Military, Aerospace & Hi-Rel

September 2020
RJ45 Connectors for IoT Applications w/ Space Restrictions
Stewart Connector introduces a new series of low profile Mid-Plane RJ45 connectors. The Mid-Plane RJ45 design allows the connector to straddle the board edge and utilize space above and below the printed circuit board compared to traditional RJ45 connectors that are only designed to mount above the printed circuit bo
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Date:
09/30/2020

New High-Speed Analog-to-Digital Converter Family
System designers have limited options for small, robust, feature-rich high-speed ADCs for extended-temperature operation. Microchip Technology Inc.  announced it has filled this gap with its MCP37Dx1-80 family, the company’s second pipelined ADC offering and first to combine 80 MSPS in a choice of 12-, 14
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Date:
09/30/2020
Extremely Compact Isolated Auxiliary Supply for SiC-MOSFET Gate Driver

Click image to enlarge

Figure 1: Topology of a SiC-MOSFET half-bridge with highlighted parasitic inductances

With the increasing spread of high-voltage power semiconductor components build with silicon carbide (SiC) technology, which operate at switching frequencies above 100 kHz, the requirements for their gate control are becoming more and more demanding. Besides the bipolar, positive and negative driving voltages fo
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Date:
09/30/2020
Shielded flat-wire coil
This coil is designed for high-efficiency DC/DC converters in automotive applications. The characteristic features of this flat-wire coil with its MnZn core are its high rated current (IR 38-47 A) and a high saturation performance. At an RDC value of 0.6 to 1.1 Ω, its resistance is lower than that of comparable c
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Date:
09/27/2020
Sensing and balancing IC for automotive battery management
The device is especially designed for batteries in hybrid and electric cars, but it is also suitable for other applications. It measures the voltage in up to twelve battery cells with an accuracy of ± 5.8 mV over the entire temperature and voltage range as well as the operating life cycle. Furthermore, it supports
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Date:
09/27/2020
Advanced H2S protection of IGBT modules enhances lifetime
Harsh environments with critical levels of H2S can be found especially in paper production, mining, wastewater and petrochemical processing as well as in the rubber industry.H2S is the most critical corrosive contaminant for power semiconductors. During operation, IGBT modules are usually heated up to high temperature l
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Date:
09/27/2020
CoolSiC 62 mm module opens up new SiC applications
The proven 62 mm device has been designed in half-bridge topology and is based on the trench chip technology. It opens up silicon carbide for applications in the medium power range starting at 250 kW – where silicon reaches the limits of power density with IGBT technology. Compared to a 62 mm IGBT module, the
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Date:
09/27/2020
Low Voltage Automotive Buck Converter with Programmable PFM/PWM
With a fully integrated 110mΩ high-side power MOSFET and 80mΩ low-side power MOSFET, it provides high-efficiency step-down DC-DC conversion from 5V and 3.3V input rails. The converter has been developed for use in automotive applications including infotainment systems, instrumentation clusters, telematics, a
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Date:
09/27/2020
New silicon carbide power module for electric vehicles
In the past ten years, Infineon has sold more than 50 million EasyPACK modules with different chipsets for a wide range of industrial and automotive applications. At the same time, the semiconductor manufacturer has successfully established its extensive portfolio of CoolSiC products in industrial applications.
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Date:
09/27/2020
Panel mounted voltage measurement with LEM DVC 1000 series
The DVC 1000 series offers panel mounted voltage measurement in a compact package, measuring only 29 x 51 x 89 mm, giving a total volume of only 131.6 cm3. Designed to measure a nominal voltage of 1000 VRMS, the DVC 1000 series uses an isolating amplifier, providing very high levels of isolation with a safet
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Date:
09/27/2020
High-Speed Op Amp Eliminates Oscillation from Load Capacitances
The device targets applications such as anomaly detection systems used in measurement and control equipment along with sensors that work with very small signals. The proliferation of IoT in recent years has led to a significant increase in the number of electronic components used for advanced control in a v
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Date:
09/27/2020
1U 1kW programmable DC power supplies
These new products further expand the TDK-Lambda GENESYS+ series, offering up to 1,000W output power in a choice of full or half-rack package sizes. The GENESYS+ series is ideally suited for bench-top or rack-mount equipment in a wide variety of OEM, industrial and laboratory applications. Ten models are avai
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Date:
09/27/2020
AEC-Q200-certified SMD ferrites with peak current load ratings
The respective peak-current capability of the ferrite beads is exactly specified. They are characterized by a high rated current of up to 10 A and extremely low resistances. WE-MPSA ferrite beads are available in the construction sizes 0805, 1206, 1612, 1812, 2220, and 3312 and can also in some cases be supplied
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Date:
09/27/2020
Motor System ICs for control of small electric motors in cars
These ICs are the world's first multiple half-bridge drivers for MOSFETs with integrated power supply and communication interfaces. "With our highly integrated Motor System ICs, system designers only need half the board space compared to existing solutions. At the same time, system designers maintain the c
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Date:
09/27/2020
New Ranges of Film Capacitors for Green Energy and Automotive
Constructed with an aluminum canister design, both the C44U-M and C44P-R power film series address the increasing demand for high-power conversion systems in green energy and industrial applications. These capacitors also support power conversion in en-ergy storage systems, IGBT and wide bandgap (WBG) semiconduct
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Date:
09/27/2020
Wireless Battery Management System for Electric Vehicles
