Tech news tagged ‘power’

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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300kW SiC half-bridge offers 99% efficiency

Silicon carbide is a route 99% efficiency in induction heating drivers, claimed Cree as it introduced a 300A, 1.2kV half-bridge module.

Bolting straight into a industry-standard 62mm footprint, it includes two 5mΩ SiC mosfets and two SiC free-wheeling Schottky diodes, that drop 1.7V at 300A…

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Digitally controlled converter drives 60A

TDK-Lambda has introduced an non-isolated surface mount DC-DC converter which will handle 60A currents.

The iJB series converters are PMBus read and write compliant and digitally controlled. The input voltage range is 8-14Vdc and the output is adjustable from 0.6 to 2.0V with a…

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DC-link film capacitor is self-healing

AVX has a range of medium power DC-link film capacitors, which have self-healing properties.

FRC series capacitors are comprised of dry, wound, metalized polypropylene film dielectric encased in a size A, self-extinguishing, cylindrical plastic case sealed with thermosetting resin and featuring four snap-in terminals that facilitate…

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Avago optocoupler has flyback controller to drive IGBTs

Avago Technologies has introduced a gate drive optocoupler device that integrates a flyback controller for DC-DC converters and fail-safe IGBT diagnostics.

The device’s 2.5A rail-to-rail output makes it suitable for driving IGBTs and power MOSFETs in industrial power inverters and motor drives.
“By integrating…

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