Automotive & Transportation

April 2021
600V IGBT IPMs Deliver Class-Leading Low Noise with Low Loss
ROHM Semiconductor announced that it has developed four new 600V IGBT Intelligent Power Modules (IPMs) as part of its BM6437x series that deliver best-in-class low noise characteristics, together with low loss, making them ideal for power conversion in inverters. The devices are used in compact industrial equipment, su
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Date:
04/30/2021
CISSOID expands its SiC Intelligent Power Modules Platform
The new modules are intended for use in e-mobility tailored for lower switching losses or for higher power. The company is also introducing a module based on a lightweight AlSiC flat baseplate that meets the demand for natural convection or forced cooling in aerospace and in dedicated industrial applications
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Date:
04/27/2021
Würth Elektronik publishes Web Application Guide
The easy-to-use tool offers the most common switching regulator and interface topologies - for example buck converters, CAN or Ethernet interfaces - and an overview of which components are required for them. From here, there is a direct link to ordering free component samples. With the help of clear and delibera
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Date:
04/27/2021
650 V GaN FETs enable 80 PLUS Titanium-class power supplies
The new family offers significant performance advantages over previous technologies and competitive devices. With RDS(on) performance down to 35 mΩ (typical), the new power GaN FETs target single phase AC/DC and DC/DC industrial switched mode power supplies (SMPS), ranging from 2 kW to 10 kW, especially server and
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Date:
04/27/2021
RS Components extends global franchise agreement with STMicroelectronics
This new phase in the relationship between the two companies will result in a substantial increase in the breadth and volume of ST products stocked by RS. ST will also feature regularly on the award-winning DesignSpark online engineering hub. “RS has been very successful in building up a vibrant internatio
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Date:
04/27/2021
Mouser Electronics Adds 31 New Manufacturers in Q1
Mouser continues to focus on the breadth of its product offering, with new manufacturers in product categories such as embedded, connectors, optoelectronics, semiconductors, and hardware. Among the new manufacturers, over half are in the embedded space, as Mouser continues to expand its Internet of Things (IoT)
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Date:
04/27/2021
White Chip LEDs with High Luminous Intensity in a 1608 Size
The products are optimized for applications requiring high brightness white light emission, such as IoT devices, drones, and other battery equipped applications. In recent years, high luminous intensity (2.0cd) white LEDs are being increasingly adopted to improve visibility in a range of applications in the con
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Date:
04/27/2021
Multi-Directional Spring Contacts
These new surface mount components are capable of supporting both horizontal and vertical connection orientations, but come in smaller size formats than were previously available. The S1961-46R has a 3.55mm height, while the S1971-46R has a height of 4.55mm. Although there are a multitude of vertical-only spri
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Date:
04/27/2021
AEC-Q200-compliant inductors with broadband impedance
These are the world’s smallest inductors with broadband impedance for in-vehicle power-over-coax (PoC) circuit of SerDes-based interfacing. The LQW21FT_0H series is compliant to AEC-Q200 and delivers a combination of both broadband impedance and high-current performance. Thanks to state of the art technologies for both
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Date:
04/27/2021
Flexible gate driver families now with reinforced isolation
Both families now offer variants with superior reinforced isolation for higher application safety and long operating life. The new family members are VDE 0884-11 certified. With 8 mm wide-body packages, both families are suitable for applications with demanding isolation requirements including industrial drives, solar
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Date:
04/27/2021
RS Components extends its range of RS PRO sensors
RS Components has announced the expansion of its popular RS PRO sensors range to give customers a comprehensive choice of sensors for use in factory automation applications. The range consists of high-quality sensors and accessories that deliver excellent reliability and great value. Ultrasonic proximity senso
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Date:
04/27/2021
Single-Chip Solution for Automotive Ultrawide Touch Displays
The device supports both liquid-crystal display (LCD) and organic light emitting diode (OLED) display technologies. The MXT2912TD-UW reduces the need for multiple touch controllers within a vehicle’s human machine interface (HMI) display. This single-chip touch controller provides the highest report rate for w
