EV inverter, battery management and climate control applications. The InnoSwitch3-AQ family combines primary and secondary controllers, plus safety-rated… Read more »
Power Integrations has announced the production release of the InnoSwitch3-AQ, an AEC-Q100-qualified flyback switcher with integrated 750 V MOSFET and secondary-side sensing. The newly qualified device family targets EV applications such as traction inverters, OBC (on-board chargers), EMS (energy management DC/DC bus converters) and BMS (battery management systems). The InnoSwitch3-AQ uses the company’s high-speed FluxLink… Read more »
Power Integrations has announced that its SIC118xKQ SCALE-iDriver, a single-channel gate driver for silicon carbide (SiC) MOSFETs, is now certified to AEC-Q100 for automotive use. The drivers, which include safety and protection features, can be configured to support gate-drive voltage requirements of commonly used SiC MOSFETs. The SIC1182KQ (1,200 V) and SIC1181KQ (750 V) SCALE-iDriver… Read more »
Power Integrations, a manufacturer of gate-driver technology for medium- and high-voltage inverter applications, has launched a new gate driver for 750 V-rated IGBTs. The new SID1181KQ SCALE-iDriver comes equipped with the company’s FluxLink communications technology and protection features such as desaturation monitoring; primary and secondary Undervoltage Lock-out; and Advanced Soft Shut Down. The SCALE-iDrivers are… Read more »