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 […]
drivers
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 […]
LED drivers enable smooth high/low/high beam transitions, high power for vehicle lighting apps
The A80803 leverages multi-topology conversion and patented IP to enable smooth high/low/high beam transitions in a single integrated circuit (IC). The A80804 linear LED driver provides high power for automotive lighting applications through multiple, independently-configurable channels. Both products help designers reduce the number of ICs required to create safety-enhanced automotive lighting systems, enabling higher performance […]
Three-phase gate drivers geared for EVs and hybrids
Allegro MicroSystems, Inc. is expanding its QuietMotion product line with the introduction of the new A89307 automotive-qualified gate driver integrated circuit (IC). Designed for battery cooling fans and HVAC systems in electric (EV) and hybrid vehicles, the A89307 offers ultra-low noise and vibration by using a Field Oriented Control (FOC) algorithm to drive continuous sinusoidal current […]
LED driver with 4.5-75-V input designed for auto/industrial/med apps
Taiwan Semiconductor announces the introduction of the TS19503 single-channel, continuous conduction, hysteretic mode converter for driving single or multiple LEDs. Featuring best-in-class 4.5-75V input and 2A output, the TS19503 offers up to 97% efficiency and 2% accuracy over a wide range of external conditions. AEC-Q100 qualification assures high reliability while the hysteretic (bang-bang) control technique […]
Coil drivers address wireless charging apps
The AOZ32033AQI coil drivers from Alpha and Omega Semiconductor offers 30V, 11mOhm in a QFN3x3 package. AOZ32033AQI is an integrated half-bridge gate driver capable of driving high-side and low-side N-channel MOSFETs. It features SRC (Slew Rate Control) to adjust sink/source current and provide the ideal trade-off between efficiency and EMI optimization in the design of […]
High-side drivers integrate logic, MOSFET and analog circuitry in 6 mm x 6 mm
The VN9D30Q100F and VN9D5D20FN from STMicroelectronics introduce a new generation of automotive intelligent switches, the first in the market with digital current sensing among the fully digital on-chip diagnostic features. Designed for high-side connection in applications powered from a 12V battery, the drivers simplify the hardware and software design of electronic control units (ECUs) and […]
First fully configurable digital gate driver for Silicon Carbide MOSFETs
As demand for electric buses and other electrified heavy transport vehicles increases to meet lower emission targets, silicon carbide-based power management solutions are providing greater efficiencies in these transportation systems. To complement its broad portfolio of silicon carbide MOSFET discrete and module products, Microchip Technology Inc. ( announced a new 1200V production-ready digital gate driver, providing system […]
