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Power Semiconductors

September 2021
750V SiC FETs - Price, Performance or the Best of Both Worlds
750V SiC FETs - Price, Performance or the Best of Both Worlds
According to UnitedSiC, that RDS(on) value of 6mohms is less than half the nearest SiC MOSFET competitor. The new device also provides a robust short-circuit withstand time rating of 5μs. The 9 new device/package options in the 750V SiC FET series include rated at 6, 9, 11, 23, 33, and 44mohms. All devices are avail
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Date:
09/30/2021
1kW Power Supplies w/ Active-PFC for Industrial Applications
1kW Power Supplies w/ Active-PFC for Industrial Applications
ABSOPULSE Electronics introduces the PFHI 1K-FXW series of high input voltage, wide input range switched-mode power supplies with active power factor correction (PFC) designed for 1kW industrial applications. The power supplies operate over 180V to 480V AC-input range, 400Vac nominal input or custom. 
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Date:
09/28/2021
ROHM’s New EMARMOUR Op Amp Series
ROHM’s New EMARMOUR Op Amp Series
The devices feature an improved EMI immunity for automotive and industrial equipment applications requiring high-speed sensing in harsh environments, such as vehicle engine control units and anomaly detection systems for factory automation equipment.   In recent years, advancements in electrification and mounting d
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Date:
09/23/2021
Downscaling Transistors Could Advance Semiconductor Design

Purdue University engineer Tillmann Kubis has created CasFET, or cascade field effect transistor, technology. The key aspect is the superlattice perpendicular to the transistor’s transport direction, which allows for switchable cascade states.

Downscaling Transistors Could Advance Semiconductor Design
An innovation by Purdue University researchers could help the semiconductor industry design transistors that are smaller, use less power and switch from on to off at smaller applied voltages. As a result, the innovation could lead to better and more powerful central processing unit generations, which can compute mo
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Date:
09/17/2021
Versatile DDP/MDP1200 Series 1.2kW, Multi-purpose AC-DC PSU
Versatile DDP/MDP1200 Series 1.2kW, Multi-purpose AC-DC PSU
Their clever design purposefully integrates high performance, versatility, interoperability and regulatory compliance to fulfil evermore demanding worldwide applications.   The built-in Digital Signal Processor (DSP) supports the PMBus open standard power management protocol, which enables diagnosti
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Date:
09/16/2021
Infineon and Panasonic accelerate GaN technology development
Infineon and Panasonic accelerate GaN technology development
Gen2 offers higher efficiency and power density levels. The outstanding performance and reliability combined with the capability of 8-inch GaN-on-Si wafer production mark Infineon’s strategic outreach to the growing demand for GaN power semiconductors. In accordance with market requirements, Gen2 will be developed
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Date:
09/16/2021
IQRB-2 rubidium oscillator handbook available now summarising key test data
IQRB-2 rubidium oscillator handbook available now summarising key test data
The handbook summarises tests undertaken: from temperature stability and short-term stability to supply pushing and more.   The IQRB-2 fills the gap between the IQRB-1 and the IQRB-3; the IQRB-1 delivers a superb price performance ratio, whereas the IQRB-3 offers an exceptional phase noise performa
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Date:
09/16/2021
Precision-Adjustable Current Limit Power Switch
Precision-Adjustable Current Limit Power Switch
Streamlining power system design and assuring ongoing reliability, this automotive-compliant device provides a controlled and protected power path. It is rated to handle continuous load currents of up to 1.5A. Key applications include protection of vehicle USB ports and ECU supply rails, and infotainment and telem
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Date:
09/16/2021
GaN Gate Driver Boosts Speed, Flexibility, and Integration
GaN Gate Driver Boosts Speed, Flexibility, and Integration
The output is closely matched between high-side and low-side outputs, to handle high-frequency switching of GaN enhancement-mode FETs.   Also suitable for driving N-channel silicon MOSFETs at up to 20V, the STDRIVEG600 allows the flexibility to apply up to 6V gate-source voltage (VGS) on GaN devices to e
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Date:
09/16/2021
Convection cooled power supplies with 200% peak-power
Convection cooled power supplies with 200% peak-power
Designed for industrial applications requiring high levels of safety, the LHP150F and the LHP300F are certified according to EN62477-1 (OVC III). The products work over a wide universal input voltage range of 85 to264VAC and have a high typical efficiency rating of 93%. The LHP150F and LHP300F are available in
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Date:
09/16/2021
Rutronik adds Infineon StrongIRFET 2 Power MOSFETs
Rutronik adds Infineon StrongIRFET 2 Power MOSFETs
They are suitable for both low and high switching frequencies. This new technology offers 40 percent improved RDS(on) and over 50 percent lower gate charge (Qg) compared to previous StrongIRFET™ devices. The higher power efficiency thus generated ensures improved overall system performance. The Infineon StrongI
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Date:
09/16/2021
MagI³C-FDSM-36-V family extended with 12 V output voltage
MagI³C-FDSM-36-V family extended with 12 V output voltage
The power module in a SIP-3 package represents a cost-effective solution to meet the requirements for the real-world voltage transients of a 24 V industrial power architecture. The new module operates from 16 to 36 VIN and generates a fixed output voltage of 12 V with current up to 1 A.   The FDSM
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Date:
09/16/2021
Gate Driver Improves EconoDUAL IGBT Module Performance by 20%
Gate Driver Improves EconoDUAL IGBT Module Performance by 20%
The new drivers improve the performance of multiple parallel EconoDUAL modules by 20%, allowing users to eliminate one of every six modules from power inverters and converter stacks. In addition to saving the cost of the driver and module, this reduces control complexity and costs related to modules, wiring, hardware,
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Date:
09/16/2021
Integrated 3-Phase MOSFET Gate Driver Maximizes Battery Life
Integrated 3-Phase MOSFET Gate Driver Maximizes Battery Life
The TMC6140-LA 3-phase MOSFET gate driver integrates all three bottom shunt amplifiers to provide a complete motor drive solution with 30-percent improved power efficiency, while simplifying design by reducing component count by half when compared to similar solutions.   The TMC6140-LA is optimized for performan
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Date:
09/16/2021
85-305VAC Input AC-DC Power Supplies for Embedded Applications
85-305VAC Input AC-DC Power Supplies for Embedded Applications
XP Power has announced the introduction of the LCW series of regulated output cased AC-DC power supplies that is ideal for embedded industrial electronics, technology and equipment requiring household approvals. The nine new series (LCW15, LCW25, LCW35, LCW50, LCW75, LCW100, LCW150, LCW200 and LCW320) offer po
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Date:
09/15/2021
PSDcast – Long-Term Outlook of the Global Chip Shortage

