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Industrial Strength
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Yuan Tao
Jul 17, 2017
How to design an efficient and cost-competitive choke in PFC applications
As losses in the grid increase due to bad power factor (PF), mandates call for more and more end equipment to comply with stringent target values. Air conditioners are already fully regulated, but other motorized appliances such as ceiling fans, vacuum cleaners or refrigerators will likely be next. Power-supply unit (PSU) efficiency enhancement...
Jarrod Krebs
Jul 13, 2017
Sensor-to-cloud: sending all data to one place
In my last post, “ Collecting environmental data with less energy and wiring ,” I discussed making more applications wireless, but how can all this data be collected and manipulated in one place? The solution is the SimpleLink™ Sub-1 GHz Sensor to Cloud, so today I will discuss how to easily set up a sensor-to-cloud network. The...
Sang Chon
Jul 3, 2017
Using digital power MCUs for intelligent EV battery charging
As the green movement increases in popularity, more and more electric vehicles (EVs) of all kinds – from electric scooters and cars to buses and cargo trucks – will take to the roads. The challenge for power designers will be to provide systems that are adaptable to a wide variety of battery types and vehicles with vastly diverse performance...
Ramkumar S
Jun 7, 2017
For efficiencies’ sake – how to integrate bidirectional power flow into your UPS design (part 1)
With a growing emphasis on more compact, smaller and more efficient power systems, there is increasing interest in bidirectional converters. A bidirectional DC/DC converter, capable of bidirectional power flow, can combine the two DC/DC converters traditionally required for battery charging and backup operations into one. This brings down the cost,...
Yuan Tao
Jun 1, 2017
Do you have the correct PFC to meet the new standard of harmonic current emissions standards?
International Electrotechnical Commission (IEC) 61000-3-2: 2014 is a new standard of electromagnetic compatibility (EMC) that supersedes IEC 61000-3-2: 2006 and will be enforced as of June 30, 2017. This part of the standard deals with the limitation of harmonic currents injected into the public supply system. It specifies limits for harmonic components...
Zhaohong Zhang
May 29, 2017
Smart sensing with ultra-low-power MCUs – part 5: smart microphones
In the fifth installment of this six-part smart sensing series , I’d like to discuss another new trend in user interfaces – smart microphones, as demonstrated in popular automated home products used by consumers today such as Google Home and Amazon Echo. The smart microphone integrates a traditional microphone with ultra-low-power digital...
Neel Seshan
May 25, 2017
Small doesn’t mean you compromise performance
A couple of years ago, when I was working with interfaces in the industrial market, the size of the device package was never a showstopper. Fast-forward a few years, and device package size is sometimes a deciding factor as to whether you can use it in your application. Industrial application functionality is increasing while size is decreasing,...
Jarrod Krebs
May 23, 2017
Collecting environmental data with less energy and wiring
Collecting data from the surrounding environment can be beneficial if you want to understand changes in environmental factors caused by building-automation algorithms and gather more sensor data relating to the security of the structure. One problem with adding more sensors to a building is the vast amount of cabling required to power and communicate...
Keegan@TI
May 16, 2017
Bringing new intelligence to industrial applications with mmWave sensors
From position and proximity to level and light, sensing solutions provide a means to sense, digitize and process the world around us. Application-specific problems have given rise to a multitude of different sensing technologies that enable systems to sense conditions with different levels of accuracy and in diverse conditions. With the recent rise...
Sanjay Pithadia
May 12, 2017
What floats your boat? Exploring linear regulators in medical ultrasound
Let’s say that you are working on an ultrasound system . You require a clean ±100V supply to power the ultrasound transmitter, so you need a linear regulator (LDO). How do you tackle this requirement? You could look for a device from a semiconductor manufacturer, but the chances of getting readily available voltage regulators (both...
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