Power Semiconductors

March 2021
TDK Offers Compact, Current-Compensated Ring Core Chokes
TDK Corporation presents a new series of current-compensated EPCOS double-ring core chokes for the suppression of common-mode interferences. These chokes are available in three sizes with current handling capacities between 10 A and 17 A, and with a rated voltage of 250 V AC (50/60 Hz). Depending on the type, the
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Date:
03/17/2021
PoE Magnetic Modules for Extended Bandwidth Applications
Bel Power Solutions introduces 100W 4-pair, Power over Ethernet, NBASE-T / 802.3bz Magnetic Modules. The 100W Magnetic Modules are aimed at engineers who are developing products to be compliant with the NBASE-T / IEEE 802.3bz and 802.3bt standards, while optimizing performance and reliability. The 100W 4-pair
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Date:
03/16/2021
Medical 15W and 20W DC-DC converters with 5,000Vac isolation
Certified to the IEC 60601-1 and IEC 62368-1 standards for Medical and Audio/Video, Information and Communication Technology Equipment, the series has 5,000Vac reinforced isolation between input and output. With a wide input range, these compact board mount converters are suitable for a broad spectrum of medical, bat
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Date:
03/14/2021
DC power supplies offer 10kW of regulated power up to 100kV
The fast response units feature tight voltage regulation of better than 0.005% for line regulation and 0.01% for load. Up to five units can be connected in parallel in a master-slave configuration to produce up to 50kW. The 19-inch, 7U rack-mount units combine the latest design topologies and operating featu
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Date:
03/14/2021
MinE-CAP IC reduces volume of AC-DC converters by up to 40%
By halving the size of the high-voltage bulk electrolytic capacitors required in offline power supplies, this new type of IC enables a reduction in adapter size of up to 40%. The MinE-CAP device also dramatically reduces in-rush current making NTC thermistors unnecessary, increasing system efficiency and reducing heat d
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Date:
03/14/2021
Encapsulated power supplies with a variety of mounting styles
The new compact internal ac-dc power supplies are all available in board, chassis, or DIN rail mounting styles. New Series • PSK-5W: 5 watt encapsulated ac-dc power supplies • PSK-10W: 10 watt encapsulated ac-dc power supplies • PSK-15W: 15 watt encapsulated ac-dc power supplies • P
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Date:
03/14/2021
AEC-Q101 Qualified 700 and 1200V SiC Schottky Barrier Diode
The devices provide Electric Vehicle (EV) system designers with solutions that meet stringent automotive quality standards across a wide range of voltage, current and package options. For EV power designers who need to increase system efficiency while maintaining high quality, Microchip’s AEC-Q101-qualifi
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Date:
03/14/2021
Compact low on-resistance MOSFET devices
Leveraging the company’s advanced power semiconductor process expertise and cutting-edge IP, this 12V-rated common-drain device exhibits numerous industry-leading operational performance parameters. The SSM6N951L is specifically intended for inclusion in the battery protection circuitry incorporated into the Li-I
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Date:
03/14/2021
Infineon adds 40 V device in PQFN to OptiMOS family
It is packaged in the Source-Down (SD) PQFN with a 3.3 x 3.3 mm2 footprint. The 40 V SD MOSFET primarily addresses SMPS for server, telecom, and OR-ing, as well as battery protection, power tool, and charger applications. The SD package features silicon that is being flipped upside down inside of the compo
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Date:
03/14/2021
Integrated DC/DC converters with high-efficiency design
The UltraBK converters are aimed at space-constrained applications such as IT and network infrastructure equipment. In addition to unprecedented space savings, they deliver high energy efficiency, high reliability, outstanding low-noise performance, and fast transient response. The converters achieve their extr
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Date:
03/14/2021
Smaller automotive designs with ultra-compact 1mm² MOSFETs
The products are suitable for high-density applications such as ADAS and automotive ECUs. The continuing electrification of vehicles in recent years has significantly increased the number of electronic and semiconductor components used per vehicle. Consequently, the need for a dramatic increase in componen
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Date:
03/14/2021
CoolSiC MOSFETs: Maintenance-free servo drives without fans
By introducing the new CoolSiC MOSFET with .XT interconnection technology in a 1200 V optimized D 2PAK-7 SMD package, passive cooling becomes possible. Up to 80 percent loss reduction compared to a silicon-based solution eliminates the need for cooling fans and related services. The devices enable high efficiency in
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Date:
03/14/2021
