Power

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AC/DC power supplies offer efficiencies up to 92%

AC/DC power supplies offer efficiencies up to 92%
  Expanding the company's N series AC/DC power supplies, Powerstax has announced the 504W NM0501 and 1008W NM1001. Both of these power supplies feature 90-264VAC inputs and power efficiency levels of up to 92%, enclosed in ultra-low profile 1U format packages.
28th July 2014

Digitising linear measurement for greater accuracy

A novel approach to digitally measuring analogue current could deliver greater accuracy at ultra-low powers. By Johann Zipperer & Peter Weber, Texas Instruments.
28th July 2014

Power supplies offer built-in solar array simulator

Power supplies offer built-in solar array simulator
Three DC power supplies, the PVS10005, PVS60085, and PVS60085MR, have been introduced by B&K Precision. Delivering output power of up to 5.1kW, the PVS Series boasts excellent regulation, low noise, and fast transient response times. Offering a built-in solar array simulator (SAS) function to generate photovoltaic I-V curves, the power supplies provide high power density in a compact 2U form factor making them suited to high voltage testing up to 1000 V, motor inverter testing, and solar array testing applications.
25th July 2014


With just 5µA quiescent current, device delivers 1A outputs

With just 5µA quiescent current, device delivers 1A outputs
Delivering dual 1A continuous current to outputs as low as 0.6V, the 17V LTC3622 synchronous buck regulator has been introduced by Linear Technology. The LTC362 device is capable of switching at a fixed 1MHz frequency, whereas the LTC3622-2 device switches at 2.25MHz. Single or dual cell Li-Ion applications, as well as 5V or 12V intermediate bus systems, will benefit from the devices' input voltage range of 2.7V to 17V.
25th July 2014

Power Z-FET boosts system switching reliability

Power Z-FET boosts system switching reliability
Richardson RFPD is now offering availability and full design support capabilities for a new silicon carbide power Z-FET from Cree. The C2M0040120D is a 1200V, 40mOhm RDS(on) SiC MOSFET that features N-channel enhancement mode and is available in a TO-247-3 package. Benefits of the device include higher system efficiency, reduced cooling requirements, and increased system switching frequency and reliability.  
24th July 2014

Switching regulator for Thunderbolt applications

Switching regulator for Thunderbolt applications
Texas Instruments has introduced what the company claims is the first fully integrated power solution for bus-powered Thunderbolt applications. The TPS65980 DC/DC switching regulator integrates all power management functions required for a Thunderbolt bus-powered device, reducing the total BOM cost by 50% and solution size by 40% compared to discrete solutions.
24th July 2014

250W AC/DC PSUs target industrial and medical applications

250W AC/DC PSUs target industrial and medical applications
Suitable for industrial and medical applications, XP Power has announced a 250W model in the GCS series of high efficiency single output AC-DC power supplies. They GCS250 is supplied in the an industry standard 127x76.2mm (3x5") open frame package, an enclosed covered version and top or end-mounted fan cover options.
24th July 2014

Programmable power design tool updated with Arduino

The latest version of the company's intuitive programmable power design tool, PowerArchitect 5.1 has been released by Exar. This updated version now supports the XRP7720 and XRP7725 programmable power ICs, the XRP9710 and XRP9711 power modules and the latest universal PMICs and development boards. It also adds time saving features to simplify and accelerate power system programming.
24th July 2014

AC/DC power supplies offer 89% efficiency at up to 70°C

AC/DC power supplies offer 89% efficiency at up to 70°C
AC/DC power supplies which are suitable for use within harsh environments, have been released by Power Sources Unlimited. The TXM series of AC/DC power supplies, which are available from 15W-320W, operate at up to 70°C and have a working efficiency of up to 89%. Featuring a low-profile metal case with a screw terminal connection, the series can be used with a variety of equipment.
24th July 2014

1kW power supply suits harsh environment electronics

1kW power supply suits harsh environment electronics
Expanding the company's XF series high reliability, ruggedised COTS modular power supplies, Excelsys Technologies has announced the 1000W XFN powerPac model. The power supplies are designed for application such as harsh environment electronics, including industrial and MIL/COT’s, test and measurement, fixed, mobile and naval radar and communications.
24th July 2014


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