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Date:
04/27/2021
ESD protection devices for automotive interfaces
The devices are especially targetted at the in-vehicle networks (IVN) associated with infotainment and vehicle communications. As data rates increase and vehicles feature more electric content, the need for EMC protection becomes more critical and providing the correct type of protection is a challenge for desig
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Date:
04/27/2021
Pre-Switch publishes highest efficiency figures for 200kW inverter
The inverter used only three discrete, low cost 35 mΩ SiC MOSFETs per switch location. This is expected to revolutionize EV and renewable energy designs. Comments Bruce Renouard, Pre-Switch CEO: “We are shipping the CleanWave200 evaluation systems to initial customers around the world, and the efficienc
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Date:
04/27/2021
Bulgin Updates Data Connectivity Product Offering
This ensures that they remain aligned with the latest standards and protocols. This means that customers have access to industry-leading solutions that support elevated data transfer rates and deliver superior levels of signal integrity. Bulgin’s data connectivity suite includes the following key products:
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Date:
04/27/2021
Regenerative Power Supplies and Loads for Battery Recycling
E-mobility is booming. But with increasing operating time, the lithium-ion batteries used become less effective and need to be replaced in the vehicle. The old batteries then begin a second life or are finally recycled and completely discharged. EA offers a wide ranging product line for initial battery production, rech
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Date:
04/27/2021
AEC-Q103 qualified high-performance XENSIV MEMS microphone
This new device combines the Company’s expertise in the automotive industry with its technical leadership in high-end MEMS microphones to address the need for high performance, low-noise MEMS microphones for automotive applications. The XENSIV IM67D130A is the first microphone in the market to be qualified f
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Date:
04/27/2021
Power Delivery Software Enables USB System Differentiation
By merging their proprietary code with Microchip’s fully functionable PD stack, designers have the ultimate flexibility for creating differentiated product offerings while choosing from a wide variety of Microchip SmartHubs, microcontrollers (MCUs) and standalone PD solutions for their USB systems. Microchi
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Date:
04/27/2021
Mascot further extends Blueline power supply line-up
The 3920 is medically certified in accordance with EN 60601-1 edition 3.1 (safety) and EN 60601-1-2 edition 4 (EMC) and has been designed to meet global power conversion requirements. Working with universal AC line voltages from 90V to 264V, the high-efficiency 3920 offers continuous output power up to 180W
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Date:
04/27/2021
DC-DC buck converters deliver 750W in a small footprint
The output voltage of these 24V nominal input step-down converters can be adjusted from 3.3V to 18V with a maximum current of 45A. The i7A models can be used to derive additional high-power outputs from a 24Vdc power supply, at a lower cost and higher efficiency than isolated DC-DC converters. These very
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Date:
04/27/2021
Fast Bi-Directional Dual Supply Autosensing Level Shifter IC
This advanced level shifting technology, featuring high degrees of flexibility, is proving vital to modern automobile design. It addresses the challenge of lower voltage microprocessors and microcontrollers incorporated into automotive systems, which are required to drive external devices operating at different
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Date:
04/27/2021
Digital DC/DC converter delivers 1300 W in half-brick package
With telecoms infrastructure shifting to 5G, the RFPA is becoming increasingly power-hungry, and RF Power Amplifier designers are moving from LDMOS to Gallium Nitride (GaN) Transistors. Overall, there’s a demand for highly efficient DC/DC converters, that can deliver the power required in a compact package. The BMR6
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Date:
04/27/2021
Updates on IQD’s IQRB-3 rubidium oscillator available
Following the recent releases of new products in this portfolio, the ICPT-1 and the IQRB-4, and an extensive update on the IQRB-1, IQD is now able to share new data on the IQRB-3. The IQRB-3 can be synchronised to a 1 PPS signal as well as used as a 1 PPS source. Additionally, it offers superb phase noise perfo
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Date:
04/27/2021
16-Channel, Mixed-Signal Front-End Digitizer