Würth Elektronik introduces its WSEN-HIDS humidity sensor
Thanks to its low energy requirement and its calibrated and temperature-compensated digital output, the sensor measures humidity and temperature with long-term stability. The WSEN-HIDS humidity sensor is based on advanced MEMS technology: A dielectric polymer absorbs or releases water molecules in proportion to the re
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Date:
03/14/2021
New automotive primary DC/DC converters
The BD9P series is optimized for ADAS (Advanced Driver Assistance System) sensors, cameras, and radars, along with car infotainment and instrument clusters.   In recent years, the electrification of vehicle systems has increased. Combined with the limited amount of power available, this trend emphasizes the n
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Date:
03/14/2021
eBook showcases high-performance power conversion components
In Achieving Enhanced Performance and Reliability, Bourns and Mouser offer a series of technical articles designed to help readers choose the right components for specific power applications, including multiple related to high-voltage energy storage. The growing importance and prevalence of technologies such as electric veh
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Date:
03/14/2021
IQD launches oscillator IQXO-951 25TS
The IQXO-951 25TS series delivers a frequency stability performance down to ±5 ppm over the full industrial temperature range of - 40 to 85 degrees C. Housed in a 2.5 x 2.0 mm package the new clock oscillator is suitable for most applications that are designed for battery-powered products. Common markets for
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Date:
03/14/2021
Smallest, lowest-power intelligent actuator
It combines a NEMA-17 stepper motor with controller and driver electronics. With Trinamic now part of Maxim Integrated, the PD42-1-1243-IOLINK uses the flexibility of Maxim Integrated’s MAX22513 IO-Link® transceiver to allow seamless configuring of all modes of Trinamic’s TMC2130-LA motor driver. As the ind
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Date:
03/14/2021
30W medical DC-DC converters have 5kVac reinforced isolation
With 5,000Vac reinforced isolation between the input and output, these wide input range board mount converters are ideal for use in medical, battery powered and industrial equipment. The PXD-M30 series, like other 3 to 20W models in the PX-M range, can operate from an input of 9 to 36Vdc or 18 to 75Vdc, and
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Date:
03/14/2021
Safety-certified capacitive touchscreen controller family
The family includes three controllers, the MXT112UD-MAUHA1, the MXT228UD-MAUHA1 and the MXT336UD-MAUHA1, each fulfilling different screen size needs, ranging from 2-to 8-inches. The Class B certified touch controllers offer unique safety-related features that enable system shut off through an intuitive sof
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Date:
03/14/2021
High efficiency and power density DC-DC convertor family
SZPL3102A/3103A family of two DC-DC converters (Buck Regulators) operate up to 2MHz. Delivering industry leading wide input and output range converters that support up to 24VDC input in a tiny 3mm X 3mm QFN. Tim Wilhelm, Director of Marketing, explained, “Higher switching frequency means a smaller, lower cost o
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Date:
03/14/2021
Power Supplies are Reliable for Demanding Medical Applications
COSEL Co, Ltd announced the expansion of its medical power offering with the addition of the PJMA series. The 600W PJMA600F and the 1000W rated PJMA1000F have a universal input range of 85 to 264VAC and comply with international safety standards. Designed for demanding medical applications, the PJMA series input/output iso
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Date:
03/09/2021
High-Current 175°C MOSFETs from Nexperia in Stock at TTI
TTI, Inc., has stock for immediate shipment of the Nexperia BUK7S1R2-40H, N-Channel 40V MOSFET in the LFPAK88 package. The BUK7S1R2-40H is AEC-Q qualified and has a drain current rating of 300A. The Nexperia thermally efficient LFPAK88 package uses a copper clip design to reduce the package resistance and inductance wh
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Date:
03/09/2021
Rugged 20 Watt DC/DC converter in a 1”x1” metal package
The THN 20WIR series is a family of ruggedized 20 Watt DC/DC converters for highest reliability in harsh environments, expanding our existing railway range in the 1” x 1” package up to 20 Watt. The THN 20WIR has a wide 4:1 input range and increased resistance against electromagnetic interference, shock/vibrat
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Date:
03/03/2021
High power quarter brick isolated DC/DC converter
Aimed at deployment in next generation data centers striving to meet increasingly stringent efficiency benchmarks, these advanced converters include versions that leverage the company’s proprietary hybrid regulated ratio (HRR) technology. Through this, they are able to deliver extended power capabilities toge
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Date:
03/03/2021
Modeling Common Topologies with Silicon Carbide MOSFETs

