Design Center: Motor Drives, Robotics & Controls

November 2020
GaN Modules Feature Superior System Performance
GaN Systems announced the availability of four new integrated power module evaluation kits: 100V Driver GaN DC/DC Power Stage Module, 650V 150A Half-Bridge IPM, 650V 150A Full-Bridge Module and Driver, and 650V 300A 3-Phase Module and Driver. These modules are designed to be easy to use and evaluate performance in
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Date:
11/23/2020

Würth Elektronik’s online platform REDEXPERT expanded
Würth Elektronik has heeded its customers’ suggestions from the practical area and has installed a feature that enables the direct comparison of aluminum-electrolyte and aluminum-polymer capacitors. The calculation of the ripple current has also been improved. The RedExpert online platform has now been modified
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Date:
11/13/2020
Low-inductance SiC power module and programmable gate driver kit
The transformation to electrify transportation – from trains, trams, and trolleys to buses, automobiles and EV chargers – continues at a rapid pace, as countries shift toward improved modes of transit with greater efficiency and innovative technology. Microchip has announced its AgileSwitch digital programmab
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Date:
11/13/2020
Digital XDP controller for cost-effective flyback LED drivers
It provides high power factor and constant voltage output. The device operates in quasi-resonant mode (QRM) to maximize the efficiency and minimize the electromagnetic interference (EMI) over a wide load range. It accommodates active burst mode (ABM) at light load to prevent audible noise while achieving a no-lo
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Date:
11/13/2020
Würth Elektronik presents WE-TGF thermoconductive gap filler
The outstanding feature of the self-adhesive gap-filler material: The non-conductive barrier with a high dielectric strength has a high thermoconductivity index of 1 W/(m*K). The material easily adapts to the differing thicknesses of components on the PCB and fills the gaps between hot electronic components and me
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Date:
11/13/2020
The MAX31889 digital temperature sensor features an unmatched combination of accuracy and power consumption, replacing expensive resistance temperature detectors (RTDs) in precise temperature-sensitive applications. The MAX31825 digital temperature sensor enables up to 64 devices per bus, all parasitically powe
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Date:
11/13/2020
SiC MADK board for servo drives
As part of the MADK platform for motors of up to 7.5 kW, the evaluation board EVAL-M5-IMZ120R-SIC is a 3-phase inverter board aiming at servo drive applications. As a true first, Infineon offers details about schematics (PDF), parts (Excel), layout (Gerber), and design package (Altium) as download package on t
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Date:
11/13/2020
Durable 1.27mm pitch connectors with cable assemblies
Based on customer feedback, the company has just introduced off-the-shelf IDC cable assembly options to accompany the existing discrete connector components. These are available now direct from stock through Harwin’s global network of distributors. On each of these assemblies, a ribbon cable is fitted with female conne
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Date:
11/13/2020
Schaffner reintroduce single-phase EMC filter
Large and complex machine tools with multiple driving axes and very long motor cables can be subjected to major reliability problems caused by internal coupling of interferences from the drive system to the control wires. This can cause dropouts and interrupts of the control unit and consequently lead to unnece
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Date:
11/13/2020
Nexperia TrEOS automotive ESD protection
In common with all TrEOS components, the new parts combine extremely low capacitance ensuring high signal integrity, extremely low clamping and high robustness for modern automotive interfaces. Specific automotive applications include infotainment, multimedia and ADAS systems featuring USB 3.2, HDMI, LVDS, SerD
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Date:
11/13/2020
Compact auto-ranging DC supply with energy-recovering DC load
The PSB series are microprocessor controlled bi-directional supplies that feature two devices in one: an auto-ranging DC power supply and an electronic DC load with energy recovery. The bi-directional package replaces individual programmable sources and loads, and the regenerative load returns up to 95% of test
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Date:
11/13/2020
Essential analog transceivers deliver reliable connectivity
These devices are designed to increase industrial system uptime for factory-floor networks. The MAX33012E features the industry’s most advanced fault detection and reporting, while the MAX33072E provides the ability to connect the broadest range of disparate nodes, increasing reliability by enabling the connectio
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Date:
11/13/2020
WE-MK high-frequency, multilayer ceramic inductors
WE-MK is available in three different sizes—0201, 0402 and 0603—as well as various inductance values from 1 nH up to 470 nH. The WE-MK inductors have very stable inductance over the entire operating temperature range from -55 to +125°C with inductance tolerances of ±5% or ±0.3 nH (depending on inductance val
