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Power Supplies & Magnetics

 



 

 

Power Supplies & Magnetics

Current
Power Inductors Save Space in High-Density DC/DC Converters
Woking, UK - TT Electronics has introduced the HA74 series of surface-mount power inductors, which combine a low profile, small footprint, and 3MHz switching capability for efficient, space-saving DC/DC converters. AEC-Q200 certified and specified for operation from -55°C to +155°C, the HA74
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Date:
03/25/2019
1.25-kW Small-Form-Factor GaN Inverter Reference Design
This reference design from Texas Instruments (TI) is a three-phase inverter with a continuous power rating of 1.25 kW at 50°C ambient and 550 W at 85°C ambient for driving 200-V AC servo motors. It features 600-V LMG3411R150 Gallium Nitride (GaN) power modules with an integrated
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Date:
03/22/2019
Frequency-Optimized Planar Transformers Rated up to 250W
Lake Forest, CA—Premier Magnetics announces its PM-PTxxx Series of frequency-optimized planar transformers. The new line, offering models with ratings to 250W, are designed for forward converter, full/half bridge and active clamp applications utilizing switching frequencies between 200 KHz and 700 KHz.  Proprietary
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Date:
03/21/2019

Bi-Directional Regenerative Supply Packs 30KW in 4U Chassis
San Diego, CA — Elektro-Automatik announces the EA-PSB 10000 30KW Programmable Bi-directional Power Supply. The 4U rack-mounted PSB 10000, engineered with advanced SiC power conversion devices switching at 150 kHz, boasts the industry’s best power density—requiring as little as half the rack space
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Date:
03/21/2019
UnitedSiC announces SiC JFET family for low power  AC-DC Flyback converters

SiC JFETs for Low Power AC/DC Flyback Converters

March 19, 2019, Applied Power Electronics Conference (APEC) Anaheim CA, and Princeton,New Jersey: UnitedSiC, a manufacturer of silicon carbide (SiC) power semiconductors, today announced it has released a range of SiC JFET die suitable for co-packaging with a controller IC with built in low
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Date:
03/20/2019
10A and 15A Fully EncapsulatedÂPMBus Power Modules
TOKYO, Japan – Renesas Electronics Corporation announced a pair of new encapsulated hybrid digital DC/DC PMBus power modules, the 10-amp ISL8280M and 15-amp ISL8282M. The hybrid digital power modules offer best-in-class power density of 115mA/mm2 in a 12mm x 11mm package,
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Date:
03/19/2019
DIN Rail Power Supplies with ATEX & UL HazLoc Certifications
San Jose, Calif. – TRACO POWER has announced the release of their TIB 80-EX Family of 80 Watt DIN rail power supplies that are designed for harsh environments & hazardous locations with certifications for ATEX II3G and UL HazLoc Class I / Div 2 standards.
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Date:
03/18/2019
UnitedSiC announces strategic investment by Analog Devices

Chris Dries, President and CEO at UnitedSiC

March 18, 2019, Princeton, New Jersey and Norwood, Massachusetts: UnitedSiC, a manufacturer of silicon carbide (SiC) power semiconductors, today announced a strategic investment and long-term supply agreement from Analog Devices, Inc.
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Date:
03/18/2019
Two Steps to High Voltages

Click image to enlarge

Figure 1. Boost topology for generating a high voltage from a low voltage

If a high voltage needs to be generated from a low voltage, a boost converter can be used. This represents one of the three elementary switching regulator topologies and requires only two switches, an inductor, and input and output capacitors. Besides the boost converter, the other basic topologies are the buck
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Date:
03/08/2019
Wide Bandgap Semiconductors and Packaging - it’s happening

