NEWS Flex Power Modules’ 8:1 non-isolated bus converter F
lex Power Modules has launched the BMR320, a non- isolated, unregulated, DC-DC
intermediate bus converter with a fixed 8:1 input/output voltage ratio. The product operates over a 40- 60 VDC input range, producing a 5 to 7.5 VDC output, ideal for powering point of load converters
at lower intermediate bus voltages to optimise system efficiency. The BMR320 is rated at 400W/60A at 54V input and achieves a power density of 128W/cm3 (2126 W/in3), measuring just 27 x 18 x 6.4mm. With efficiency peaking at 97.7%, up to three units can be paralleled for a total load of 1080W. The parts are designed for top-
side cooling to a heatsink with airflow or for liquid cooling via a thermal block, and the relatively flat design of the topside of the converter allows for easy connection via a thermal interface material such as a gap pad. The unregulated, non-isolated architecture used in the BMR320
reduces the output impedance of the converter when compared to regulated designs, which effectively reflects the input bus capacitance efficiently to the output, enhancing its ability to cope with large load transients with minimal “droop”. The BMR320 protection features include output current limit and
over-voltage, along with over-temperature and input undervoltage. A PMBus interface is included for monitoring and
control and the part is supported by the Flex Power Designer Tool.
flexpowermodules.com
Silicone Expo and Tape & Functional Film Expo Europe: Reasons to attend
T
he electronics industry is one of the most rapidly growing industries in the world. As such, it is important for electronics companies to stay up-to-date on the latest innovations in the silicone, tape & industrial film industries. Silicone Expo and TFF Expo Europe is the perfect opportunity for electronics companies to network with suppliers, manufacturers and industry experts.
Almost 200,000 tons of silicone products are used in electronics every year. Silicones are used in electronics because they protect var-
ious electronic components from heat, shock, and contaminants. Technological advances provide increasing transistors and compo- nents inside compact devices. Silicones become integral technology of electronic devices we depend on. Conformal coatings are used to protect sensitive electronic components from environmental factors they may be exposed to. For this
reason, they are often used to prevent the board from corroding. The electronic components are more exposed to environmental fac- tors, such as moisture, salt and temperature changes. These factors can cause electronic components to fail. With conformal coatings which are usually applied by spin coating, the technique of coating the board’s fibrous network allows control of the coating's thickness and can help to prevent this. Conformal coatings are indoor surface coatings that work to minimise moisture penetration in electronic devices. To accomplish this,
breathable materials give moisture an escape point and keep potentially harmful contaminants from entering electronic components and circuitry. Because conformal coatings are not sealants, prolonged exposure to vapours will usually cause wire transmission and de- vice degradation to occur. Conformal coatings can typically fit in four classes: Acrylic, Ureth, Silicone, and Varnish. For electronics companies, Silicone Expo and Tape & Functional Film Expo Europe are important events to attend because they offer
the opportunity to network with suppliers, manufacturers and industry experts and offer electronics companies the chance to stay up- to-date on the latest innovations in the silicone and tape industry. In addition to networking, attending the trade show provides an opportunity to learn about the latest industry trends. These events
offer a wealth of information for attendees, making it easy to stay ahead of the competition. Plus, with so many suppliers and manufac- turers in one place, it’s easy to find the best deals on the latest products and services. Early bird registration has officially opened for co-located shows Silicone Expo and Tape & Functional Film Expo Europe, with just under
five months to go until doors open at the RAI Amsterdam on March 21-23, 2023! Following on from the success of the 2021 show, the events will return to the RAI Amsterdam in 2023, bringing together the entire silicone and tape & functional film value chain under one roof. With a wide range of exhibitors, the Expo is sure to be a must-attend event for anyone involved in the silicone or tape & functional film
industries. Register at:
https://events.american-tradeshow.com/siliconeeurope2023
Winbond adopts sustainable low temperature soldering process W
inbond Electronics Corporation’s Flash Memory products will now support the low temperature
soldering (LTS) process, which reduces Surface Mount Technology (SMT) temperature from 220~ 260o free process to ~190o
help the company reduce CO C in the lead-
C. This new process will 2 emissions in
its SMT production lines, while also simplifying, shortening and lowering the cost of the SMT process. According to the forecast of the
International Electronics Manufacturing Initiative (iNEMI), the market share of LTS application products will increase from ~1% to more than 20% in 2027, highlighting the
electronics industry’s commitment to environmental issues and sustainable development practices. Winbond’s LTS products comply with JEDEC standards and have passed the relevant reliability verification procedures including drop,
vibration and temperature cycling tests.
www.winbond.com
6 November 2022 | ELECTRONICS TODAY
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