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Automotive

September 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

High-Speed CMOS DDR4 SDRAMs Feature New 8Gb Devices
To meet the increasing demand for higher-density CMOS DDR4 SDRAMs, Alliance Memory announced that it has expanded its portfolio with two new 8Gb devices. Delivering improved performance over previous-generation DDR3 SDRAMs, the AS4C1G8D4 and AS4C512M16D4 offer lower power consumption and faster data transfer ra
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Date:
09/30/2020
Extremely Compact Isolated Auxiliary Supply for SiC-MOSFET Gate Driver

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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
Space-Saving Film Capacitor for Automotive Applications
KEMET announces its new R52 series of compact polypropylene film X2 EMI (electromagnetic interference) suppression capacitors. This series fulfills the growing need of automotive, industrial, consumer, and energy applications that require a smaller, high-capacitance X2 class solution for suppressing EMI. While th
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Date:
09/29/2020
Force Sensing Provides Flexibility and Reliability

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Figure 1. Early generation smartphones featured a force-sensing home button

Force sensing can be employed so that a false positive can be avoided, as well as expanding on input possibilities, such as coupling this with menu selections.  The most common use of force sensing can be found on previous generations of smartphones that required touch to wake-up and perform other functions.  Sm
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Date:
09/28/2020
Why the IoT Needs Quickchargers
Fiddling around with my iPhone and a fast charger one weekend gave me a serious case of range anxiety. Bear with me – at its core, the Internet of Things is a global network of gadgets, vehicles, appliances, and anything else with an internet connection (which is to say, everything). It’s the logical evolut
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Date:
09/28/2020
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
Vicor Joins Global Semiconductor Alliance
Vicor’s GSA membership reflects its leadership in powering processors with Power-on-Package technology, which enables unparalleled current density and efficient current delivery for advanced applications in AI accelerator cards, AI high-density clusters, HPC and high-speed networking. In addition, Vicor’
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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
LinkSwitch-TN2 High-Voltage Switcher ICs for Automotive Use
Featuring an integrated 750 V MOSFET, the new automotive-qualified LinkSwitch-TN2 IC provides simple and reliable power for EV sub-systems connected to the high-voltage bus, including HVAC, climate control, battery management, battery heater, DC-DC converter and on-board charger systems. The surface-mount devi
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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
Soft saturation behaviour, but very tough
The WE-HCIT inductors are robust THT inductors particularly suited for use in vibration-sensitive applications. They are characterized by a high current capability of up to 28 A and a very low RDC (0.44 – 0.88 Ω. WE-HCIT components have a very soft saturation behavior. The areas of application for the W
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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
Powerful 400 kW DC charger: CoolSiC for ultra-fast pit stops
Rated at 400 kW, the converter INGEREV RAPID ST400 from Ingeteam is based on CoolSiC MOSFETs in an EasyDUAL 2B housing. A single charging point implements eight of Infineon’s FF6MR12W2M1_B11 modules. Depending on the charging capabilities of the respective car, an EV now only needs to stop for a minimum of 10
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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
Integrated LIN Interface Sensor Signal Conditioner
      The single-package sensor signal conditioner (SSC) delivers best-in-class performance, increased design flexibility, and cost efficiency in a compact form factor for HVAC applications used in plug-in hybrid electric vehicle (PHEV), Battery Electric Vehicle (BEV), and Fuel-cell Ele
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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
Schaffner White Paper on EV Charging
The whitepaper provides guidance on the following key topics: •         Which safety requirements must be met in EV charging. •         Which EMC limit values are set for EV charging stations. •     
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Date:
09/27/2020
The AP6435xQ combines a low quiescent current with a wide input voltage range of 3.8V to 40V. The devices have been developed for use in automotive applications including infotainment systems, instrument clusters, telematics, advanced driver assistance systems (ADAS), and forward lighting. With a fully integrate
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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
Dev Kit Combines Wireless Power and Data Transmission
Although it was already possible to transfer data from the receiver device to the charging station, bidirectional data transfer can now be combined with the charging process. During wireless power transmission, the device and charging station exchange data through amplitude and frequency modulation. Würth Elekt
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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
SMD Power Inductors Handle High Temp and Current
Sumida continues the expansion of its AEC-Q200 qualified SMD inductors with the introduction of the CDEP13D**/T150 line. Consisting of ten standard types and ten high-power types, the new devices offer a combination of four key benefits, when compared to many other inductors. These are high temperature, high cur
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Date:
09/25/2020
Maxim Integrated Enables Dynamic Gesture Sensing for Autos
Designers of automotive systems can now add dynamic hand-gesture controls with greater ease at the industry’s lowest cost and smallest size with the MAX25205 data acquisition system from Maxim Integrated Products, Inc.. Featuring integrated optics and a 6x10 infrared (IR) sensor array, the MAX25205 detects sw
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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
AVX/Ethertronics' High-Efficiency Patch Antenna Portfolio
AVX Corporation announced its extensive portfolio of high-performance, high-efficiency patch antennas optimized to satisfy demanding connectivity and miniaturization requirements in wireless applications throughout the automotive, industrial, networking, medical, consumer electronics, energy, and transportation in
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Date:
09/14/2020
300W Li-ion Battery Charger Meets IP67 Standards
Calex Manufacturing Company, Inc. announces the addition of the 300 Watt CEV Series charger for li-ion batteries.  The ruggedized packaging and thermal design make the AC-DC charger one of the most resilient on the market. The series can be used as either an external charging source or installed on board a
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Date:
09/10/2020
DC-Link Film Capacitors Deliver Stable Capacitance and ESR
Vishay Intertechnology, Inc. introduced a new series of Automotive Grade DC-Link metallized polypropylene film capacitors optimized for high humidity environments. The Vishay Roederstein MKP1848H DC-Link is Vishay's first series of AEC-Q200 qualified DC-Link film capacitors to withstand temperature humidity bia
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Date:
09/09/2020
Murata's Metal Terminal Type MLCCs w/ High-Voltage Tolerance
Murata Electronics announced the availability of two new metal terminal type multilayer ceramic capacitor (MLCC) series with temperature compensating U2J characteristics. The KCM line for automotive applications delivers low loss and excellent stability performance in high temperature, high voltages, an
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Date:
09/09/2020
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?

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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
Hydrogen Vehicles Might Soon Become the Global Norm
Roughly one billion cars and trucks zoom about the world's roadways. Only a few run on hydrogen. This could change after a breakthrough achieved by researchers at the University of Copenhagen. The breakthrough? A new catalyst that can be used to produce cheaper and far more sustainable hydrogen powered vehicles. Hydrogen vehicles a
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Date:
09/02/2020
C&K Develops Sealed Subminiature Snap-acting Switch
C&K has launched a silent, sealed, subminiature, snap-acting switch series that offers precise actuation in automotive applications. The compact ZMW Series snap-acting switch combines a long stroke with more than 2mm of over travel for reliable actuation. The ZMW Series is used in rugged environments includin
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Date:
09/02/2020
Dialog Semiconductor's New High-Current DC-DC Converters
Dialog Semiconductor plc announces the DA913X-A product family, a new line of highly efficient, high-current, automotive-grade, step-down DC-DC (Buck) converters. The highly integrated DA913X-A devices require fewer external components than competing solutions, enabling a low system BoM cost and a reduced s
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Date:
09/01/2020