1700V MOSFET die, discrete devices and power module devices, expands designers’ options for efficiency and power density. Today's energy-efficient charging systems powering commercial vehicle propulsion systems, as well as auxiliary power systems, solar inverters, solid-state transformers and other transportation and industrial applications rely on high-voltage switching power supply equipment. To meet these needs, Microchip Technology Inc. today announced the expansion of its silicon carbide product portfolio, launching a series of high-efficiency, high-reliability 1700V silicon carbide MOSFET die, discrete devices and power modules.

Published : 2021-08-13

Thanks to the rise of big data and the rapid improvement of computing power, machine learning technology has experienced revolutionary development in recent years. Machine learning tasks such as image classification, speech recognition, and natural language processing all process Euclidean data with a certain size, dimension, and ordered arrangement. However, in many real-world scenarios, data are represented by complex non-Euclidean data (e.g., graphs). These graphs contain not only data but also dependencies between data, such as social networks, protein molecular structures, customer data in e-commerce platforms, etc. The increase in data complexity has brought serious challenges to traditional machine learning algorithm design and implementation technology. In this context, many new graph-based machine learning algorithms or graph neural networks (GNN) are constantly emerging in academia and industry.

Published : 2021-08-16

LM25149-Q1 is a 42V synchronous step-down DC/DC controller suitable for high current single output applications. Please see the errata. The device uses a peak current mode control architecture that enables easy loop compensation, fast transient response, and excellent load and line regulation. The LM25149-Q1 can be set up in interleaved mode (parallel output) and provides accurate current sharing for high current applications. The

Published : 2021-08-16

ADL6317 antenna (RF) gain gain module (VGA) provides an interface from the radio frequency (RF) digital converter (DAC), converter and system-on-chip (SoC) to the internal power amplifier (PA). Integrated devices with balanced/unbalanced regulators and hybrid circulators enable RF capabilities in the frequency range of 1.5GHz to 3.0GHz. The ADL617 also contains a dynamic expander (VVA), high linearity amplifier and digital attenuator (DSA), while the kit integrated into the ADL6317 can be programmed via a 4-wire port interface (SPI). RF output frequency from 15000MHz to 3000MHz. 50 Ω input and 50 Ω single-ended output, operating voltage 5V. Mainly used in 2G/3G/4G in FDD/TDD broadband communication systems LTE. This article introduces the main features of the ADL63RF signal chain, functional circular and RF signal chains, basic point connection diagrams and signal-enabled general feature setup diagrams, as well as the main features of the ADL6317 board, test setup diagrams and circuit diagrams.

Published : 2021-08-16

encoder is a sensor used to measure mechanical rotation or displacement. It can measure information such as displacement, position or speed of mechanical parts during rotation or linear motion, and convert it into a series of electrical signals.

Published : 2021-08-13