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SemiApps Home » System Functions » Power Management » Battery Management Jan 6, 2009
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BATTERY MANAGEMENT: Overview
There are three main components to battery management: Charge Management - Charge management ICs integrate all functionality required to safely charge & rechargeable batteries to maximize capacity and minimize charge time. Battery Fuel Gauging - Battery fuel gauge ICs allow the system to acquire the exact state of battery charge. Battery Protection - Li-Ion battery packs need protection from overcharge or over discharge conditions.

BATTERY MANAGEMENT: News

AnalogicTech's Battery Charger IC Dynamically Manages System Load and Charging

Analogic announced the AAT3672, a highly integrated, single-cell Lithium-ion (Li-on)/polymer battery charger and system management IC. Using an innovative three-switch architecture, the dual path...  >>  

2-Wire Stand-Alone Fuel Gauge Accurately Reports Remaining Battery Capacity Without Learn Cycle

Dallas Semiconductor, a wholly owned subsidiary of Maxim Integrated Products has introduced the DS2786 stand-alone, open-circuit-voltage (OCV) based fuel gauge. The DS2786 estimates the available...  >>  

Digitally Programmable 1A Switch-Mode USB/AC Li-Ion Charger IC Sets Records for Charge Time, Power Dissipation and Size

Summit Microelectronics has announced the first product in a family of Programmable Li-Ion Charger IC’s aimed at the latest portable consumer applications. Specially designed to operate with...  >>  

Summit SMB137: I²C Programmable 1.5A USB/AC Li-Ion Charger and Input/Output Power Manager Solves Tough Portable Power Challenges

Summit Microelectronics expands its family of Programmable Battery Charger integrated circuits (ICs) with the introduction of the SMB137. Specifically designed for feature-packed mobile consumer...  >>  

Semtech Debuts Miniature Battery Chargers

Semtech Corp. (Nasdaq: SMTC), a leading supplier of analog and mixed-signal semiconductors for communications, portable devices, computers, and industrial equipment, has announced the SC805 and...  >>  

Freescale's power management chip packs powerful punch for mobile devices

Freescale Semiconductor (NYSE:FSL, FSL.B) is meeting the increasing demands to power new features in today's smart mobile devices with the introduction of the world's most highly integrated...  >>  

Microchip Technology Announces 2 MHz Pulse-Width Modulator (PWM)

Microchip Technology Inc., has announced the MCP1631 2.0 MHz, high-speed Pulse Width Modulator (PWM). The highly integrated device contains a 1 Ampere (A) integrated MOSFET driver, high-speed...  >>  

[MORE NEWS ABOUT BATTERY MANAGEMENT]
BATTERY MANAGEMENT: Blogs

Meeting the Changing Power Needs of Evolving Portable Systems

By Bill Weiss, Advanced Analogic Technologies Inc. (AnalogicTech) Over the last several years portable system designers have increasingly used large, highly integrated Power Management Units...  >>  

[MORE BLOGS ABOUT BATTERY MANAGEMENT]
BATTERY MANAGEMENT: Semiconductor Solutions

Portables

IR power management products for notebook computers and portable electronics such as mobile phones and personal data assistants (PDAs) are designed to maximize power density and deliver the highest... [from International Rectifier]  >>  

Battery Management Overview

Maxim/Dallas provides battery selectors, battery chargers, fuel gauges, and protection ICs for notebook computers, digital cameras, cell phones, PDAs-and anything else that demands top performance... [from Maxim]  >>  

TMS320F2803x/2x Piccolo MCUs -- real-time control for greater energy efficiency to cost sensitive applications

Piccolo MCUs, the new F2803x/2x devices feature architectural advancements and enhanced peripherals in packages from 38-pins to bring the benefits of 32-bit real-time control to applications... [from Texas Instruments]  >>  

Power Management Solutions

Intersil is a recognized global leader in power management solutions, offering a broad portfolio of products that simplify a variety of power designs. Intersil’s family of power management... [from Intersil]  >>  

