Vishay Intertechnology announced new 6 A, 20 A, and 25 A microBRICK synchronous buck regulator modules designed to deliver increased power density and efficiency for point of load (POL) converters. Offered in a 10.6 x 6.5 x 3 mm package, the Vishay Siliconix SiC931, SiC951, and SiC967 are the smallest such devices on the market — with…
How to design a constant current source using a linear buck converter
In many applications, there’s a need for a constant voltage source. However, there are more constant current source applications than constant voltage sources. Most power supplies are voltage sources, including batteries and bench power. A constant current source can be used anywhere a fixed current is required. A resistor can also be used, but the…
STMicroelectronics offers high-efficiency IGBT IH2 series
STMicroelectronics has released a new class of IGBTs with an increased breakdown-voltage capability of 1350V and a maximum operating temperature of 175° C. The higher ratings ensure a greater design margin, robust performance, and extended reliability under all operating conditions. The new STPOWER IH2 series IGBTs also permit increased power-conversion efficiency. Favorable parameters include low saturation…
Infineon expands its 7th generation TRENCHSTOP IGBT potfolio
Infineon Technologies is expanding its 7th generation TRENCHSTOP IGBT family with the discrete 650 V IGBT7 H7 variant. The devices feature an EC7 co-packed diode with an advanced emitter-controlled design and high-speed technology to address the escalating need for environmentally conscious and highly efficient power solutions. Using the latest micro-pattern trench technology, the TRENCHSTOP IGBT7…
New Trident 4-X7 Ethernet switch doubles bandwidth and reduces power for data centers
Broadcom Inc. announced delivery of the new Broadcom Trident 4-X7 Ethernet switch ASIC — a 4.0 Terabits/second fully programmable switch designed for enterprise data center ToR (Top of Rack) boxes. The Trident 4-X7 offers native support for 400G connectivity to the next-generation spine/fabric technologies, which are making their way from the cloud into enterprise data…
New isolated dc-dc converters designed for telecom
CUI Inc., a Bel group company, has recently introduced the PQC30-O, PQC50-O, and PQC75-O series to expand its line of isolated dc-dc converters. The new converters are designed with a 36~75 Vdc input range and are presented in an economical and slim, open-frame, 1/16th brick form factor. The PQC-O series is tailored specifically for telecom…
Vishay introduces surface-mount Trench MOS Barrier Schottky rectifiers
Vishay Intertechnology recently introduced five new series of 60, 100, and 150 V surface-mount Trench MOS Barrier Schottky (TMBS) rectifiers in the low-profile DFN3820A package with wettable flanks. Providing space-saving, high-efficiency solutions for commercial, industrial, energy, and automotive applications, the VxNL63, VxNM63, VxN103, VxNM103, and VxNM153 offer: Best-in-class current ratings up to 7 A Current…
Allegro offers high-efficiency isolated gate-driver IC
Allegro MicroSystems, a global provider in power and sensing solutions for motion control and energy-efficient systems, has announced the launch of its new Power-Thru isolated gate driver. This is the first product introduced in the company’s Power-Thru portfolio. Allegro’s new isolated gate driver creates a single-package solution that drives GaN FETs with up to a…
Renesas develops space-ready reference design for AMD Versal adaptive SoC
Renesas Electronics Corporation, a supplier of advanced semiconductor solutions, announced a complete space-ready reference design for the AMD Versal adaptive system-on-chip (SoC) XQRVC1902. Developed in collaboration with AMD, the ISLVERSALDEMO2Z reference design integrates key radiation-hardened components for power management, including four new and recently released products in an ultra-compact design. These Intersil-brand ICs are specifically…
Infineon launches smart Power PROFET switches for automotive applications
Since relays and fuses cannot meet the requirements of modern E/E vehicle architectures, partial or complete electrification of the primary and secondary power distribution must be taken into account. To address this issue, Infineon Technologies has launched a new generation of ultra-low ohmic high-side switches in a TO-leadless package, the Power PROFET + 12V switch…
STMicroelectronics begins volume production of PowerGaN devices
