INGATE

From The Sip Trunking Experts

TMCNet:  New Battery

[February 14, 2013]

New Battery "Fuel Gauge" IC from STMicroelectronics Gives Reliable Runtimes for Mobile Users

(Thomson Reuters ONE Via Acquire Media NewsEdge) Innovative state-of-charge calculator maintains accurate fuel gauging with battery age and usage Geneva, February 14, 2013 - STMicroelectronics (NYSE: STM), a global semiconductor leader supplying customers across the spectrum of electronics applications and a leading manufacturer of standard ICs, has unveiled its latest battery fuel-gauging device featuring patented innovations that improve long- term accuracy. This tiny chip, the STC3115, can be used in high-volume handheld electronics, and has already been selected by Samsung for some of its recent smartphones. Battery charge indicators - or fuel gauges - have become essential for managing devices such as smartphones, laptops or digital cameras. Accurate "time-remaining" predictions enhance the user's experience, and can be critical in certain types of portable electronics such as medical devices. Even so, many of today's fuel-gauging electronics are susceptible to errors caused by battery aging, reduced charging efficiency, leakage, variations in system power demand, and temperature effects.


To enhance fuel-gauging accuracy, ST has combined several important advances in its latest adaptive fuel-gauge IC, the STC3115. Until now, leading devices have used Coulomb counting to monitor energy entering and leaving the battery, and periodic voltage-mode state-of-charge measurements to adjust the Coulomb counter for accuracy. The STC3115 uses both sets of measurements continuously, with OptimGauge(TM), an adaptive algorithm that tracks the state of charge and corrects the battery model.

The STC3115 further enhances accuracy by measuring true initial battery open- circuit voltage and preventing measurement disruptions when connecting the charger or launching an app. The charging inhibitor is a patented feature that significantly improves accuracy. Aging and temperature compensation are built in, and the voltage measurement accuracy is 0.25%.

Additional value-added features of the new IC include a low-power mode that reduces operating current to only 0.45µA while continuing to monitor the battery, and a 2µA standby mode. An Under-Voltage Lockout (UVLO) filter prevents short-term fluctuations in battery voltage from causing unwanted system resets.

In addition, the STC3115 saves bill-of-materials costs by operating directly from the battery voltage without requiring its own voltage regulator.

Key features of STC3115: * The OptimGauge algorithm, which adjusts the battery charge/discharge model over the battery's life * Industry-standard I2C connection to application processor * Programmable with different battery profiles at manufacture, for flexibility * Monitors batteries up to 4.5V * Monitors multi-cell packs when used with TS941ILT low-power buffer * Dedicated "battery-present" input simplifies battery replacement * Dedicated alarm output, activated if battery voltage falls below threshold level The STC3115 is in full production in a 1.4 x 2.0mm chip-scale package, priced from $.95 in quantities of 1,000 pieces. If your company has high-volume requirements please contact your local ST sales office.

About STMicroelectronics ST is a global leader in the semiconductor market serving customers across the spectrum of sense and power and automotive products and embedded processing solutions. From energy management and savings to trust and data security, from healthcare and wellness to smart consumer devices, in the home, car and office, at work and at play, ST is found everywhere microelectronics make a positive and innovative contribution to people's life. By getting more from technology to get more from life, ST stands for life.augmented.

In 2012, the Company's net revenues were $8.49 billion. Further information on ST can be found at www.st.com.

For Press Information Contact: STMicroelectronics Michael Markowitz Director Technical Media Relations +1 781 591 0354 michael.markowitz@st.com Battery Fuel Gauge from ST: http://hugin.info/152740/R/1678249/547678.pdf Battery Fuel Gauge from ST_IMAGE: http://hugin.info/152740/R/1678249/547679.jpg This announcement is distributed by Thomson Reuters on behalf of Thomson Reuters clients. The owner of this announcement warrants that: (i) the releases contained herein are protected by copyright and other applicable laws; and (ii) they are solely responsible for the content, accuracy and originality of the information contained therein.

