Powering Communications

May 2023

Flex Power Modules Extends Eighth-Brick DC/DC Series to Include Telecom Input Range

Flex Power Modules has added a new part to their popular BMR492 series which now features a wide 36-75 V input range for telecom/PoE applications. The through-hole BMR492 0311/011 provides a regulated 12 V output rated at 504 W / 42 A adjustable from 8-13.2 V, and achieves 96% efficiency at half load. Monit

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Date:

05/30/2023

Silex Technology Announces High-Performance 802.11ah Wi-Fi HaLow SDIO Module

Silex Technology announced the SX-SDMAH, an industrial-grade Wi-Fi HaLow SDIO module that delivers high transmission power. Utilizing Morse Micro’s MM6108 chipset, the SX-SDMAH maximizes Wi-Fi HaLow’s long-range, high data throughput capabilities, allowing up to 8 MHz usage in approved countries. Th

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Date:

05/29/2023

Click image to enlarge

Figure 1: This rack mount system uses 40 power supplies in parallel (bottom) and a dedicated controller (top) to deliver 128 kW of 48 Vdc power for an RF amplifier

How to Deploy Sustainable, High Density & Flexible Rack Power Systems

MEAN WELL Product Manager, Kai Li and Sager Electronics Technical Support Manager, Don Baldwin

More and more of the industry's applications are requiring, sustainable, high density and flexible rack mount power supplies as we move towards power systems with high-efficiency power conversion and intelligent power management. To avoid the hassle of designing power converters and power management systems fr

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Date:

05/29/2023

APEC 2024

APEC 2024 Announces Call for Technical Program Paper Digest Submissions

APEC 2024, to be held in Long Beach, California, from February 25-29, 2024, continues the long-standing tradition of addressing issues of immediate and long-term interest to the practicing power electronics engineer. APEC is now accepting paper digest submissions for the Technical Program. Since APEC 2024 wil

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Date:

05/29/2023

Safe isolation and Low Power consumption in High Voltage Digital Control Applications

Jiaxin Tian, Senior Staff Product Application Engineer; Dr. Narayanaswamy Swaminathan, Staff Product Definition Engineer; and Dr. Diogo Varajao, Head of Technical Marketing of Isolation ICs, all at Infineon Technologies

Introduction Effective galvanic isolation is crucial in high-voltage applications to prevent unwanted leakage currents from flowing between two parts of a system with different ground potentials (GPD) [1]. As depicted in Figure 1 (left), the DC return current from the input to the output can cause a potentia

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Date:

05/14/2023

TRACO POWER’s new TRI 1 and TRI 1SM

1 watt DC/DC converters with 480 VAC isolation voltage

The core characteristic of the TRI 1(SM) series is a sophisticated reinforced isolation system which is able to withstand high test voltages (8000 VDC for 1s and 3000 VAC for 60s) and working voltages (480 VACrms). Efficiencies up to 84% allow safe operation from –40°C to +85°C without derating.

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Date:

05/10/2023

Switch Addresses the Globally Evolving Wireless Standards in 5G New Radio Sub-6 GHz RF Network Applications

Menlo Microsystems, Inc. (Menlo Micro) announces a product specifications update for the MM5140 DC-to-8 GHz SP4T switch. This product is positioned to address the globally evolving wireless standards in 5G New Radio (NR) sub-6 GHz RF network applications and emerging broadband wireless applications up

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Date:

05/09/2023