Kevin Parmenter, Field Applications Manger, Taiwan Semiconductor

The promise of wide bandgap semiconductors (WBG) are higher switching frequency and higher operating temperatures perhaps smaller sizes, greater efficiencies and perhaps higher reliability, less size, less cooling – no fans for example, smaller heatsinks, smaller capacitors, less weight and overall better
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Date:
03/08/2019
New SCALE-iDriver SiC-MOSFET Gate Driver
Power Integrations announced the SIC1182K SCALE-iDriver, a high-efficiency, single-channel SiC MOSFET gate driver that delivers the highest peak output gate current available without an external boost stage. Devices can be configured to support different gate-drive
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Date:
03/06/2019
VITA 62 compliant power supplies for MIL-COTS VPX applications
Vicor Power Systems new line of VITA 62 compliant power supplies are designed for 3U Open VPX systems and achieve high-efficiency and high-power density in a rugged, conduction-cooled chassis. The initial products operate from a nominal 28V or 270V DC input, with
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Date:
03/06/2019
Ultra-Low Power Technology applied to Energy Harvesting
e-peas has announced the introduction of a new power management IC specifically optimized for energy harvesting from thermal sources in wireless sensors application. Supplied in a space-saving 28-pin QFN package,
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Date:
03/06/2019
Power solution for high speed e-commerce hub conveyers
Powerbox announces the introduction of its ENI250A series designed to deliver peak power to motor start or/and high capacitive loads in factory automation applications. The three-phase ENI250A series is housed in an IP54 case, delivers a constant 250W and up to 480W
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Date:
03/06/2019
Industry’s first automotive USB 3.1 SmartHub supports Type-C
Microchip announces an automotive-qualified USB 3.1 Gen1 SmartHub IC, offering up to 10 times faster data rates over existing USB 2.0 solutions and reducing indexing times to improve the user experience in vehicles. To support the rising adoption of USB Type-C in
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Date:
03/06/2019
Industry’s smallest logic parts approved for automotive
Nexperia announced that over twenty logic types in the company’s space-saving leadless MicroPak packages are now AEC-Q100 qualified. These logic solutions are the smallest devices of their type suitable for
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Date:
03/06/2019
Han ES Press HMC connector range allows fast installation
The new Han ES Press HMC (High Mating Cycles) connector series from HARTING combines the facility to be installed quickly without tools with extremely robust construction that allows the devices to handle at least 10,000 mating cycles.
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Date:
03/06/2019
Beat Obsolescence with PULS DIN-Rail Power Supplies
PULS Power has undertaken not to discontinue standard products while enough demand is present to make them viable for manufacture. This provides their customers with the reassurance that they will not be forced
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Date:
03/06/2019
3 kV rms Signal and Power Isolated CAN Transceiver
The ADM3057E is a 3 kV rms isolated controller area network (CAN) physical layer transceiver with an integrated, isolated dc-to-dc converter. The ADM3057E meets flexible data rate (CAN FD) requirements for operation to 5 Mbps and higher and complies with the ISO 11898-2: 2016 standard. The ADM3057E can support
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Date:
03/05/2019
6-Channel Battery Stack Monitor
The LTC6810 is a multicell battery stack monitor. It measures up to 6 series-connected battery cells with a total measurement error of less than 1.8 mV. The cell measurement range of 0 V to 5 V makes the LTC6810 suitable for most battery chemistries. Key Features Measures
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Date:
03/05/2019
20ÂV, 15ÂA Synchronous Step-Down Regulator
ADI’s Power by Linear LTC7151S, a 20 V, 15 A monolithic synchronous buck converter with differential VOUT remote sensing. The LTC7151S uses Silent Switcher 2 technology, including integrated bypass capacitors to deliver a highly efficient solution with excellent EMI performance while easing layout constraints.
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Date:
03/05/2019
7ÂA Ideal Diode Shields Electronics from Reversed Supplies
The Power by Linear LTC4376, an active diode with an internal 7 A MOSFET and −40 V reverse input protection. The LTC4376 replaces power Schottky diodes in diode-OR and supply holdup circuits, which reduces voltage and power losses by 10×. Key Features Low
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Date:
03/04/2019
24 V to 220 V Precision Operational Amplifier
The ADHV4702-1 is a high voltage (220 V), unity-gain stable precision operational amplifier. It offers high input impedance with low input bias current, low input offset voltage, low drift, and low noise for precision demanding applications. Key Features    Wide
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Date:
03/04/2019
ÎModule Regulators Use Inductor as HeatÂSink
ADI’s Power by Linear LTM4626 and LTM4638, 20 VIN μModule (power module) regulators use a 3D packaging assembly dubbed component on package (COP). The inductor is exposed on top of the device. Using the temperature gradient of the inductor, heat from the MOSFET inside is transferred to the inductor, then
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Date:
03/04/2019
 Reenvision Inductor Operation to Optimize New Applications

Click image to enlarge

Figure 1: Core material performance curves

What do new applications need in order to take advantage of new devices like wide band-gap semiconductors? They need the best inductors. And what is the best inductor for your application?   Answering that requires proper characterization of the inductors, which is more than can be conveniently obtained
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Date:
03/01/2019

 



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