sleep state power budgets

Automobile electronics seek to plug power leaks

sleep-state-power budgets for the accessories and subsystems, Tony Richardson, product-marketing manager of the power-products group at Linear Technology, estimates that [a constant drain of] 20 to 50 mA per day is a good range. Network architectures... EDN Asia
Automotive

Managing high-voltage lithium-ion batteries in HEVs

Skyrocketing energy prices and the growing concern over carbon emissions have focused attention on electric and hybrid-electric vehicles. New lithium-battery designs will be key technologies for efficient EVs and HEVs. External Source

Atmel introduces 800/900 MHz IEEE 802.15.4 compliant transceiver for ZigBee

Atmel Corporation has announced the availability of the AT86RF212 800/900 MHz IEEE 802.15.4 RF transceiver for low power wireless applications, including ZigBee. The AT86RF212 offers an industry best RF performance with a link budget of up to120 ... EDN Asia
Communication Functions

Run for your life:Ultralow-power systems designed for the long haul

The needs of portable consumer devices have until recently driven low-power design methods for electronic systems. In these devices, the power source is usually a lightweight battery, and the need to fit into a pocket or briefcase dictates limits ... EDN Asia
Power Sources / Controllers

Reducing power consumption in battery-powered applications

Automotive-electronics content is expanding at an ever-increasing pace. Today, an average car has 25 to 35 microcontrollers; approximately half of those are 8-bit units. High-end vehicles can easily have 80 or more microcontrollers. With rising energy ... EDN Asia
Automotive

Squeeze play: Wring the power out of your design

Lower system-power dissipation is not a design constraint just for battery-powered applications; it is also a primary concern for many high-performance wired systems. The processor or processors you use in an embedded design may represent a relatively ... EDN Asia
EDA Tools and IP Cores - Power Sources / Controllers

Managing high-voltage lithium-ion batteries in HEVs

Safely getting the most energy and lifetime from a lithium cell requires some sophisticated electronics. One requirement, for example, is the ability to measure the voltage across every 3.7V battery cell in a stack of 100 series-connected cells. How ... EDN Asia
Power Sources / Controllers

Bidirectional Communication with Self-Powered Wireless Sensor Technology

Self-powered wireless sensors harvest the energy they require from the process being monitored or the surrounding environment, instead of using line power or a battery. They enable intelligent buildings to adjust automatically to environmental fluctuations, ... Wireless Design & Development Asia (WDD Asia)
Components - Semis/ICs/Mmics

Design Challenges of Portable Medical Monitoring Systems

Government and medical organizations are driving to put patients more in control of their health care today. To allow patients more time in the home versus hospitals or doctors' offices, the medical industry is leveraging portable, remotely linked medical ... Wireless Design & Development Asia (WDD Asia)
Components - Digital Hardware/components - Integrated components - Integrated subsystems - Interface/interconect - Power - Semis/ICs/Mmics - Signal Processing - Transmission Components - Wireless Protocols

Beyond 30-second Spots

These are fickle times we live in. Consumers are no longer confined to any one medium of information; neither are they averse to switching from one info source to another at the slightest whim. For this reason, marketing professionals in the new media ... OnScreenAsia
Production

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