The wBMS enables automotive manufacturers increased flexibility to scale their electric vehicle fleets into volume production across a wide range of vehicle classes. This is the first wireless battery management system available for production electric vehicles, and it will debut on General Motors’ production
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Date:
09/27/2020
The devices also have an optional tin-lead 10 x 14mm SiP BGA package for Mil COTS applications. These high-density and high-efficiency buck regulators have a 14 – 42V input voltage range and support nominal outputs of 3.3V and 5V, adjustable over ranges of 2.2 – 4V and 4 – 6.5V, respectively. The device
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Date:
09/27/2020
ROHM and LEADRIVE Establish Joint Laboratory
SiC power devices have been adopted increasingly in onboard vehicle chargers and DC/DC converters. These devices provide several advantages compared to silicon-based power devices such as IGBTs. One key benefit: significantly lower losses during both switching and conduction along with being able to operate at hi
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Date:
09/27/2020
Würth Elektronik extends its switch portfolio
The 8.7 x 3.0 x 2.0 mm WS-SLSU SPDT switch is a slide switch in horizontal design, which is attached to the outer edge of the PCB as a SMT mountable component. Würth Elektronik also offers WS-TASU (6.2 x 3.0 x 3.5 mm, actuating force 160 gf), a switch for edge connection. The new miniaturized buttons, which are suitable
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Date:
09/27/2020
SIGA Broadens Wound Components Capability
The move follows SIGA’s acquisition of the business and assets in February of Wolverhampton-based Stabilised Transformers Limited. Their current transformer capability includes open or enclosed types of dry transformers and inductors, and extends through double wound and auto wound components, toroidal wound
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Date:
09/27/2020
Würth Elektronik extends its WE-CBA product family
The SMDs are AEC-Q200 qualified as part of Würth Elektronik's automotive electronics portfolio. WE-CBA features high-quality Ni-Sn electrodes, a very high current carrying capacity up to 6 A, and operating temperatures from -55 to +125ºC. The ferrites, which are available in various specifications, are ideally
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Date:
09/27/2020
Power transformer maker relies on Yokogawa power analyzer
Founded in 1959, SEA supplies high-value assets which are expected to provide a return over decades. Quality, durability, safety and reliable performance are therefore key characteristics that customers are looking for when they specify a new transformer or reactor. Transformers play a crucial role in the transmission
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Date:
09/27/2020
InnoSwitch3 Flyback Switcher IC for Automotive Applications
The newly qualified device family targets automotive EV applications, such as traction inverter, OBC (on-board charger), EMS (energy management DC/DC bus converters) and BMS (battery management systems). The InnoSwitch3-AQ uses Power Integrations’ high-speed FluxLink™ coupling to achieve ±3% accuracy for
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Date:
09/27/2020
Small, low-power 3D magnetic sensor opens up new designs
With an 87 percent smaller footprint and 46 percent less height than previous comparable products, the sensor opens up new design options. Due to the small WLB-5 package (1.13 mm x 0.93 mm x 0.59 mm) and its low current consumption of 7 nA in power-down mode, the new magnetic sensor is also suitable for use
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Date:
09/27/2020
Upgrade to DesignSpark Mechanical 3D CAD modelling software
Version 5.0 offers new features, enhancements and customisation options that have been developed following feedback from users. The new release coincides with the 10-year anniversary of DesignSpark. Developed in conjunction with Ansys Inc., the leading provider of flexible and affordable 3D modelling software
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Date:
09/27/2020
Richardson Electronics Offers GA High-Energy Capacitors
Richardson Electronics, Ltd. announced today the availability of General Atomics Electromagnetic Systems' high-energy capacitors for pulse power. General Atomics' high-energy capacitors for pulse power are exceptionally reliable and capable of handling even the most demanding applications. Solutions are availab
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Date:
09/24/2020
EPC Increases Benchmark Performance Versus Silicon MOSFETs
EPC advances the performance capability while lowering the cost of off-the-shelf gallium nitride transistors with the introduction of EPC2218 and EPC2204 100 V eGaN FETs.  The applications for these leading-edge devices include synchronous rectification, class-D audio, infotainment systems, DC-DC converters (h
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Date:
09/24/2020
Silicon power transistors with wide bandgap-like performance
The claim is made by developer Search For The Next (SFN). The first devices to use Bizen are members of the QJT (Quantum Junction Transistor) family which will include three parts rated at 1200V/75A, 900V/75A and 650V/32A, available in the industry-standard TO247 or TO263 power MOSFET packages. Of extreme signif
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Date:
09/22/2020
Wet Tantalum Capacitor w/ Ratings in the B and C Case Codes
To meet the needs of military and avionics applications, Vishay Intertechnology, Inc. announced that it has extended its EP1 wet tantalum capacitor with new ratings in the B and C case codes. Offering the industry's highest capacitance per Voltage rating and case size for this device type, the capacitor is
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Date:
09/21/2020
TT Electronics to Acquire Torotel, Expanding in US Mil/Aero
TT Electronics announces it has agreed to acquire Torotel, a US-based designer and manufacturer of high-reliability power and electromagnetic assemblies and components for the aerospace and defense markets. The acquisition is one of several, recent demonstrations of TT’s commitment to continued investment in
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Date:
09/17/2020
 TE Connectivity Backshells, Adapters and Band Straps at TTI
TTI, Inc., is now stocking TE Connectivity (Polamco) Backshells, Adapters and Band Straps. The AS85049 industry standard is used on most military circular connectors, including M38999. TE Connectivity (TE) offers a wide selection of sizes, materials and platings to meet your application needs. The band stra
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Date:
09/15/2020
PSDcast – Reliable Batteries for the Navy

