AnalogicTech Introduces Compact USB Battery Charger IC10 January 2006
SUNNYVALE, Calif., Jan. 9 -- Advanced Analogic Technologies Incorporated (AnalogicTech) (Nasdaq: AATI), a developer of power management semiconductors for mobile consumer electronic devices, announced today a new, highly integrated battery charger IC designed to operate from USB port inputs. Part of AnalogicTech's rapidly expanding BatteryManager(TM) product family, the AAT3688 features an innovative charge reduction loop that reduces charge time by automatically monitoring the USB port voltage and dynamically adjusting the current while the battery is charging.
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"While a growing number of portable devices are now designed to charge solely off a USB port, it is not a trivial task for designers to determine how much power other functions in the portable device are drawing from the USB source," explained Erik Ogren, Product Marketing Manager for AnalogicTech. "Designers have typically taken an all-or-nothing approach and set arbitrary worst-case current budgets to maintain port integrity and protect the host system. The charge reduction function on the AAT3688 dramatically simplifies this task and allows users to charge faster and more efficiently from the USB port by automatically adjusting for voltage sags and reducing the charge current as other functions on the host device consume more power."
High Integration Level
The compact AAT3688 integrates a charging device, reverse blocking diode, and current sensing circuit in a small 3x3mm TDFN package. Covering a 4V to 5.5V input range, the device is designed to regulate voltage and current for 4.2V lithium ion/polymer battery cells.
Charge current on the AAT3688 can be programmed for two separate levels, USB High and USB Low, between 50mA and 500mA, depending upon port type.
To ensure safety and system reliability, the AAT3688 offers a number of safety features including the ability to monitor battery temperature and charge state for fault conditions. If an over-voltage or over-temperature failure occurs, the device automatically shuts down to protect the charging device, the control system, and the battery under charge. Status monitor output pins can be used to directly drive two external LEDs to indicate battery status. The AAT3688 also includes a serial interface output that reports any one of 14 status states to a microcontroller.
Price and Availability
The AAT3688 is immediately available in a Pb-free, 12-pin, 3x3mm TDFN package. Rated over the -40 degrees C to +85 degrees C temperature range, the AAT3688 sells for $1.09 in 1,000-piece quantities.
About AnalogicTech
Advanced Analogic Technologies Incorporated (AnalogicTech) is a supplier of power management semiconductors for mobile consumer electronic devices, such as wireless handsets, notebook and tablet computers, smartphones, digital cameras, and digital audio players. The company focuses its design and marketing efforts on the application-specific power management needs of consumer, communications, and computing applications in these rapidly evolving devices. AnalogicTech is headquartered in Sunnyvale, California, with offices in Beijing, Hong Kong, Japan, Shanghai, Shenzhen, South Korea, Sweden, and Taiwan, as well as a worldwide network of sales representatives and distributors. For more information, please visit the AnalogicTech website: http://www.analogictech.com. (AnalogicTech - G)
"Safe Harbor" Statement Under the Private Securities Litigation Reform Act of 1995
Statements contained in this release that are not historical facts are forward-looking statements, as that term is defined in the Private Securities Litigation Reform Act of 1995. Forward-looking statements, including financial projections and forecasts, involve risks and uncertainties that could cause AnalogicTech's actual results to differ materially from our current expectations. Factors that could cause AnalogicTech's results to differ materially from those set forth in these forward-looking statements include customers' cancellation or modification of their orders; our failure to accurately forecast demand for our products; the loss of, or a significant reduction in orders from, any of our significant customers; fluctuations in our operating results; our inability to develop and sell new products; defects in or failures of our products; the expense and uncertainty involved in our customer design-win efforts; the financial viability of the distributors of our products; consumer demand for cellular phones and other mobile consumer electronic devices; worldwide economic and political conditions, particularly in Asia; fluctuations in our costs to manufacture our products; our reliance on third parties to manufacture, test, assemble and ship our products; our ability to retain and attract key personnel; our ability to compete with our competitors; and our ability to protect our intellectual property rights and not infringe the intellectual property rights of others. Other factors that may cause our actual results to differ from those set forth in the forward- looking statements contained in this press release and that may affect our prospects in general are described in our filings with the Securities and Exchange Commission, including our Registration Statement on Form S-1 related to our initial public offering. AnalogicTech undertakes no obligation to update or revise forward-looking statements to reflect subsequent events or changed assumptions or circumstances.
NOTE: AnalogicTech and the AnalogicTech logo are trademarks of Advanced Analogic Technologies Incorporated. All other brand and product names appearing in this document are registered trademarks or trademarks of their respective holders.
Source: prnewswire
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