DC UPS battery chargers

17 January, 2005 | Supplied by: http://www.mrutty.com.au/

The PB251 is a family of 13.8V and 27.6V 220W/275W off line DC uninterruptible power supplies (DC UPS).

Monitoring and sequencing supply voltages - Part 2

05 January, 2005 by Joe Chong & Jay Scolio, Maxim Integrated Products | Supplied by: Arrow Electronics Australia Pty Ltd

For most electronic systems, monitoring system voltages with a power-on reset (POR) ensures proper initialisation at power-up

Monitoring and sequencing supply voltages - Part 1

05 December, 2004 by Joe Chong & Jay Scolio, Maxim Integrated Products | Supplied by: Arrow Electronics Australia Pty Ltd

For most electronic systems, monitoring system voltages with a power-on reset (POR) ensures proper initialisation at power-up. Detecting brownout conditions with a POR minimises possible code-execution problems that can corrupt memory

Biothermal battery

04 November, 2004

Biophan Technologies, a US company, has developed the Biothermal battery, based on the use of thermoelectric materials, using nanoscale-based, thin-film materials to convert thermal energy produced naturally by the human body into electrical energy.

Methanol fuel cell

18 October, 2004

Toshiba has announced the prototype of a highly compact direct methanol fuel cell (DMFC) that can be integrated into devices as small as digital audio players and wireless headsets for mobile phones.

Does internal resistance reveal battery capacity?

05 October, 2004 by Isidor Buchmann, CEO, Cadex Electronics* | Supplied by: Master Instruments Pty Ltd

During the last 20 years, three basic battery rapid test methods have emerged. All methods are resistance based, a characteristic that reveals the battery's ability to deliver load current

Power supply load unit

07 September, 2004 | Supplied by: http://www.westek.com.au/

The Motech PPS-120X GSM series dual channel DC source/current sink power supply/loads are suitable for testing mobile phone and other battery operated equipment, especially systems incorporating rechargeable batteries - in this case the device supplies charging power while checking battery drain at the same time.

Electronic Development Sales directional couplers

05 July, 2004 | Supplied by: Electronic Development Sales Pty Ltd

Electronic Development Sales has released a high power, high directivity coupler with good performance over mobile phone bands.

Grant for battery research

14 June, 2004

Perth company Hitec Energy has been offered an Australian Government R&D start grant for a mineral extraction process that produces the key ingredient for alkaline batteries in a more cost-effective way.

High temperature PEM fuel cell development

18 May, 2004

A new type of polymer electrolyte membrane (PEM) is being developed by researchers at the Department of Energy’s Sandia National Laboratories to help bring the goal of a micro fuel cell closer to realisation using diverse fuels like glucose, methanol, and hydrogen.

The story behind the battery

05 February, 2004 by Isidor Buchmann, President, Cadex Electronics Inc | Supplied by: Cadex Electronics Inc

One of the most remarkable and novel discoveries in the last 400 years has been electricity. You may ask, "Has electricity been around that long?" The answer is yes, and perhaps much longer

Battery chargers

16 January, 2004 | Supplied by: Microchip Technology Australia

Microchip has introduced a family of single and dual cell lithium-ion (Li-Ion) and lithium-polymer (Li-Polymer) charge-management controllers.

6000 VA double conversion UPS

16 January, 2004 | Supplied by: Schneider Electric Pty Ltd

Invensys Powerware has released a 6000 VA rackmount uninterruptible power system that resolves power anomalies and supplies maximum uptime protection to all connected servers, storage devices, networking equipment and medical devices.

Camera power supply

28 November, 2003 | Supplied by: Power Technology & Element Energy

Maxim has introduced the MAX1584/MAX1585, high efficiency, small complete power supplies for slim digital still cameras and digital video cameras.

Power cell units

28 October, 2003 | Supplied by: Switches Plus Components Pty Ltd

The PCU series of power cell units has an output of up to 900 W and made up of cells with a maximum of 12 channels. The units are suitable for prototypes as well as normal power supply needs.

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