Battery Management

Linear Technology manufactures a comprehensive line of high performance battery chargers for any rechargeable battery chemistry, including Lithium-Ion, Lead Acid, and Nickel based. [from Linear Technology]  >>  

Battery Fuel Gauges

Battery Fuel Gauges: Parametric Table [from Texas Instruments]  >>  

[MORE SEMICONDUCTOR SOLUTIONS ABOUT BATTERY MANAGEMENT]
BATTERY MANAGEMENT: Application Resources

AN-5055 Portability and Ultra Low Power TinyLogic

With the advent of Fairchild Semiconductor's ULP (Ultra Low Power) TinyLogic family, a new level of low power performance is possible for designs requiring optimal portability. The ULP family...  >>  

Battery Management

• Battery Chargers • Battery Protection • Battery Selectors • Fuel-Gauge Circuits  >>  

Characterizing a Li+ Cell for Use With a Fuel Gauge

An accurate battery fuel gauge relies on knowing several characteristics about the battery behavior under differing environmental and operating conditions. To gather this needed information, the...  >>  

Powering organic LEDs

Organic light emitting diodes (OLEDs) are poised to break out well beyond their primary applications in cell phone sub-displays over the next several years. According to DisplayBank, a South Korean...  >>  

Off-line Li-Ion battery charger

This application note describes how to use Philips 8-bit P89LPC916 in designing an off-line Li-ion battery charger, with the characteristics of safe charging, time efficiency and small package....  >>  

Some new trends in battery-powered portable devices

The year 2006 turned out to be stellar for the shipment of battery-powered portable electronic devices. Last year, consumers bought over 950 million cell phones, 220 million notebooks, 140 million...  >>  

Ultra Portable Solution Design Guide

In this design reference guide you will find solutions by application and function as well as a list of our new products for ultra-portable market. A list of application notes is included at the...  >>  

Fairchild's FAN4800 Power Factor Correction (PFC) and PWM Controller Combo

The FAN4800 is a controller for power-factor-corrected, switched-mode power supplies.  >>  

Li-ion battery-charging considerations

Lithium-ion (Li-ion) chemistry has evolved as the battery chemistry of choice for many portable applications. However, design engineers face increased challenges to charge these batteries fast,...  >>  

Convergent Designs Demand Smarter Battery Charging

Over the last year, feature integration in portable consumer electronic devices has become a dominant market trend. Convergent products mixing computing, consumer, and communication functionality...  >>  

Considering ultracapacitors, batteries, and fuel cells

The challenge for power systems designers is to make the most of the technologies available in a system that manages energy storage and power delivery as two complementary requirements.  >>  

Achieving Low Power in 65-nm Cyclone III FPGAs

With the introduction of the 65-nm Cyclone® III family, Altera continues to deliver greater capabilities to designers of cost-sensitive high-volume applications. The move to the 65-nm process...  >>  

[MORE APPLICATION RESOURCES ABOUT BATTERY MANAGEMENT]
BATTERY MANAGEMENT: Reference Designs

Design Idea for 5 W Charger/Adapter

Design Idea 158 showcases a design for a 5 W universal input, constant voltage/constant current (CV/CC) charger using LinkSwitch-II. This design is useful for battery chargers for cell phones, USB...  >>  

National Semiconductor Introduces Six PowerWise Energy-Efficient Subsystem Reference Designs

Six new PowerWise reference designs from National Semiconductor Corp. empower design engineers to speed through the design process, delivering products that consume less power, extend battery life...  >>  

TI unveils industry's thinnest 500-mA power converter solution

Giving portable designers the ability to add more features and functions on a handheld device, Texas Instruments announced the industry's smallest and thinnest 500-mA, step-down DC/DC converter...  >>  

Z8 Encore! Based AA Type NiMH and NiCd Battery Charger

This reference design demonstrates AA type NiMH and NiCd battery charger using 28-pin Z8 Encore!® 8K Series MCU. The battery status information and battery type selection are controlled by the...  >>  

MCP1630 Li-Ion Multi Bay Battery Charger Reference Design

The MCP1630 Multi-Bay Li-Ion Charger is used to evaluate Microchip’s MCP1630 used in a SEPIC power converter application