Power Supplies

July 2019
AC-DC Power Filters Address EMC and Surge Compliance
TUALATIN, Ore. — CUI’s Power Group announced the addition of ac-dc power filters, designed to accompany its existing portfolio of low power embedded ac-dc power supplies. The EMC‑20 and EMC‑30 series offer 20 dB and 30 dB of ac-line noise filtering at 150 kHz to 1 GHz, respectively. Available in compact bo
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Date:
07/30/2019
AC-DC Power Supplies Offer Multiple Mounting Options
TUALATIN, Ore. — CUI’s Power Group announced the addition of 3 W and 5 W models to its line of low power, encapsulated ac-dc power supplies. Available in board mount, chassis mount, wire lead, and DIN rail configurations, the single output PSK‑S3 and PSK‑S5B series are housed in compact packages measuring as
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Date:
07/30/2019
The Apollo Guidance Computer – History's Unsung Hero

Margaret Hamilton posing next to stacks of software she and her team at the MIT Instrumentation Laboratory developed for the Apollo computer.

We’ve all heard that the computer on Apollo 11 had less memory than modern calculators. And that’s true, but the disparities are even more astounding, and on the 50th anniversary of the first moon landing, I wanted to take a gander at the piece of hardware that made Apollo 11 possible, the Apollo Guidance
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Date:
07/24/2019
There are various solutions available for timing applications. For simple tasks, a standard 555 circuit can be used. With the 555 circuit and the appropriate external components, numerous different tasks can be performed. One disadvantage of the popular 555 timer, however, is the inaccuracy of the timer set
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Date:
07/23/2019
The Right Approach to Power-Supply Selection and Design

Click image to enlarge

Figure 1: Off the shelf Power Supply

There are three main options, though more complex systems could rely on a combination of all three. The first option that will be most familiar to experienced board-level engineers is the custom power circuit, though this will often involve a combination of off-the-shelf power controllers together with discrete po
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Date:
07/23/2019
Trends and Challenges for Electric and Hybrid Vehicles
It’s gonna be a scorcher, folks. Not the summer, though record-breaking heat is roasting the nation. I’m talking about the July/August issue, which covers one of the industry’s hottest topics, "Electric + Hybrid Vehicles." Rest assured, you’ll enjoy this heat wave. The automotive space is a broad um
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Date:
07/23/2019
Resistors Designed for High-Voltage Handling
RALEIGH, NC – Stackpole is now stocking 10M, 100M, 500M, 1G, and 10G ohm values of its HVAM axial leaded precision resistors. These resistors are designed for high voltage handling and high resistance values with power ratings from 2W to 10W. The proprietary direct film deposition of the HVAM enables toleranc
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Date:
07/18/2019
6 W Multi-Blade Power Adapter Boasts Ultra-Compact Package
TUALATIN, Ore. — CUI’s Power Group announced the introduction of a next-generation 6 W wall plug-in ac-dc power supply with interchangeable ac blades designed for global use. The SMI6B series features an ultra-compact package measuring 1.85 x 1.36 x 1.04 in (47 x 34.5 x 26.5 mm), while complying with the US
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Date:
07/16/2019
Improvements for Most Popular 1-watt DC-DC Converter Style
San Jose, Calif. - TRACO POWER has announced the release of their TBA 1 series of 1-watt DC/DC converters in the industry standard SIP-4 package measuring 0.46 x 0.24 x 0.38". This style of DC/DC converter is widely used to provide isolation between low-power circuits and has long been the most common type of
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Date:
07/16/2019
DAC Operates with a Power Supply Range from −33 V to +33 V

The evaluation board for the AD5758.

The AD5758 is a single-channel, voltage and current output digital-to-analog converter (DAC) that operates with a power supply range from −33 V (minimum) on AVSS to +33 V (maximum) on AVDD1 with a maximum operating voltage between the two rails of 60 V. On-chip dynamic power control (DPC) minimizes package po
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Date:
07/12/2019
AD Front End for Industrial Systems and Sensor Flexibility
The AD4110-1 is a complete, single-channel, universal input analog-to-digital front end for industrial process control systems where sensor type flexibility is required. The high voltage input is fully software configurable for current or voltage signals and allows direct interface to all standard industria
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Date:
07/12/2019