Power

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Affordable, accessible SiC devices

Affordable, accessible SiC devices
  Rethinking wafer fabrication and converter design can make SiC devices more affordable and accessible, advocate Corey Deyalsingh, Littelfuse and Sujit Banerjee, Monolith Semiconductor
31st August 2017

Use circuit models to chart power device thermal parameters

Use circuit models to chart power device thermal parameters
  Higher power levels are being handled in smaller spaces meaning that remaining losses are concentrated in the same small area or volume. Thermal considerations can be the critical path to a successful design, says Kim Mosley, Vicor
31st August 2017

Speed up system design

Speed up system design
  Using modular, configurable power supplies can accelerate system design, advocates Kevin Pamenter, Excelsys Technologies
31st August 2017


High-impedance chip beads with lowest DC resistance

High-impedance chip beads with lowest DC resistance
TDK has announced the development of the MMZ0402EUC series of chip beads, with the lowest DC resistance for a chip bead its size. The two new types with their respective impedance values of 150 Ω and 180 Ω at 100 MHz, feature DC resistance values of only 0.62 Ω and 0.69 Ω. This results in a significant reduction in power losses, while at the same time providing excellent noise suppression.
30th August 2017

Mixed-signal ICs promise up to 80% system cost savings

Mixed-signal ICs promise up to 80% system cost savings
Global technology group operating in the semiconductor and connected health industries, S3 Group, has announced a change in strategy for its custom semiconductor business, S3 Semiconductors (S3semi). It will now focus on industrial and communications OEMs, converting their electronic systems and boards into mixed-signal integrated circuits and delivering packaged and tested chips, rather than just design services and IP. This process promises cost savings of up to 80% over the lifetime of projects.
30th August 2017

H-bridge driver ICs for DC brushed motors

H-bridge driver ICs for DC brushed motors
Three new additions have been added to Toshiba Electronics Europe's (TEE) line-up of H-bridge driver ICs for DC brushed motors and stepping motors used in mobile battery-drive equipment, home appliances, housing and facility equipment. TC78H630FNG has a single H-bridge with a 2.1A rating and a low on-resistance of 0.4Ω (upper + lower, typ.) in the output stage allowing the IC to deliver a large current drive for DC brushed motors. The TC78H630FNG supports short brake mode.
30th August 2017

SiC MOSFET comes in seven-lead TO-263-7 surface mount package

SiC MOSFET comes in seven-lead TO-263-7 surface mount package
Availability and full design support capabilities for a new silicon carbide power MOSFET from Wolfspeed have been announced by Richardson RFPD. The 1200V, 75 mΩ C3M0075120J features Wolfspeed’s C3M SiC MOSFET technology and is available in a compact, seven-lead TO-263-7 surface mount package.
29th August 2017

Desktop power supplies suit medical applications

Desktop power supplies suit medical applications
Ranges of plug-in and desktop power supplies including units that come with approvals for use in medical applications have been introduced by RS Components (RS). The RS Pro brand devices are for use in medical equipment, the products have low leakage current <100uA, two MOPP input to output isolation, and are suitable for BF applications.
29th August 2017

DC/DC converter delivers efficiencies of over 95%

DC/DC converter delivers efficiencies of over 95%
  Analog Devices, which recently acquired Linear Technology, has announced the LT8362, a current mode, 2MHz step-up DC/DC converter with an internal 2A, 60V switch. It operates from an input voltage range of 2.8-60V, suitable for applications with input sources ranging from a single-cell Li-Ion battery to automotive and industrial inputs.
24th August 2017

DC/DC converters feature high speed transient response control

DC/DC converters feature high speed transient response control
  Torex Semiconductor has launched a new series of 3.0A synchronous rectification DC/DC stepdown converters (XC9274/XC9275) with the HiSAT‐COT high speed transient response control.
24th August 2017


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