Tech news tagged ‘power’

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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European power electronics research initiative adds Mentor

The European Centre for Power Electronics (ECPE) is a Germany-based industry initiative for research, education and technology transfer in power electronics.

The role of the ten-year-old ECPE initiative is to support research on power electronic systems and pass this into the industry via workshops and tutorials.

The…

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Designing with synchronous DC-DC converters from Panasonic

The transient performance and frequency stability of hysteretic-based synchronous DC-DC converter ICs can be improved with ramp control and adaptive on-time techniques.

The control method used in a line-up of high current synchronous buck DC-DC converter ICs with integrated FETs by Panasonic meets the challenges…

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DC-DC converter in a BGA has 2kV isolation

Linear Technology has introduced a 2.5W output DC/DC converter with 2kVAC galvanic isolation in a 9x15x4.92mm ball grid array (BGA) package.

The isolated transformer, control circuitry, power switches, and a modest amount of input and output capacitance are encased in the BGA package.

A minimum creepage distance…

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