Power

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Harnessing the advanced features of GaNPX packaging

GaN Systems has announced an application note for design engineers which sets out thermal design guidelines and PCB layout choices for its enhancement mode power switching transistors, which are supplied in its proprietary GaNPX device packaging. These are the first discrete power devices to be embedded in a laminate construction (in which conventional packaging techniques, such as clips, wire bonds and moulding compounds have been replaced with galvanic processes).
16th December 2014

Efficient power modules feature wide input voltage range

Efficient power modules feature wide input voltage range
Ericsson has introduced the PKB5000W series of open-frame isolated 120W eighth-brick DC/DC power modules that offer high current output and high efficiency. Importantly, the PKB5000W module features an ultra-wide input range of 18 to 75VDC, which means that the device is also suitable for 24 or 48V telecomms.
16th December 2014

IGBTs & IPMs have high voltage capacities & prevent latch up

IGBTs & IPMs have high voltage capacities & prevent latch up
Designed for power-efficient motor driving and inverter applications, the Intelligent Power Module (IPM) series has been released by ROHM Semiconductor. The series consists of IGBT based modules optimised for low or high speed operation, and MOSFET based IPMs which integrate the company’s Low Ron SuperJunction MOSFET, PrestoMOS. 10,15 and 20A versions of 600V IGBTs/IPMs are currently available, and 30A versions under development.
16th December 2014


Military MP grade LDO targets ‘keep alive’ systems

Military MP grade LDO targets ‘keep alive’ systems
The LT3014B, an LDO regulator capable of delivering 20mA output current manufactured by Linear Technology, has been released in a military MP grade version. Suitable for automotive, 48V telecomm backup supplies and industrial control applications, the device operates with a continuous input voltage range of 3-80V and generates output voltages from 1.22 to 60V with a low dropout of 350mV.
16th December 2014

MOSFET enables higher capacity lithium batteries

MOSFET enables higher capacity lithium batteries
Offering superior protection for charging one- and two-cell lithium batteries, a bi-directional MOSFET has been introduced by Diodes Incorporated. The DMN2023UCB4's low RDS(ON) reduces power while its thin chip-scale packaging saves space to allow increased battery capacity in consumer applications where size, weight and battery life are critical, such as smartphones, tablets, cameras and portable media players.
16th December 2014

Switching power supply meets voltage trimming requirements

Switching power supply meets voltage trimming requirements
An AC/DC switching power supply, which has an output power of up to 10KW, has been introduced by MEAN WELL. The RST-10000, which adopts 3-phase AC input, is available with three nominal outputs: 24, 36 or 48VDC. To meet the voltage trimming requirements, users can apply external DC voltage control to adjust the output voltage and current. 
15th December 2014

Modular busbar system addresses environmental constraints

Modular busbar system addresses environmental constraints
The development of a power station plant room provided not only logistical and technical challenges but also environmental considerations for Nova Controls during their installation of a water treatment PLC for a Yorkshire biomass site. The performance of Rittal’s Ri4power modular switch gear busbar system helped to deliver the solution that the site demands.
15th December 2014

MOSFET suits 12V DC/DC synchronous buck applications

MOSFET suits 12V DC/DC synchronous buck applications
Housed in a high performance 4x5 PQFN power block package, the IRFH4257D FastIRFET dual power MOSFET has been announced by International Rectifier. This package expands the power block family’s ability to lower power for compact designs in 12V input DC/DC synchronous buck applications including advanced telecomms and netcomms equipment, servers, graphic cards, desktop, ultrabook and notebook computers.
15th December 2014

DIN rail power supplies provide advanced control features

DIN rail power supplies provide advanced control features
Operating from a universal input of 85-264VAC (47-63Hz) with active power factor correction to ensure EN61000-3-2 compliance, the compact TDK-Lambda DRF series of energy efficient, DIN rail, convection-cooled power supplies meets demand for applications that require advanced control features, including those found in industrial equipment, building automation and process control.
15th December 2014

PMIC reduces processor hotspot on space-constrained PCBs

PMIC reduces processor hotspot on space-constrained PCBs
Providing complete power control for Nvidia’s Tegra K1 mobile SoC, ams has added the AS3722 to its family of PMICs for mobile multi-core ARM processors. The AS3728, an 8A high-voltage power stage complementing the AS3722, provides for a streamlined power architecture in embedded systems, since it can supply the high current required by processor cores directly from a 12V power rail.
15th December 2014


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