Author - David Gunderson

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David Gunderson	Write for Electronic Design
David Gunderson has more than 30 years of experience in electronic product development. He designs charger and battery-protection circuits and develops embedded software for Micro Power Electronics. Email address: dgunderson@micro-power.com Web site: http://www.micro-power.com
2 results found for David Gunderson, displaying items 1 - 2

July 29, 2009 [Power Design]
Keep An Eye On Temperature Trends During Li-ion Battery Charge And Discharge Cycles
Lithium-chemistry batteries are replacing sealed lead-acid (SLA) and nickel metal-hydride (NiMH) types in many fixed and portable applications due to their higher energy storage density relative to both weight and volume. As larger lithium-chemistry batteries are designed, managing the waste heat generated by the ever-higher charge and discharge currents becomes an increasing challenge.

March 13, 2008 [Engineering Essentials]
Stop The Waste In Your Battery-Charger Conversion
Excess energy waste during battery charge is, of course, a bad idea for the environment and poor design practice. In fact, the problem has deepened to the point where it’s now an international regulatory agency issue. Battery-charger efficiency is more challenging to specify and measure than ac-dc power-supply conversion efficiency. It’s usually understood as the amount of energy stored in the battery relative to the energy consumed by the charger during...

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