STMicroelectronics has begun volume production of e-mode PowerGaN HEMT (high-electron-mobility transistor) devices that simplify the design of high-efficiency power-conversion systems. The STPOWER GaN transistors raise performance in applications such as wall adapters, chargers, lighting systems, industrial power supplies, renewable energy applications, and in automotive electrification. The first two products in the family, the SGT120R65AL and SGT65R65AL, are industrial-qualified 650V normally-off G-HEMT in a…
STMicroelectronics launches new family of octal high-side switches
STMicroelectronics has launched a family of octal high-side switches that combine galvanic isolation for robustness, RDS(on) below 260mΩ for energy efficiency and protection, as well as diagnostics for reliability and fault recovery. The 8-channel switches, ISO808, ISO808A, ISO808-1, and ISO808A-1, drive all types of industrial loads — capacitive, resistive, and inductive — with one side connected to ground. Typical…
The market’s first automotive-integrated hot-swap and ORing controllers
The STMicroelectronics STPM801 is the market’s first automotive-qualified integrated hot-swap and ideal-diode controller featured for functional-safety applications. The ideal-diode controller drives an external MOSFET replacing a Schottky diode conventionally used for reverse-input protection and output-voltage holdup. The reduced voltage drop across the MOSFET reduces power dissipation during normal operation, compared to the forward voltage of the Schottky diode. When…
STMicroelectronics’ octal high-side switches offer protection and diagnostics
STMicroelectronics’ IPS8160HQ and IPS8160HQ-1 new high-side switches provide eight channels in a compact QFN48L package — with the added value of built-in protection and diagnostics. This unique combination of features saves space and enhances reliability in PLC modules used for driving heavy loads and unidirectional motors in vending machines. Additional applications for the new switches include I/O peripherals…
Infineon’s CoolSiC XHP 2 high-power modules enable energy efficiency
To meet global climate targets, transportation must shift to more environmentally friendly vehicles such as energy-efficient electrified trains. Trains, however, have demanding operating profiles with frequent acceleration and braking, while being expected to operate reliably over a long service life. Consequently, energy-efficient traction applications with high-power density, reliability, and quality are required for implementation. Infineon…
Infineon releases complete portfolio of high-quality GaN devices
Infineon Technologies AG has successfully integrated the CoolGaN 600 V hybrid-drain-embedded gate-injection transistor (HD-GIT) technology into its in-house manufacturing. The company is now releasing the complete portfolio of its high-quality GaN devices to the broader market. Taking advantage of Infineon’s fully owned and controlled supply chain, the expanded GaN portfolio includes a wide range of…
Infineon launches new automotive smart high-side power-switch portfolio
Today, almost every new car is equipped with advanced driver-assistance systems (ADAS), and the automotive industry is striving for even higher automation. Such safety-critical systems require a dependable and intelligent board net architecture and, in combination with more comfort functionalities, lead to an increasing number of loads. The E/E architecture further requires reliable and intelligent…
STMicroelectronics launches iso buck converters for protected power conversion
The STMicroelectronics L6983i 10W isolated buck (iso-buck) converter ensures high efficiency and a compact footprint — with advantages including low quiescent current and 3.5V-38V input-voltage range. The L6983i is suitable for applications that require an isolated DC-DC converter. It implements an iso-buck topology, which uses fewer components than a conventional isolated flyback converter and requires no…
CUI launches new isolated dc-dc converters
CUI Inc, a Bel group company, announced the addition of two isolated dc-dc converters with the PQQC3-OS and PQQC6-OS series — featuring a 2:1 input range, 36~75 Vdc, and a single regulated output. The series is certified to 62368 safety standards for CE and UKCA and are suited for a variety of industrial, test & measurement, and…
STMicroelectronics’ new VIPerGaN converters save space and raise efficiency
STMicroelectronics has extended its high-voltage wide-bandgap power-converter family by adding the VIPerGaN100 and VIPerGaN65 for single-switch quasi-resonant (QR) flyback converters up to 100 and 65W. The compact and highly integrated design targets switched-mode power supplies (SMPS) for USB-PD chargers, home appliances, smart-building controllers, lighting, air conditioning, smart metering, and other industrial applications. Each device integrates a pulse-width…