Click image to enlarge

Figure 1: Ideal double-pulse test simulation switching loss results are about 45% lower than those in the datasheet for the DUT, U2

Beyond the basic design principles common between SiC and Si, and the need to keep in mind SiC’s different characteristics, capabilities and advantages, engineers must model and simulate to ensure they will meet their design goals. As with Si, SiC now has optimized tools and models available from various s
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Date:
03/03/2021
eGaN FETs enable multiple 250 W, 48 V DC-DC solutions
The EPC9153 is a 250 W, extremely thin, power module using a simple, low-cost synchronous buck configuration delivering a 98.2% peak efficiency with a maximum component height of 6.5 mm. The EPC9148 utilizes a multilevel topology enabling a maximum component height less than 4 mm, while maintaining a 98% peak eff
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Date:
03/03/2021
2nd-gen digital multiphase controllers and smart power stages
The new products support 10A up to 1000A+ digital computing loads for advanced CPUs, FPGAs, GPUs and artificial intelligence (AI) ASICs addressing IoT infrastructure systems. The ISL6822x, ISL6823x, RAA2282xx digital multiphase controllers and ISL993xx, RAA2213xx smart power stages expand Renesas’ industry-le
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Date:
03/03/2021
Toshiba launches 1200V Silicon Carbide (SiC) MOSFET
These applications include 400V AC input AC-DC power supplies, Photovoltaic (PV) inverters and bi-directional DC-DC converters for uninterruptible power supplies (UPS). The new TW070J120B power MOSFET is based upon SiC, a new wide bandgap material that allows devices to deliver high voltage resistance, high-sp
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Date:
03/03/2021
Harwin opens £3.8m smart manufacturing facility
Providing an additional 1,200m² of factory floor, the new facility is enabling the company to quickly and significantly scale up production of its award-winning high reliability (Hi-Rel) connectors to meet market requirements. The total investment into the new facility is £3.8m; £1m of this brings in st
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Date:
03/03/2021
80V bidirectional buck-boost and dual-phase buck DC/DC controllers
The ISL81801 buck-boost controller acts like a “UPS on a chip” by enabling bidirectional current flow (forward or reverse) using constant-voltage and constant-current regulation. This allows a battery or supercapacitor to be charged and discharged using a single controller and power path. The ISL81801’s comb
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Date:
03/03/2021
Ultra-Thin, Low Profile, 3 Watt Dc-Dc Converters Ideal for Portable Electronics
CUI Inc today announced the addition of four ultra-thin converter series to its isolated dc-dc converter line. New Series: • PYBJ3-OD: Open frame series in 6 pin DIP package • PYBJ3-D: Encapsulated series in 6 pin DIP package • PYBJ3-OM: Open frame series in surface mount package • PYBJ3
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Date:
03/03/2021
New application specific FET category for optimized performance
Application Specific FETs (ASFETs) feature MOSFETs with optimized parameters for specific applications. By focusing on individual applications, significant improvements can be offered. Nexperia is offering ASFET families for battery isolation, motor control, hot-swap and Power over Ethernet (PoE) applicati
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Date:
03/03/2021
High-voltage analog multiplexers for signal distribution
The high voltage capability of the devices will support industrial IoT (IIoT) applications using multiple sensors, including factory automation and process control, battery monitoring systems, and test and measurement equipment.   The PS508 and PS509 provide single-ended or differential configurati
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Date:
03/02/2021
E-PEAS signs deal with Mouser for energy harvesting PMICs
Through the agreement, Mouser will stock the complete portfolio of highly advanced e-peas energy harvesting PMICs, as well as related evaluation boards, ready for immediate shipment. Suitable for a broad array of potential use cases, including industrial control/monitoring, building automation, smart homes, agr
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Date:
03/02/2021
Würth Elektronik extends WE-MAPI power inductor range
They are characterized by a high saturation current, high permeability, and low resistance. The most important area of applications for the WE-MAPI range are high-performance DC/DC converters with a high efficiency for switching frequencies of up to 20 MHz. New additions to this range are the 5020 and 5030 sizes and the
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Date:
03/02/2021
Mouser adds Analog Devices’ AD567xR DACs
