Integration Eases Portable Power Management
Jan 1, 2007
System-on-chip devices combining multiple regulators and other functions can simplify portable device designs, but require attention to power dissipation and signal routing issues....
Controllers Take On Complex Power Systems
Oct 1, 2006
Point-of-load (POL) power applications continue to inspire the development of more sophisticated power controllers with greater ability to manage power...
Nichrome Resistors Deliver Reliability at Lower Cost
Aug 1, 2006
An alternative to expensive tantalum nitride
resistors, these precision, moisture-resistant
components can perform voltage division or
setting of gain in power-supply circuits....
Portable Power Management Inspires Mega Integration
Jun 1, 2006
As designers of handheld devices pack greater functionality into their products, requirements for power management have become increasingly complex. Products...
New Products
May 1, 2006
PWM Controller The IR3624 from International Rectifier is a 600-kHz single-phase synchronous buck PWM controller IC designed for high-density, 10-A nonisolated...
Overcoming PCMCIA Power Limits in Modem Designs
May 1, 2006
Demand for wireless network access to support mobile computing requirements is growing at a rapid pace. As a result, the Global System for Mobile Communication...
Powering Passive OLED Displays in Handhelds
Feb 1, 2006
Organic light-emitting diode (OLED) displays are an emerging technology that promise to revolutionize the display industry. Based on organic materials...
New Products: February 2006
Feb 1, 2006
This issue of Power Electronics Technology features battery-charger ICs, rectifiers, thick film resistors and inductors...
Data Points
Feb 1, 2006
IPD Enables Compact Automotive ECUs The uPD166007 intelligent power device (IPD) from NEC Electronics America offers a solid-state alternative to the...
Measuring Input Current of a Buck or Flyback Converter
Nov 1, 2005
When designing converters, it is often desirable to measure the dc current coming into the converter. This is particularly true when batteries are being...
Smart batteries gaining acceptance
Apr 27, 2005
Smart batteries are a topic of growing interest in myriad industries, including automotive, according to Frost & Sullivan Technical Insights research analyst Kasturi Nadkarny.
...
Power Converters for Micro Fuel Cells
Oct 1, 2004
Micro fuel cells have made tremendous strides in the past few years. New materials and fuel-delivery mechanisms have enabled energy density surpassing...
Low-Voltage LDO Regulators Power Portable Gear
Nov 1, 2003
Prompted to efficiently serve the power needs of growing wireless handsets, PDAs, and other handheld electronic products, suppliers of low-voltage low dropout linear regulators are racing to deliver high-performance LDOs with excellent load transient response and stability....
How Long Will My Battery Last with a Boost?
Aug 1, 2003
A boost converter running from a battery can run LEDs longer than simple resistive current limiting, in part because of its ability to get all of the energy out of the battery....
