The VNQ9050LAJ from STMicroelectronics is a 4-channel automotive high-side driver for 12 V ground-connected loads, operating from a 4 V minimum supply and maintaining functionality during cold cranking down to 2.7 V in compliance with LV124 standards. Built on VIPower™ M09 technology, the device features typical on-resistance of 50 mΩ, compatibility with 3 V and […]
drivers
Small thyristor gate driver includes built-in transformer
The STSID140-12 from STMicroelectronics is a thyristor gate driver for small AC-powered appliances such as hairdryers, dimmers and motor-driven loads, integrating an isolation transformer rated at 1250 V RMS. Packaged in a 5.35 mm × 3.45 mm DFN with 1.2 mm height, it supports zero-cross and phase-angle control and provides up to 40 mA gate […]
Self-powered gate drivers eliminate bias supplies
The AHV85003/AHV85043 Power-Thru™ isolated gate driver chipset from Allegro MicroSystems expands the company’s silicon carbide gate driver portfolio for high-voltage power conversion in AI data centers, electric vehicles, and clean energy systems. The self-powered design integrates signal and power across a single isolation barrier, eliminating external isolated bias supplies, reducing common-mode capacitance by up to […]
Single-coil fan driver supports 5 – 32 V rails
Melexis introduces the MLX90411-D, an 800mA cooling fan driver that extends the MLX90411 family with enhanced customer configurability, smoother motor control, and simplified system integration. Designed for single-coil fans operating from 5 V, 12 V, 24 V, or 32 V, this innovation targets consumer systems (gaming, PC), home appliances (refrigerators), and power infrastructure (UPS, ESS). […]
Three-phase GaN driver fits 32 mm robotic joints
Efficient Power Conversion Corporation (EPC) has introduced the EPC91120, a compact three-phase brushless DC (BLDC) motor drive inverter designed for integration within humanoid robot joints. The inverter uses EPC’s EPC23102 ePower Stage IC to provide high-efficiency, high-density motion control within a 32 mm-diameter footprint, enabling direct installation inside robotic motor housings. The EPC91120 integrates three […]
LIN 2.x-compliant driver integrates FOC and diagnostics
Melexis has released its fourth-generation automotive LIN motor driver, the MLX81350, designed to support up to 5 W (0.5 A) per motor. The device is developed for applications such as air conditioning flaps and automated air vents used in electric vehicles, where precise control of airflow and thermal systems contributes to comfort and energy efficiency. […]
Code-free driver simplifies setup of RGB ambient lighting systems
Melexis has released the MLX80124, a configurable LIN LED driver designed for automotive ambient lighting applications. The device supports dynamic RGB lighting systems without requiring embedded code development. The MLX80124 allows engineers to configure lighting behavior using a graphical user interface (GUI) instead of writing code. This approach helps streamline the setup of RGB ambient […]
Automotive low-side gate driver features adjustable negative drive
Littelfuse, Inc. announced the release of the IX4352NEAU automotive-qualified low-side gate driver designed to meet the growing demands of SiC MOSFET and IGBT control in electric vehicle (EV) powertrain and DC-DC converter applications. (View the video.) The IX4352NEAU is the first AEC-Q100-qualified low-side gate driver to offer an integrated and adjustable negative gate drive bias, eliminating the […]
Gate drive transformers reach to 1000 V
TDK Corporation has significantly extended its EPCOS InsuGate series of SMT gate drive transformers, introducing new variants rated for a DC working voltage of up to 1000 V (ordering code: B78541A25). These components meet the IEC 61558-1/2-16 standard for basic insulation and enable more compact gate driver designs for full-bridge inverter modules, particularly in demanding […]
Why is a gate driver essential for high-performance power switching?
Gate drivers are essential for wide-bandgap semiconductors like SiC MOSFETs and GaN HEMTs. These devices are better than regular Si devices in many ways. These advanced devices have faster switching speeds and operate at higher frequencies, necessitating optimized gate drive circuitry. This FAQ will cover three aspects of an essential gate driver, namely, crosstalk minimization, […]