CEO of Almonty Industries, Lewis Black

PSDcast – Long-Term Outlook of the Global Chip Shortage
One of the most lasting effects of Covid-19 for our industry – apart from the physical work environment – is the global semiconductor shortage. Almost everyone would agree that the coronavirus made semiconductors scarce, but the question is “To what degree?” Here to discuss that is our old friend from Al
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Date:
09/08/2021
Renesas Shows Dialog Synergies with 39 Winning Combinations
Renesas Shows Dialog Synergies with 39 Winning Combinations
Ally Winning

The Japanese company took that opportunity to host a press conference to explain the reasons for the acquisition further and to launch 39 of the company’s Winning Combinations to demonstrate how the Dialog portfolio meshes with Renasas products to allow Rensas to compete in new areas and applications. The fi
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Date:
09/06/2021
Sensor Eval Board for Rapid Prototyping Speeds Development
Sensor Eval Board for Rapid Prototyping Speeds Development
The newly launched Application Board 3.0 provides a versatile development solution that makes it quick and easy for engineers to work with all Bosch Sensortec sensors on one common platform. The new board simplifies the evaluation and prototyping of sensors for a wide range of applications, particularly in Industry 4.
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Date:
09/06/2021
High Density Resonant Converter in a ⅛th Brick Size using eGaN FETs

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Table 1: Converter specifications

High Density Resonant Converter in a ⅛th Brick Size using eGaN FETs
Michael de Rooij and Amir Negahdar, Efficient Power Conversion Corporation

This article addresses the power density demand by presenting a high efficiency, high power density LLC resonant based converter that meets the requirements of modern data center and server rack power delivery systems. This DC-to-DC converter connects the 48 V intermediate bus to a downstream 12 V bu
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Date:
09/01/2021
Separating and Mitigating Conducted Emissions

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Figure 1. The CM noise path and DM noise path in a buck converter

Separating and Mitigating Conducted Emissions
Ling Jiang, Applications Engineer, Frank Wang, EMI Engineer, Keith Szolusha, Applications Director, and Kurk Mathews, Senior Applications Manager, Analog Devices

EMI from switching regulators is broken down into radiated and conducted emissions (CE). This article focuses on conducted emissions, which can be further classified into two categories: common-mode (CM) noise and differential-mode (DM) noise. Why the CM-DM distinction? EMI mitigation techniques tha tare effective for C
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Date:
09/01/2021
Power Conversion Safety Basics

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Table 1: Potential hazards from a power supply

Power Conversion Safety Basics
Jon Cooper, Technical Manager, UK & Ireland, Avnet Abacus

No power supply should produce other hazards itself, which include fire, fumes, releasing dangerous chemicals, emitting harmful radiation and causing physical injury from sharp edges and falling/flying objects or burns from hot surfaces. In a power supply design, all these effects must be considered and evaluated by
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Date:
09/01/2021
SEPIC, Boost, Inverting, and Flyback Controller Solves the Voltage Drop Problem of High Impedance, Long Length Industrial Power Lines

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Figure 1. Electrical schematic of a LT8710 lithium-ion battery charger in high impedance input lines.

SEPIC, Boost, Inverting, and Flyback Controller Solves the Voltage Drop Problem of High Impedance, Long Length Industrial Power Lines
Victor Khasiev, Analog Devices, Inc.

The LT8710 is a versatile dc-to-dc controller that supports boost, SEPIC, inverting, or flyback configurations, and is widely used in automotive and industrial systems. The LT8710 includes features that enable use in applications with high impedance power supplies, or where input currentmust be
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Date:
09/01/2021
Integration is What You Need

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Figure 1. WBG and silicon power switch Infineon brands positioning

Integration is What You Need
Ngee Hou Tan, Senior Product Marketing Manager, and Thomas Beer, Senior Director Strategic System Application Engineering CoolGaN™, Power & Sensor Systems division, Infineon Technologies

Introduction Today’s switch-mode power supplies (SMPS) are smaller, more efficient, and lower-cost than ever. The key to their performance is the power switch technologies at their heart – but how should designers choose the right material for this and find the best component to meet their needs? While silicon is the most widely-known constituent of semiconductors, a new group of wide bandgap (WBG) materials is increasingly finding its way into applications. One example is gallium nitride (
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Date:
09/01/2021
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