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Date:
11/13/2020
RS Components stocks HARTING SPE connectivity solutions
Compliant with the newly established IEC 63171-6 industry standard, the Tw1ster connector series fully addresses the needs within modern industrial settings for more compact, lightweight cabling. Through these cutting-edge interconnect components, both data and power can be simultaneously transported, thereby reduc
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Date:
11/13/2020
TRENCHSTOP IGBT7 technology now available in TO-247 housing
The device comes in a TO-247 with 650 V break down voltage. The new TRENCHSTOP family portfolio consists of current ratings of 20 A, 30 A, 40 A, 50 A, and 75 A. It can easily be used for replacing previous technologies and for paralleling. This version of IGBT7 is especially suited to applications such as indust
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Date:
11/13/2020
Switching regulators are drop-in replacements for LMxx devices
TSR-WI devices offer high efficiencies of up to 94%, along with low standby current and excellent line/load regulation. The TSR-WI Series comprises two families of single-output switching regulator — known as TSR-0.6WI and TSR-1WI, with 0.6A and 1A maximum output current ratings, respectively — and output
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Date:
11/13/2020
Second-generation full-SiC industrial power modules
The low power loss characteristics and high carrier frequency operation of the SiC-MOSFET (metal oxide semiconductor field-effect transistor) and SiC-SBD (schottky barrier diode) chips in the modules are expected to facilitate the development of more efficient, smaller and lighter weight power equipment in various in
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Date:
11/13/2020
RS Components adds SiC MOSFETs from ON Semiconductor
The new N-channel SiC MOSFETs support accelerated switching speeds (with rise times of as little as 10ns). Exhibiting on-resistance figures going down to 20mΩ alongside industry-leading gate charge values, they are subject to minimal power losses. Exceptionally robust, these devices can cope with ultra-high c
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Date:
11/13/2020
Lite-on delivers SMPS with 80 PLUS Titanium certificate
The trend of digitalization has accelerated. Consequently, the number of server farms has risen and with it the power demand. Driven by the phenomenon of global warming, the importance of higher energy efficiency of operations is therefore increasing. Introduced in 2004, the measurement standards defined by th
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Date:
11/13/2020
Zero cross detection ICs for home appliances
The rising demand for smart home devices and IoT applications has added communication functionality (i.e. Wi-Fi) to home appliances. As it is necessary for such devices to always be ON to maintain communication, manufacturers are required to reduce standby power consumption even more to around 0.5W. This calls
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Date:
11/13/2020
Quarter brick digital DC/DC converter delivers up to 500 W
The new converter family provides indispensable monitoring functionality and control of the feedback loop to help stabilization. The high-density BMR683 converter is introduced in the industry-standard quarter-brick format, saving valuable board space. The device has an output power up to 500 W at 28 Vout, and an in
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Date:
11/13/2020
Low profile, 3-phase 5kW AC-DC power supply
In common with the existing products in the range, the new HPT5K0-L units feature a three-phase, three-wire & earth, 180 to 528VAC input and they carry ITE/industrial and medical agency approvals. The new ‘-L’ designated units are supplied in a chassis mount package with a height of just 63mm (2.5”)
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Date:
11/13/2020
COSEL adds 300W power solution with triple isolated outputs
The RBC300F is an open-frame, configurable AC/DC power supply with triple outputs tailored for robotic controllers and factory automation. Based on a unique concept, the Cosel RBC300F series offers three configurable isolated outputs, with one having a reinforced isolation to power Intelligent Gate Bipolar Trans
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Date:
11/13/2020
100 V eGaN FET Family
The applications for these leading-edge devices include synchronous rectification, class-D audio, infotainment systems, DC-DC converters (hard-switched and resonant), and lidar for autonomous cars, robotics, and drones. The EPC2218 (3.2 mΩ, 231 Apulsed) and the EPC2204 (6 mΩ, 125 Apulsed) have nearly 20% lo
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Date:
11/13/2020
Stackpole Adds 3.5W-Rated Current Sense Chip Resistor
Power supplies and power controls have a wide range of sensing requirements. For applications that require high sensing precision and high power where the element TCR is more important than low resistance values, the CSRT2512-UP offers a 3.5W rated chip resistor in a package that normally only allows for 1 or
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Date:
11/10/2020
Timing Challenges in Industrial Applications

