Tech news tagged ‘power’

GaN power transistors on standard PCB

Gallium nitride power transistor maker GaN Systems has issued an application note showing how to use its novel GaNPX packaging on FR4 PCBs.

GaNPX is a package in which the die is embedded within stacked laminate. “A series of galvanic processes replace conventional packaging techniques such as clips, wire bonds…

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Digital power design’s latest standard explained

The demand to provide sophisticated power management functions, along with a desire to reduce board space and the number of external components are the drivers that have led power system designers to increasingly turn to digital power over the past decade.

However it has been the development of off-the…

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Tiny package 3A regulator designed for PCIe cards

Linear Technology has squeezed a 3A voltage regulator into a package measuring just 6.25mm square.

The LTM4623 3A µModule step-down regulator also has a 1.8mm height profile which is designed to meet the requirements of PCIe (Peripheral Component Interconnect Express), Advanced Mezzanine Cards (AMC) for AdvancedTCA carrier…

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Cree’s most powerful 5mm LED

Cree has crammed up to 2,250 lm capability into a 5x5mm LED – achieved at 19W.

The LED is called XHP50, the first in a family of XHP lighting LEDs.

“At its maximum current, the XHP50 provides twice the light output of the industry’s brightest single-die LED, the…

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Supply targets low power medical terminals

TDK-Lambda has designed a 100W power supply, measuring 2 x 4-inch, which will be targeted at medical terminals such as eye lasers and respirators.

Developed in the UK, the ZMS100 single-output power supply conforms to the new IEC60601-1 3rd edition medical standard with input to output…

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100% bucks can be linear converters, says Micrel

Micrel’s latest low-profile step down power modules are capable of 100% duty cycle and operating with an input voltage range from 2.7V to 5.5V.

The company is proposing their use as small form-factor alternatives to linear regulators.

These synchronous buck converters have an integrated inductor…

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US firm produces sealed-AGM lead-acid battery

Advanced Battery Concepts (ABC) says it has started commercial production of its patented redesign of lead acid battery technology.

Michigan-based ABC claims it is the first large format, bipolar, sealed AGM, valve-regulated lead acid battery.

Launch products are two ICE 61056-certified general purpose 24V and 48V mono…

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Intel works on wireless charging chips with IDT

Intel and Integrated Device Technology (IDT) hope to open wireless charging, and like most other companies will use magnetic resonance to do it.

The companies are both board members of the Alliance for Wireless Power (A4WP) and so will develop devices that comply with the magnetic resonance standard.

The power…

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Driver IC for big LED light arrays

A programmable multi-output LED driver from Allegro Microsystems integrates a current-mode boost converter with internal power switch and eight current sinks.

The IC operates from 4.5 to 36V, and is able to withstand up to 40V load-dump conditions encountered in automotive systems.

The I2C interface allows…

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