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 […]
drivers
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, […]
IC operates from 3 V battery supply with resonant capacitor charging and laser diode firing on single chip
Silanna Semiconductor announced the release of the SL2002, the second breakthrough product in its FirePower family of laser driver ICs. The SL2002 has been optimized for low-voltage operation in small-form-factor systems, enabling powerful laser performance from a standard 3V battery supply. In doing so, the SL2002 sets a new standard in performance, integration, and efficiency. […]
Gate drivers — the critical link in power-device performance: part 3
This section will discuss some of the many subtleties of the gate driver and its power source. Other gate-driver converter considerations Gate-driver dc-dc converters have other unique issues. Among them are: 1) Regulation: the load on the dc-dc converter is close to zero when the device is not switching. However, most conventional converters require a […]