These applications include phased array radars, electronic warfare, and ground-based SATCOM (satellite communications). The new digitizer includes four AD9081 or four AD9082 software-defined, direct RF sampling transceivers. It is designed to accelerate customer development by providing reference RF signal cha
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Date:
04/27/2021
R-TOOLS MAXX, the Next Generation Heat Sink Calculator
R-TOOLS MAXX is a no charge, on-line simulation software that allows users to model the optimum air-cooled heat sink solution tailored to their project requirements. It is completely interactive and available online 24/7. Users can enter the boundary conditions, heat source details, and choice of flow boundaries f
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Date:
04/27/2021
Compact, conduction cooled 75W AC-DC power supply module
The new supplies require no external circuitry for operation or EMC compliance. Models in the new ASB75 series offer compact, fanless power with baseplate cooling for applications such as information technology equipment (ITE), Internet of things (IoT), general industrial and harsh or rugged applications. The comple
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Date:
04/27/2021
Pre-Switch Shows Highest Efficiency Figures for 200kW Inverter
Pre-Switch, Inc., has published performance data that shows that its 200kW (space vector modulated) CleanWave200 evaluation inverter exceeds 99.3% at 100kHz using only three discrete, low cost 35 mΩ SiC MOSFETs per switch location.  This is expected to revolutionize EV and renewable energy designs. The Pre-Switc
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Date:
04/24/2021
 Molex L1NK Connector System in Stock at TTI
TTI, Inc., announces the availability of the full range of L1NK Connectors from stock at TTI. Molex offers the L1NK Connector system in 2.50mm, 3.00mm and 3.96mm contact spacing and up to 11.0A of current in a package that offers superior design options for flexibility and efficient assembly. With features
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Date:
04/24/2021
Floating BtB Connector from Hirose for Automotive Powertrains
Hirose has developed a narrow pitch board-to-board connector ideally suited for internal connection of automotive powertrains including motor controllers. Combining shock and vibration resistance with high heat resistance up to 140, the FX26 Series connector delivers high reliability in harsh environment applicati
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Date:
04/23/2021
AEC-Q200-Compliant Inductors for In-Vehicle PoC Systems
Murata continues to support ongoing engineering progression within the automotive sector with the introduction of the LQW21FT_0H series. These are the world’s smallest inductors with broadband impedance for in-vehicle power-over-coax (PoC) circuit of SerDes-based interfacing. The LQW21FT_0H series is compliant to
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Date:
04/22/2021
Next-Gen RISC-V Solutions for Automotive Applications
Renesas Electronics Corporation andSiFive, Inc., announced a strategic partnership to jointly develop next-generation, high-end RISC-V solutions for automotive applications. The partnership will also include SiFive licensing the use of their RISC-V core IP portfolio to Renesas.  Renesas provides automotiv
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Date:
04/21/2021
TDK Extends its Range of Compact SMT High-Current Chokes
TDK Corporation has extended its range of EPCOS ERU-SMT power inductors with the new ERU19, ERU24 and ERU27 (B82559*) series. Each product line is comprised of up to 10 types, covering inductance values from 1.0 µH to 30 µH. Overall, a range of saturation currents at 25 °C from 11.5 A DC to 101.5 A DC is co
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Date:
04/21/2021
Schottky Rectifiers Feature Wettable-Flank Packaging
Taiwan Semiconductor announces the availability of the TSUP Series of AEC-101-qualified trench Schottky rectifiers. These 5A/10A/15A-rated rectifiers are offered with peak repetitive reverse voltage ratings (VRRM) of 60V or 45V with 1.0ms peak forward surge current (IFSM) of nearly 300A. The SMPC4.6U-package offe
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Date:
04/21/2021
First Automotive Single-Chip Solution for Touch Displays
To better meet the need for safe, intuitive and easy-to-use user interfaces within automotive vehicles, designers are continuing to consolidate the vehicle’s cluster, center stack and co-driver displays into very wide screens. Streamlining and simplifying system development for these ultrawide screens often se
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Date:
04/20/2021
High-Speed Bi-Directional IC for Automotive Applications
Diodes Incorporated has expanded its family of voltage-level shifters, with the release of the PI4ULS3V304AQ. This advanced level shifting technology, featuring high degrees of flexibility, is proving vital to modern automobile design. It addresses the challenge of lower voltage microprocessors and microcontrollers in
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Date:
04/14/2021
HiperPFS-4 PFC IC Delivers 98% Full-Load Efficiency
This combination delivers greater than 98% full-load efficiency in PC, TV, and similar applications between 75 W and 400 W.   Comments Power Integrations’ product marketing manager Edward Ong: “Designs using HiperPFS-4 ICs show very high efficiency across the load range with as little as 36 mW of no-load p
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Date:
04/13/2021
1.5 Amp POL switching regulators in an open frame design
This series comes in a compact SIP-3 open frame package and complements our existing POL portfolio with a series focusing strongly on a cost efficient design while maintaining our quality standards. There are 3 output voltages available: 3.3, 5.0 and 12VDC. The effective design allows full load operation up to +85°C a
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Date:
04/13/2021
Structural Adhesive Offers Temperature Stability
DELO has launched an adhesive with exceptionally high temperature stability. DELO MONOPOX HT2999 achieves compression shear strength of 20 MPa at 180°C. This is four times greater than its predecessor and other products on the market. Developed primarily for use in the automotive industry and mechanical engineering
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Date:
04/13/2021
Infineon Expands 600 V CoolMOS S7 Family
In applications where MOSFETs are switched at low frequency, high-power product designs must meet several key characteristics: They have to minimize conduction losses, provide optimal thermal behavior, and enable more compact and lighter systems – all while maintaining the highest quality at a low cost. To me
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Date:
04/09/2021
First DC/DC Controllers w/ Integrated Active EMI Filter
Texas Instruments introduced a new family of synchronous DC/DC buck controllers that enable engineers to shrink the size of the power-supply solution and lower its electromagnetic interference (EMI). Featuring an integrated active EMI filter (AEF) and dual-random spread-spectrum (DRSS) technology, the LM25149-Q1 and
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Date:
04/08/2021
P-Channel MOSFET Increases Efficiency and Power Density
Vishay Intertechnology, Inc. introduced the world's best AEC-Q101 qualified p-channel -80 V TrenchFET MOSFET. With the lowest on-resistance of any -80 V p-channel device, the new Vishay Siliconix SQJA81EP increases power density and efficiency in automotive applications. In the compact 5.13 mm by 6.15 mm PowerPAK SO-
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Date:
04/07/2021
Embedded Vision-Optimized FPGA for Automotive Applications
Lattice Semiconductor Corporation expanded its award-winning Lattice Crosslink-NX family with new FPGAs specified for automotive applications such as advanced driver assistance systems (ADAS) and in-vehicle infotainment (IVI) systems. The new CrossLink-NX FPGAs bring best-in-class low power, small form factor, hi
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Date:
04/05/2021
AVX Expands Automotive Conductive Polymer Capacitor Series
AVX Corporation has both expanded and improved upon its AEC-Q200-qualified TCQ Series Automotive Conductive Polymer Chip Capacitors, which have been field-proven in a wide range of demanding automotive, industrial, and telecommunications applications with limited board space and challenging operating environments si
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Date:
04/05/2021
1000 V Output, No-Opto, Isolated Flyback Converter

Click image to enlarge

Figure 1. A complete 1000 V/15 mA isolated flyback converter from a 4 V to 28 V input

Isolated flyback converters are used in automotive, industrial, medical, and telecom applications where the power supply must be reliable, easy to use, high voltage, and isolated, and they must provide excellentregulation over load, line, and temperature. LT8304-1 is an isolated, no-opto flyback converter optimized fo
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Date:
04/01/2021
APEC 2021 Will Be Online-Only Event Due to Covid-19 Concerns
The Applied Power Electronics Conference announces that APEC 2021 will be presented as a virtual event and will take place June 14-17, 2021, on the virtual event platform, Social27. The virtual format will not only ensure the safety of our community, it will also allow: · More of our global community of power
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Date:
04/01/2021
Taking Advantage of PFM with MicroModules for Space Constrained Applications

Figure 1: Block diagram of a security camera application

Space constrained applications like portable devices require especially designed DC/DC converters with a certain set of characteristics. Tight space, by definition, requires tiny DC/DC converters which have excellent thermal performance. This article digs deeper into the challenges that arise for the power supply of s
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Date:
04/01/2021
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