Allegro MicroSystems, Inc. has expanded its portfolio of three-phase sensorless BLDC gate drivers. Its newest offerings, the A89332 and A89332-1, are designed to meet the evolving needs of cooling systems in today’s data centers offering flexible options for designers. Available with innovative integrated power loss brake (A89332) and AC-loss (A89332-1) features, these drivers enable compact, high-airflow […]
drivers
Full-bridge 50-V gate drivers optimized for automotive and industrial apps
Allegro MicroSystems, Inc. announced two new full-bridge gate drivers for automotive and industrial applications. Available with direct control (A89505) and pulse-width modulation (A89506) options, these devices up-integrate critical features to make system design easier, replacing mechanical relays with solid-state drivers to improve performance and reliability. With built-in capabilities including flexible interface logic, EMI mitigation with […]
Chipset boosts efficiency, cuts component count in LLC converters
The new HiperLCS-2 chipset brings Power Integrations’ unique 600 V FREDFETs and magneto-inductive FluxLink technology to the LLC topology. The result is 98% efficiency and 40% component-count reduction in LLC resonant power converters up to 250 W, eliminating bulky heatsinks or unreliable optocouplers. One-half of the dual-chip solution is the HiperLCS2-HB half-bridge power device utilizing […]
Dual-channel low-side 4/5-A gate driver ICs handle fast MOSFET, WBG switches
Infineon Technologies AG has released the new EiceDRIVER 2EDN product family. Aiming at space-limited designs, the next-generation devices complement the existing 2EDN driver ICs by providing higher system-level efficiencies, excellent power density, and consistent system robustness with fewer external components. Building upon this expansion, the 2EDN family is now able to drive the power switch […]
Coil drivers for wireless charging transmitter circuits handle up to 50 W
Alpha and Omega Semiconductor Limited announced the release of AOZ32034AQV, a new product in the family of coil drivers for wireless charging transmitter circuits of up to 50W. Packaged in a thermally enhanced QFN 4 x 4 package, the device is designed for wireless charging applications in charging stations, cordless power tools, vacuum cleaners, drones, and other […]
Power gate drivers include short-circuit protection
The highest possible system efficiency is a key requirement for modern power electronics which is driving the development of increasingly higher power densities. However, high system values are at stake should short-circuit events occur. To prevent this and enable systems with the best protection, Infineon Technologies AG is expanding its portfolio of isolated EiceDRIVER Enhanced […]
MOSFET gate drivers carry SPI interface
Battery systems for 48 V are used in multiple, growing market categories including Mild Hybrid Electrical Vehicles, trucks, e-wheelers, and battery packs for solar panels. These Li-ion battery systems need to be protected against negative and positive voltages. In addition, these batteries must be able to quickly and reliably disconnect from loads within microseconds, in the […]
Power FET/driver/logic-input ICs operate at 700 V
Navitas Semiconductor announced that its GaNFast power ICs with GaNSense technology has been upgraded to increase efficiency, power density, and access to additional fast-charger markets. GaN is a next-generation semiconductor technology that runs up to 20x faster than legacy silicon and enables up to 3x more power, 40% energy savings, and 3x faster charging in […]
Single-channel gate driver ICs optimized for GaN HEMTs
Minimized R&D efforts and costs as well as robust and highly efficient operation of medium-voltage gallium-nitride (GaN) switches are key requirements for modern power electronics systems. In accordance with its strategically-designed GaN product portfolio to continuously strengthen full system solutions, Infineon Technologies AG introduces the EiceDRIVER 1EDN71x6G HS 200V single-channel gate driver ICs family. The […]
Single/Dual 4-A isolated GaN gate drivers feature high transient immunity
Teledyne e2v HiRel announced the availability of a pair of new isolated gate drivers ideally suited for driving GaN power parts used in a wide variety of power supply, dc/dc converter, battery management systems (BMS), Point-of-Load (POL) modules, and motor control applications. The TDGD27x isolated gate drivers utilize silicon isolation technology, supporting up to 2.5 […]
