Automotive & Transportation

April 2015

Serving high power & high reliability applications

M.Weaver, J. Petrzilek, and M. Biler, AVX

Tantalum surface mount capacitors with a solid electrolyte have been the favorite capacitor technology choice in many electronic devices for more than five decades, thanks to their stability, high reliability, and superior volumetric efficiency. The traditional manganese dioxide (MnO2) cathode material provides go

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Date:

04/30/2015

FPGAs rev-up motor control

Jason Chiang and Ted Marena, Microsemi

Electric motors collectively consume a substantial portion of global electricity. According to the research firm IHS Technology, 96% of a motor’s lifetime costs are represented by pure electricity costs. Regulators have imposed more stringent energy standards for them, and manufacturers are scrutinizing th

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Date:

04/30/2015

Implementing a high-performance power-conditioning solution

Zhen Yu & Shamim Choudhury, Texas Instruments

The use of power diodes and Thyristors in applications such as small and large appliances, such as UPS systems, AC/DC rectifiers, and variable speed motor drives is the primary source of harmonic distortion in AC grid or mains current. Due to the source impedance of the mains power, the harmonic load current cau

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Date:

04/30/2015

Improved motion control increases production

Marcelo Lara and Katsuhiko Fukuma, TMEIC

Like many steel mills throughout the world, a recent TMEIC customer in Tuscaloosa was searching for a solution to increase production at its facility. An aging steel rolling Steckel mill, powered by large DC motors and controlled by variable speed DC drives was limiting the full production potential of the mill. Fi

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Date:

04/30/2015

GaN FET apps are growing rapidly

Alex Lidow, Efficient Power Conversion

GaN FET apps are growing rapidly

Alex Lidow, Efficient Power Conversion

Enhancement-mode gallium nitride transistors have been commercially available for over five years. Commercially available gallium nitride (GaN) FETs are designed to be both higher performance and lower cost than state-of-the-art silicon-based power MOSFETs. This achievement marks the first time in 60

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Date:

04/29/2015

Replacing electrolytics with MLCCs in power applications

Jun Nakajima, TAIYO YUDEN

Advances in multilayer ceramic capacitor (MLCC) technology now offer designers a high-capacitance alternative to traditional electrolytic capacitors. New high-value MLCCs provide the advantages of lower equivalent series resistance (ESR) and inductance (ESL) than electrolytics, and demonstrated mean time to fa

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Date:

04/29/2015

Optimizing power by phase positioning

Dr. Zaki Moussaoui, Exar

The technique of paralleling power converters and phase shifting their outputs is not new, and “interleaving” (as it is known) has been used in a number of applications to reduce the size of input and output capacitors. These include the 42V/14V DC-DC converters found in dual-voltage vehicle electrical systems and

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Date:

04/29/2015

Keysight adds capabilities to their fastest power supplies

The Keysight 1kW (1U) and 2kW (2U) N6900 Series Advanced Power System models adds performance options to boost test-system versatility

Keysight adds capabilities to their fastest power supplies

Keysight Technologies introduced four performance options for its small, flexible and market-leading-fast Advanced Power System (APS) N6900 Series DC power supplies. In conjunction with the power supply’s VersaPower architecture, the new options boost test-system versatility and make it easy for test engineers to

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Date:

04/24/2015

Project MotorBrain claims first highly-integrated rare earth-free synchronous motor

Researchers have successfully realized a fully-integrated electric vehicle drivetrain without the need for costly rare earths in the permanent magnet synchronous motor

Project MotorBrain claims first highly-integrated rare earth-free synchronous motor

Researchers from one of Europe’s largest e-mobility projects have successfully realized a fully-integrated electric vehicle drivetrain without the need for costly rare earths in the permanent magnet synchronous motor. A prototype will be presented to the international coil winding and electrical manufacturing co

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Date:

04/24/2015

UltraSoC offers “debug over USB” capability for complex SoCs

UltraSoC, a pioneering provider of advanced debugging and analytic technology for embedded systems, announced the availability of USB-based debugging capabilities within its flagship UltraDebug product. This novel technology allows a single high-speed chip interface – in this case USB 2.0 – to be used simultaneously fo

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Date:

04/21/2015

Analog Devices to highlight motor and power solutions at PCIM 2015

Analog Devices will demonstrate at PCIM 2015 a broad portfolio of innovative solutions that help engineers design safe, productive and energy efficient motor and power control systems. ADI will be in Hall 6 at Booth #317. “From leading isolation technology that safeguards reliable operation, and h

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Date:

