Power

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AC/DC power modules boast 4% efficiency improvement

AC/DC power modules boast 4% efficiency improvement
Representing a significant upgrade to the popular PFE-S series launched 5 years ago, the PFE-SA series of AC/DC full-brick power modules has been launched by TDK-Lambda. The power modules are particularly well-suited for outdoor applications, as well as equipment requiring water-cooling, hermetic sealing, fanless operation and compact design.
23rd April 2014

Converter optimises TV & monitor transient response

Converter optimises TV & monitor transient response
Designed to optimise transient response in low-voltage TV and monitor applications, the AP65550 synchronous buck converter has been launched by Diodes Inc.  Based on an adaptive constant on-time control algorithm, the 5A-rated AP65550 quickly reacts to rapid changes in load conditions, guaranteeing a minimal drop in output voltage.
23rd April 2014

AC current sensors for energy management systems

AC current sensors for energy management systems
Suitable for power distribution panels in a variety of energy management systems, the CCT series of clamp AC current sensors have been announced by TDK. Offered in two variants, rated for up to 30 and 100A, respectively, the current sensors can be quickly and easily installed in existing power distribution panels thanks to their snap-on clamp design.
23rd April 2014


Programmable voltage supervisor with built-in EEPROM

Programmable voltage supervisor with built-in EEPROM
Featuring built-in EEPROM for simultaneous, accurate monitoring of up to six 0.2-13.9V voltage rails, the LTC2933 has been announced by Linear Technology. It is designed to increase system reliability in applications including network servers, data storage, telecommunications equipment, industrial control and high availability computer systems.
23rd April 2014

Reference design board for accurate current-sensing

Reference design board for accurate current-sensing
By monitoring the voltage drop across a copper track on a PCB, a new reference design board from ams achieves linear current measurement up to 100A with an accuracy of ±1%. The board takes advantage of the very high sensitivity and precision of the AS8510, an integrated data acquisition front end which provides two measurement channels.
23rd April 2014

Schottky barrier diodes for low voltage applications

Schottky barrier diodes for low voltage applications
Suitable for use with DC/DC converters and in low voltage applications, particularly in hand-held and portable equipment, the XBS104P11R-G, XBS304F11R-G and XBS306P11R-G Schottky barrier diodes have been announced by Torex Semiconductor. Schottky barrier diodes offer much lower forward voltage drop than standard switching diodes which means that they can offer high current capabilities, ultra fast switching and low power dissipation.
23rd April 2014

MOSFET family expanded to include 60V devices

MOSFET family expanded to include 60V devices
A family of MOSFET's has been expanded to include 60V devices, designed for a wide variety of industrial applications including power tools, LEV inverters, DC motor drives, Li-Ion battery pack protection, and SMPS secondary-side synchronous rectification. The StrongIRFET MOSFET devices from International Rectifier are available in through-hole and surface mount D2-PAK packages.
22nd April 2014

True-digital 25A POL solution from ZMDI and Murata

True-digital 25A POL solution from ZMDI and Murata
ZMDI and Murata Power Solutions announce a true-digital 25A point-of-load (POL) solution. ZMDI’s ZSPM1025 single-phase digital PWM controller family ICs for non-isolated DC/DC supplies, combined with Murata Power Solution’s single-phase 25A surface-mount power block, provide a quick route to proven, high-performance smart digital power solutions.
22nd April 2014

Energy-efficient DC/DC regulator provides 12A output

Energy-efficient DC/DC regulator provides 12A output
Suited for non-isolated step-down applications, the ZSPM4023 is a single-phase buck regulator with integrated driver and power FETs. The energy-efficient DC/DC regulator, manufactured by ZMDI, is capable of leveraging a wide input voltage range and supporting up to 12A of output current.
22nd April 2014

PWM controller IC for non-isolated DC/DC POLs

PWM controller IC for non-isolated DC/DC POLs
ZMDI announces a fully configurable true-digital, high-performance PWM controller IC for non-isolated, step-down DC/DC point-of-load (POL) supplies. The ZSPM1005 operates in a single-phase and single-rail configuration. ZMDI is following its roadmap for smart power management by adding another ZSPM IC family member targeted for FPGA designs and POL power modules for single-phase applications including telecommunication, base stations, servers and storage.
17th April 2014


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