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Figure 1. Network topology of a multiaxis machine

Robots typically have six axes that need to be controlled in a coordinated manner, and sometimes seven if the robot is moving along a rail. In CNC machining, 5-axis coordination is common, although there are applications that utilize up to 12 axes in which tools and workpieces are both being moved with respect to
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Date:
11/02/2020
Shrinking Industrial Designs with Highly Integrated PMICs

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Figure 1: Functional block diagram of a condition monitoring analog front end attached to a host microcontroller (Source: Mouser)

The industrial manufacturing landscape is undergoing considerable change. Led by government initiatives such as Industry 4.0 and the associated Industrial Internet of Things (IIoT) trend, organizations are keen to embrace and harness the data gathered from a vast army of connected sensors. Promising to yield an
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Date:
11/02/2020
Improving Automation to Support Living, Working Post-COVID
The longer-term prospects for business in a post-COVID-19 world look decent, as analysis adjusted for COVID-19 predicts exponential growth between now and 2025. The ability to reduce costs, improve quality, and increase output are all well-known reasons for businesses to introduce robots to their operations. But no
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Date:
11/02/2020
Past, Present and Future of Powerline Inspection Automation

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Figure 1. Snowy powerline

Tedious. If you ask electric utilities for one word on powerline inspection, that would probably be it. Time-consuming and expensive would probably also feature. Yet vital would be just as valid: there is no way to safely operate a transmission and distribution network without inspecting lines for damage or risk fr
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Date:
11/02/2020
Is it Time for Onshoring?
November is the month of Guy Fawkes, war remembrance and normally electronica. In the US this year, it is Thanksgiving and elections. I’m writing this a week before the election, and as you read this, the result will already be known. The ramifications from the US election will be felt around the world, both di
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Date:
11/02/2020
Robotics Can Help us Navigate a Post-COVID World
With election season upon us – if you’re in the U.S., you should’ve cast your ballot by now – it’s nice to know you can have some good, clean non-partisan fun with Power Systems Design. And as we explained in the editorial call, “Motor Drives, Robotics & Controls” is one of those critical
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Date:
11/02/2020
Taking a Survey of Firefighting Robotics
The California wildfires didn’t just reignite the climate change debate – it also spotlighted the use of robotics in firefighting…and how far we have to go. Police and military units have deployed bomb disposal robots for almost half a century – U.S. EOD (explosive ordinance disposal) has used iRob
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Date:
11/02/2020
Advances in Motor Drives and Robotics: The Future is Here
If the cost/benefit ratio for new technology can’t be justified, it won’t be adopted. Case in point: Not long ago, our industry dreamed of using variable speed motor drives for appliances and consumer HVAC systems when, in reality, the cost of these electronics was often higher than the end product. We knew in
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Date:
11/02/2020
Forty Years of Know-How

Figure 1: Technology development and product family positioning of Infineon’s 12-300 V power MOSFET offering

Our world has experienced dramatic change over the past 50 years. New economic, social and technological trends have emerged significantly impacting our way of life in different ways.  Regardless of the way and degree to which the world has been changing, one thing remains: technology plays a crucial role in
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Date:
11/01/2020