04/20/2015

Micrel's latest RF receivers tout sensitivity and power consumption

Micrel, a leader in high-performance embedded solutions, introduced the MICRF229 and the MICRF230, low-power, 400MHz to 450MHz, super-heterodyne, image reject, OOK/ASK receivers. Both devices feature -112dBm sensitivity at a data rate of 1kbps and operate from 3.5V to 5.5V. They consume less than 6mA of current whe

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Date:

04/20/2015

Audi taps Microchip’s MOST150 Tech for Audi TT virtual cockpit

AUDI AG is networking the Audi virtual cockpit system in its new TT Models using MOST technology

Audi taps Microchip’s MOST150 Tech for Audi TT virtual cockpit

Microchip Technology, a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, announced that AUDI AG is networking the Audi virtual cockpit system in its new TT Models using MOST technology. Specifically, it is deploying Microchip’s OS81118 MOST150 Intelligent Network Interface Co

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Date:

04/20/2015

Vishay's SMPD FRED Pt rectifiers increase power density and efficiency

Vishay's FRED Pt rectifiers

Vishay's SMPD FRED Pt rectifiers increase power density and efficiency

Vishay Intertechnology introduced 16 new 10 A to 30 A FRED Pt Hyperfast and Ultrafast recovery rectifiers in the low-profile SMPD (TO-263AC) package. Combining extremely fast and soft recovery characteristics with low leakage current and low forward voltage drop, the Vishay Semiconductors rectifiers reduce switching lo

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Date:

04/16/2015

Linear's 60V dual-output synchronous step-cown controller with adjustable gate drive draws 29µA in standby

Linear Technology announced the LTC3892, a high-voltage dual-output synchronous step-down DC/DC controller that draws only 29µA when one output is active and 34µA when both outputs are enabled. The 4.5V to 60V input supply range is designed to protect against high voltage transients, ensuring continuous operation dur

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Date:

04/15/2015

IEEE Power Electronics Society issues call for papers for SPEC /COBEP

The IEEE Power Electronics Society (PELS) announces a Call for Papers for the COBEP/SPEC conference to be held 29 November to 2 December 2015 at the Hotel Praia Centro, Fortaleza, Brazil. The 1st SPEC will be held from November 29th to December 2nd, 2015, along with the 13th Brazilian Power Electronics Conference –

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Date:

04/15/2015

Thermal interface materials market set to grow to $3.7bn by 2025

Market forecasts for thermal interface materials 2015-2025 - see the report for a full breakdown by applications and type

Thermal interface materials market set to grow to $3.7bn by 2025

Recent research conducted by analysts IDTechEx finds that the thermal interface materials (TIM) market - including tapes, adhesives, greases, gels, pastes, elastomeric pads, phase change materials, graphite, solders, compressible materials and liquid metals - will grow from $1.7 billion in 2015 to $3.7 billion in

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Date:

04/15/2015

Allegro's A1369 Hall-effect current sensor IC touts integration ease

The A1369 from Allegro MicroSystems

Allegro's A1369 Hall-effect current sensor IC touts integration ease

The A1369 from Allegro MicroSystems is a customer-programmable, high-accuracy linear Hall-effect-based current sensor IC packaged in a slimline 3-pin single-inline package which allows for easy integration with a magnetic core to create a highly accurate current sensing module. The A1369 is designed for use w

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Date:

04/14/2015

EPC launches EPC2029 wide-pitch eGaN FET

The EPC2029 80 V, 31 A eGaN FET features a 1 mm ball pitch

EPC launches EPC2029 wide-pitch eGaN FET

Efficient Power Conversion (EPC) announced the introduction of an eGaN FET designed with a wider pitch connection layout. The first in a new family of “Relaxed Pitch” devices, the EPC2029 80 V, 31 A eGaN FET features a 1 mm ball pitch. The wider pitch allows for placement of additional and larger vias under th

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Date:

04/14/2015

TI shows their new buck-boost controller IC (PSDtv)

In this episode of PSDtv Texas Instruments shows their new buck-boost controller IC to Power Systems Design at APEC 2015. The LM5175 manages input voltages from 3.5 V to 42 V and regulates output voltages from 0.8 V to 55 V. This flexibility enables the controller to deliver high-performance designs for in

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Date:

04/03/2015

Fairchild's auto-qualified SuperFET II MOSFETs & HV rectifiers empower electric vehicle design

Fairchild, a leading global supplier of high-performance power semiconductor solutions, is addressing the advanced needs of automakers and their parts suppliers with new automotive qualified SuperFET II MOSFET and High Voltage Rectifier product families, both of which enable cleaner and smarter vehicles overall an

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Date:

04/01/2015

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