Source: STMicroelectronics via Thomson Reuters ONE [HUG#1678249]

[ Back To SIP Trunking Home's Homepage ]

Loading
Subscribe here for your FREE
SIP TRUNKING enewslettter.

Featured Partner


Featured Whitepapers

SIP Security for the Enterprise
Voice over IP (VoIP) is incorporated into a variety of computer networks, both public and private, and used for everyday transactions and communications among carriers, businesses, government agencies...

Making A Broadband Purchase Decision
Businesses today have many options for broadband connectivity. Clarifying your particular business needs prior to selecting a broadband provider will ensure an optimal match of broadband service to your requirements.

Voice-Optimized Network Delivers Premier Call Experience
Customers equate call quality with business quality. Real-time communication, interpersonal interaction, and the cordial tone of a call center representative can create a positive impression of your business that no email can match.

Featured Case Studies

Business Telecom Expenses Reduced 50%
A small to medium sized company in the midwest was interested in migrating to IP Communications, but in today's economy, they were hesitant to upgrade their communication system due to their perception that the cost would outweigh the benefits.

Multi-State Company Cuts Telecom Costs 50%
A multi-site, multi-state company with extensive monthly long distance fees and toll-free charges did not have adequate broadband for Broadvox SIP Trunking requirements, nor did they have a SIP enabled telephone system.

Discover Leisure Connects Remote Users to its IP-PBX
Discover Leisure is one of the largest resellers of caravans and motor homes in the UK. With 15 branch of?ces all over the country, the company spent a great deal of money every month just on internal phone calls.

Featured eBOOKS

Internet+: The Way Toward Global Unified Communication
Connecting the telephony of the enterprise PBX or Unified Communications (UC) system using SIP trunks instead of conventional telephone lines has been very successful in recent years.

What is SIP Trunking? Edition 2
SIP trunking is becoming more of a focus for service providers. One key issue many service providers face when deploying SIP trunks is NAT, or Network Address Translation, traversal.

What is SIP Trunking? Edition 1
A vast resource for information about all things SIP - including SIP, security, VoIP, SIP trunking and Unified Communications.

Featured Videos

Broadvox VAR Testimonial VAR 1:
Part 1 of the VAR (Value Added Reseller) Partner Program Testimonials for Broadvox...

E-SBCs AS The Demarcation Point:
Ingate's Steve Johnson talks to Erik Linask about the role session border controller plays as the demarcation point at...

Demystifying DPI
How can deep packet inspection protect your SIP traffic as well as your entire network?

Featured Resources

Partner Program Overview:
Over 4,000 VARs, Master Agents, Solution Providers, and Independent IT Professionals trust Broadvox. We offer customized services and solutions to fit seamlessly into any company's business model. And when you partner with Broadvox, every member of our team stands behind you and your customers 100%...

SIP Trunk UC Summit

What's New

Presenting the New Ingate/Intertex Website:
Internet+ is an extended Internet access allowing high quality SIP (Session Initiation Protocol) based real-time person-to-person communication, everywhere and for any application. It applies to both fixed and mobile networks ...

Featured Blogs

Featured Webinars

Secure SIP Trunking:
What You Need to Know

Successfully Deploying Enterprise SIP Trunking:
Tools and Techniques for Overcoming Common Roadblocks

Featured Podcasts

Getting the Most Out of Your SIP Trunks:
Ingate's Steve Johnson and TMC's Erik Linask discuss how best practices forgetting the most out of SIP Trunking services and common pitfalls to avoid.

Featured Datasheets

Ingate SIParator E-SBCs
Adopting SIP is a simple process with the Ingate SIParator, the secure enterprise session border controller (E-SBC). The SIParator makes secure SIP communications - including VoIP,SIP trunking and more - possible while working seamlessly with your existing network firewall.

Ingate Firewalls
Everyone is talking about enterprise usage of VoIP, instant messaging and other types of realtime communications including presence and conferencing.

SIP Trunk Solutions for Service Providers
The award-winning Ingate Firewall and Ingate SIParator deliver a high quality, reliable SIP trunk connection between the customer's IP-PBX and the service provider network, and solve interoperability issues to simplify deployments and support for remote diagnosis of reported issues.