The AD567xR devices are low-power, 12-bit and 16-bit buffered voltage output DACs, operating from a single 2.7 V to 5.5 V supply voltage range. Featuring wide operating ranges and high relative accuracy, the 16-channel DACs are ideal for a range of applications, including industrial automation, optical transce
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Date:
03/02/2021
Mouser adds ultra-compact TDK FS1406 µPOL DC-DC power modules
Offering 15 W of output power in a minuscule 3.3 mm × 3.3 mm × 1.5 mm package, the highly compact point-of-load modules support a range of high-performance applications, including machine learning, artificial intelligence, big data, 5G cells, and Internet of Things (IoT) applications. The TDK FS1406 µPOL DC-
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Date:
03/02/2021
Microchip unveils low-power DAC with nonvolatile memory
The family is the first of their kind to include nonvolatile memory and an integrated Voltage Reference (Vref) source so they can be pre-configured for safe and efficient power-up without relying on the system processor. “Handhelds and other portable systems are expected to deliver more capabilities in smaller
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Date:
03/02/2021
Security MCUs with Trusted Firmware-M, Arm Mbed OS and Pelion IoT
This industry’s first solution combines the well-known PSoC ® 64 Secure Microcontrollers with Trusted Firmware-M embedded security, the Arm ® Mbed™ IoT OS, and the Arm Pelion™ IoT platform to securely design, manage, and update IoT products without the need for custom security firmware. The Pelion-Ready a
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Date:
03/02/2021
5V to 28V, 12.5A rated output, buck-boost DC-DC converters
The output voltage of these step-up and step-down converters can be adjusted from 5 to 28V and they accept a wide range input voltage of 9 to 53V. The converters seamlessly transition from buck to boost mode operation without disruption in performance. The i7C 12.5A series can be used to derive additional high power outputs f
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Date:
03/02/2021
Cost effective 5 to 25W board mount Class II power supplies
Certified to the IEC 62368-1 standard for Audio/Video, Information and Communication Technology Equipment, the products have a Class II input requiring no earth ground. The KPSB can operate in ambient temperatures of up to -40 to +80°C. These cost effective, compact PCB mount supplies are ideal for factory automati
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Date:
03/02/2021
The new device is intended for powering sensors, microcontrollers (MCUs), wireless devices, and other system components. Operating with battery output from 1.8V to 5.5V, the ISL9122A extends the battery life of smart IoT devices powered by coin-cell, lithium and multiple series alkaline batteries. Target appli
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Date:
03/02/2021
New 2 MOPP compliant IEC inlet EMC filters
The new FN9274 filters have been designed according to Class II medical equipment standard IEC / EN 60601-1. The filters offer product designers Two MOPP (Means of Patient Protection) safety protection "out of the box", eliminating the requirement for any further EMC or isolation components. The FN9274 f
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Date:
03/02/2021
New range of low-cost DIN rail mount AC-DC power supplies
The supplies are intended for industrial electronics & controls and building management applications. The three new series (DRC30, DRC60 and DRC100) provide power levels of 30W, 60W and 100W in an easy to integrate, lightweight package. Not only do the competitively priced units offer a cost saving when compar
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Date:
03/02/2021
Mouser signs global deal with SemiQ for SiC power products
SemiQ grows its own SiC epitaxial and is building the most reliable, redundant supply chain with multiple substrate suppliers, multiple epitaxial suppliers, two wafer fabrication facilities, and multiple packaging and testing facilities. Mouser now stocks a variety of SemiQ’s SiC Schottky diode and MOSFET pro
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Date:
03/02/2021
MAX25430 100W USB PD buck-boost controller
As the industry’s most integrated solution, the MAX25430 can reduce design size up to 40 percent compared to competitive solutions and offer the industry’s lowest cost for increasing the number of USB PD ports in vehicles. Automotive multimedia hubs, including rear-seat entertainment modules and head-un
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Date:
03/02/2021
NTC Temperature Control for IGBT and Power MOSFET Modules

Click image to enlarge

Figure 1: Boost Converter with Thermal Management

Although some MOSFETs are equipped with an internal temperature sensor (body diode), there are other ways to monitor and control temperature. A semiconductor silicon PTC resistor can be used with well-defined current control or a Pt- or Ni-based resistance temperature detector (RTD) with moderately low resistance va
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Date:
03/01/2021