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News, technical papers and application notes on power supply design and power management.
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Basic Electrical Technology: Lecture 15 - Power Factor

Watch this video to learn how to calculate the power factor of any load for a given source voltage. This lecture is conducted by Prof. L. Umanand, Principal Research Scientist of Power Electronics Group-IISc Bangalore.

Power Conversion/Management
Improve motor precision, power efficiency

Improve motor precision, power efficiency

Continued innovation and integration of MCU architectures enable today's developers to cost-effectively improve motor precision, performance, power efficiency and motor life.

Industrial
Industrial apps reap benefits from PFC device

Industrial apps reap benefits from PFC device

This article explains the different power types that an electricity meter measures, power factor and power factors' implications on power measurement.

Power Test
Measuring multi-core performance, power efficiency

Measuring multi-core performance, power efficiency

Power management has often used the speed/power ratio metric (Mhz per Watt) as a measure of performance/power efficiency.

Green Tech
Attaining energy efficiency with motors

Attaining energy efficiency with motors

By dedicating ourselves to maximising energy efficiency, we can significantly cut the costs of operating the standard electric appliances we all use.

Portable Power
Understanding USB port charging (Part 2)

Understanding USB port charging (Part 2)

With consumer demands for fewer cords to power and connect their devices, many current handheld devices are required to charge from USB sources and AC-wall adapters.

Tech Talk

Just 8MW solar power installed during '09-10

Elusive 2020 target for solar power

V. Nanda shares: "The Indian government just announced that they have achieved about 2.33GW of grid-interactive renewable energy during 2009-10.That target of 20GW solar power by 2020 is looking increasingly elusive at this pace..."

                 

discuss

CFLs with improved PF

CFLs with improved PF

Ram Anant explains: "Enhanced PF can be achieved in many ways. Larger low frequency input inductor may give you the PF of 0.85-0.9..."

                 

discuss

Market Watch
Qualcomm connects ECOtality charging stationsQualcomm connects ECOtality charging stations
Qualcomm will implement cellular tech into ECOTality's charging stations.
Datasheets

Looking for parts to specify for your design project? Browse our library of datasheets NOW!

  • 1N5335BG 5 Watt SUR40 Zener Voltage Regulators 3.9 V
  • BQ24740 Host-controlled Multi-chemistry Battery Charger with Low Input Power Detect (Rev. A)

more datasheets...

Low-Power Design

Early power analysis with CPF

Learn how PowerTheater utilises Common Power Format to help users develop power-efficient designs.

 
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