George Cintra, Chief Technology Officer at EaglePicher

The Navy is working on a number of high-power projects, including directed-energy weapons. And for those systems to function properly, they need robust batteries and efficient use of power and intermittent power ...
Date:
09/14/2020
Low-cost DC-DC converter ranges
They all focus on a simple and effective design approach which is unique to those Traco Power Products. By innovative engineering we have come up with an electrical design which minimizes component and labor costs. Key focus of those designs was to maximize the amount of automatization of the manufacturing process.
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Date:
09/07/2020
What are the advantages of SiC-based designs and how can you implement them?

Click image to enlarge

Figure 1 Technology positioning – Si, SiC and GaN

The global trends - such as digitalization and energy efficiency - that have emerged and accelerated in the past few years pose new challenges to the manufacturers as well as the semiconductor market. Developing power semiconductor devices that contribute to highly efficient power management systems is on the ag
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Date:
09/03/2020
Energy-Efficient Design for mmWave-enabled NOMA-UAV Networks

Illustration of the mmWave-enabled NOMA-UAV network.

Non-orthogonal multiple access (NOMA) and millimeter-wave (mmWave) are two crucial techniques of 5G to meet the explosive capacity demands. On the other hand, UAVs deployed as aerial base stations are potential to provide ubiquitous coverage and satisfy users' multifarious requirements due to their flexibility and
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Date:
09/02/2020
The First ESCC QPL Approved Polymer Electrolytic Capacitors
AVX Corporation is the first manufacturer qualified to supply polymer electrolytic multianode capacitors for use in European Space Agency (ESA) programs. The company’s well-proven TCS Series COTS-Plus Solid Polymer Electrolytic Multianode Chip Capacitors, which are manufactured at the ESA-qualified AVX Czech Re
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Date:
09/01/2020