Embedded.com Tech Focus Newsletter (10-20-14): Battery management in untethered connected designs - Embedded.com

Embedded.com Tech Focus Newsletter (10-20-14): Battery management in untethered connected designs

October 20, 2014

Battery management in untethered connected designs

More effective ways to manage power resources are needed for untethered embedded and mobile and wireless devices designed to operate using internal batteries, independent of external energy sources.

Managing the rechargeable batteries in your embedded/mobile design with BIF

How implementation of the MIPI Alliance Battery Interface (BIF) specification will make management of rechargeable batteries in untethered embedded, mobile, or wireless sensor design much simpler.

Mobile battery management gets easier with MIPI BIF upgrade

The MIPI Alliance released updates to its Battery Interface Specification (BIF) for mobile devices, which is designed to make it easier for mobile and wireless device developers to incorporate smart battery management features .

Maximize the battery life of your embedded platform

Power-efficient chip and board design techniques are now available as are synthesis tools for clock gating, state retention power gating, and dynamic voltage/frequency scaling. But software needs to be integrated effectively to take full advantage of the hardware

End-user driven power saving management in Android devices

A framework for battery management on Android devices, called EXPoSE (Extending Power Saving control to End-users), is described that aims to improve mobile platform energy efficiency by considering end-users demands.

Energy Management on an Android Phone Using Bayesian Networks

A context-aware battery management system for use on a LG Optimus 2X Android phone that infers a user’s situation in relation to amount of power remaining by means of probabilistic Bayseian network models.

Snooze: Energy Management in 802.11n WLANs

An energy management system for 802.11n WLANs that adapts client sleep durations and antenna configuration to traffic entering and leaving the WLAN in order to achieve energy, and battery saving.

Virtual Battery: A testing tool for power-aware software management

Virtual Battery, a battery emulation layer that makes use of a virtual machine monitor hypervisor, that can be used with any ACPI-compliant operating system such as Linux to allow power and battery system monitoring and management.

Effective battery management system design

Available battery-fuel-gauge products have challenges and limitations, especially when applied to battery management. Here are some tios for developers designing both portable devices and the batteries to power them.

Emerging techniques for long lived wireless sensor networks

A review of various approaches to powering long lived sensors networks and a description of a heterogeneous multiprocessor sensor-node architecture with staged wake up.

Using batteries wisely

How to characterize and model the batteries used in wireless sensor networks and design applications that take battery internals into consideration.

Optimizing embedded software for power efficiency: Part 1 – measuring power

First in a series on managing your embedded software design’s power requirements.

Software: the last frontier for ultra-low-power MCU performance

The importance of efficient, well-written software when programming ultra-low-power micrcontrollers, especially in battery-based applications which drain 100 times faster if the firmware is not written for ultra-low-power efficiency.

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