voltage

A major advantage of a switching regulator is that it can boost a lower voltage into a higher one. This type of regulator is also known as a boost or step-up converter. A boost converter is used to step up an input voltage to a higher level as required by a load. This capability is…

Most appliances require 5Vs for operation. In this experiment, we’ll design a DC-to-DC buck converter that provides 5Vs of the regulated output. We’ll use an Adjustable AP65111AWU-7 switch-mode IC for the DC voltage conversion and analyze its performance.  Specification of the IC: A step-down 12V DC to 0.8V to 6V DC An output current of…

In this do-it-yourself circuit, we’ll design a Raspberry Pi (RPi) power supply. First, we’ll create a list to follow as a blueprint for the circuit, ensuring we design it correctly. Let’s start with a list of our goals for the circuit. Goals   1. A steady power supply: Ensure RPi receives a consistent and stable…

Voltage and current sources are two fundamental types of electrical sources used in electronic circuits. A voltage source, such as a battery, is commonly used in many devices. It’s a two-terminal device that maintains a constant voltage across its terminals, regardless of the current flowing through the source. A current source is typically less discussed…

Texas Instruments (TI) has introduced its new opto-emulator portfolio of signal isolation semiconductors, designed to improve signal integrity, consume less power, and extend the lifetime of high-voltage industrial and automotive applications. TI’s inaugural opto-emulators are pin-to-pin compatible with the industry’s most common optocouplers, enabling seamless integration into existing designs while leveraging the unique benefits of…

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…

Vishay Intertechnology has introduced three new miniaturized infrared (IR) sensor modules for remote-control systems. Featuring modulated carrier output for code learning applications, the Vishay Semiconductors dual-lens TSMP95000 and single-lens TSMP96000 and TSMP98000 combine a wide supply voltage range from 2.0 to 5.5 V with a low typical power consumption of 0.35 mA at 3.3 V. Featuring a new in-house…

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…

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…

Nexperia, an expert in essential semiconductors, has introduced an AEC-Q101-qualified portfolio with six ESD protection devices (PESD2CANFD36XX-Q). They’re designed to protect bus lines in automotive in-vehicle networks (IVN) such as LIN, CAN, CAN-FD, FlexRay, and SENT from damage caused by electrostatic discharge (ESD) and other transients. As data rates increase and vehicles feature more electrification,…

STMicroelectronics has expanded its family of advanced ultrasound transmitters by adding a 32-channel variant with high output current for portable applications. The new transmitter, STHVUP32, provides ±800mA aimed at portable systems that demand extra drive capability for a coaxial cable-mounted probe. Joining the portfolio alongside the 64-channel STHVUP64, the new 32-channel version contains similar features to increase performance…

STMicroelectronics’ HVLED101 90-400V flyback controller for LED-lighting applications up to 180W enhances performance and simplifies design through extensive feature integration, patented control techniques, and support for primary-sensing regulation. Joining ST’s HVLED family of high-power-factor controllers, the HVLED101 contains 800V startup circuitry that cuts the LED turn-on time to less than 250ms. High-voltage input-sensing circuitry and a maximum…

STMicroelectronics has extended its family of dual-channel high-speed digital isolators, enhancing flexibility for designers to optimize their board layout. The new STISO620 contains two channels of the same directionality, having all digital inputs on one side of the isolation barrier and all digital outputs on the other side. It joins ST’s digital isolator lineup alongside the STISO621 and…

STMicroelectronics’ STNRG011A digital power combination controller for 90 to 300W supplies features enhanced overload management that ensures accurate output-voltage regulation when overcurrent protection is active. Integrating a power-factor correction (PFC) controller, LLC resonant half-bridge controller, 800V startup circuitry, and supervisory engine, the STNRG011A is used in power adapters, chargers, and television and lighting power supplies. The…

Nexperia, an expert in essential semiconductors, announced the latest additions to its rapidly expanding portfolio of Clip-bonded FlatPower (CFP) packaged diodes for industrial and automotive applications. The latest additions include 32 planar Schottky diodes and eight hyperfast recovery rectifiers housed in the CFP15B package. They’re available as standard and Q-types that meet AEC-Q101 automotive qualification…

Vishay Intertechnology has introduced a new fourth-generation 600 V EF Series fast-body diode MOSFET in the low-profile PowerPAK 10 x 12 package. Providing high efficiency and power density for telecom, industrial, and computing applications, the Vishay Siliconix n-channel SiHK045N60EF slashes on-resistance by 29% compared to previous-generation devices. It also delivers a 60% lower gate charge. This…

Optimized performance, efficiency, and reliability in high-voltage power supplies need to be combined with reduced bill-of-material (BOM) count and cost, as well as lower design efforts. With its 5th generation fixed-frequency (FF) CoolSET portfolio, Infineon Technologies offers the ideal components to meet these needs and effectively manage the critical design trade-offs. The new 800 and 950 V AC-DC…

Diodes Incorporated has announced a further addition to its family of automotive-compliant DC-DC converters. The DIODES’ AP64060Q is a 600mA synchronous buck-converter device with an input voltage range that covers 4.5 to 40V. It incorporates a 600mΩ high-side power MOSFET plus a 300mΩ low-side power MOSFET so that high-efficiency step-down conversion (reaching 90%) can be…

Diodes Incorporated has announced a series of bidirectional current monitors based on a high-stability zero-drift architecture. These devices are capable of accurately measuring very low sense voltages across a wide range of common-mode voltages. Key applications include laptop PCs, battery chargers, industrial servos, servers, power-supply racks in server farms, and robotic systems. Consisting of six…

Contemporary server, communication, and network storage applications struggle to minimize power losses and solution size. The rapidly changing market also requires system solution providers to address market needs faster than usual. To address these issues, Infineon Technologies has introduced highly efficient and reliable step-down DC-DC converter modules. Adding to the point-of-load (POL) family, these modules…