ON Semiconductor Introduces Efficient Battery Monitors with Industry-Leading Levels of Measurement Precision for Portable Electronics

CMOS battery fuel gauges reduce power consumption, component count, and system costs while delivering highly accurate battery voltage and temperature information

PHOENIX — (BUSINESS WIRE) — March 4, 2014 — ON Semiconductor (Nasdaq: ONNN), driving energy efficient innovations, has introduced a new family of complementary metal-oxide semiconductor (CMOS) "battery fuel gauge" integrated circuits that provide accurate measurements of the remaining power level of one-cell lithium-ion (Li+) batteries commonly used in a wide range of portable electronics such as smartphones, tablets, and digital cameras. The new LC709201F, LC709202F and LC709203F combine high levels of accuracy with the industry’s lowest power consumption for competitive devices performing this function. These devices also reduce component count and system cost, as, unlike competing devices, they do not require a current sensing resistor to effect a solution.

ON Semiconductor’s new battery monitor devices reduce measurement errors to below ± 5 percent (for LC709201F and LC709202F) or below ± 2.8 percent (LC709203F) by employing a unique correction technology to ascertain temperature and voltage. Low current consumption minimizes the drain on battery power, helping to extend time between charging cycles. This is enhanced further on the LC709202F and LC709203F by a sub 0.2 microampere (µA) power saving sleep mode feature. In addition, the LC709203F also has a 2 µA ECO Mode.

Key features of the LC709201F include an I2C interface and communications pin, plus further pins for battery temperature reading control, analog voltage input for battery temperature, reset, test and power supply. The LC709202F and LC709203F add an alert function - which is configurable on the LC709203F - to indicate low relative state of charge (RSOC) and battery voltage and external alarm / interrupt for low battery warning. Additionally, the LC709203F can accommodate any emerging Lithium Ion battery chemistry type by a table rewriting system.

“There is a clear requirement for the most accurate battery level and temperature measurement in portable electronics, where continual notification of remaining life is vital to users,” said Atsushi Bando, general manager of the Digital Solutions division at ON Semiconductor. “Our new family of battery fuel gauges achieves this through the use of unique technology. Additionally, the devices meet the challenging yet common demands from designers of space-constrained portable electronics by delivering a small-sized solution that minimizes overall component count and consumes minimal amounts of precious battery power.”

Packaging and Pricing

The LC709201F and LC709202F are offered in Pb-free VCT-16 packages, and the LC709203F in Pb-free VDFN-8 and WLCSP-9 packages. Pricing for the devices ranges from $0.66 to $2.00 per unit in quantities for 2,000 units.

About ON Semiconductor

ON Semiconductor (Nasdaq: ONNN) is driving energy efficient innovations, empowering design engineers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help customers solve their unique design challenges in automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace and power supply applications. ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, and a network of manufacturing facilities, sales offices and design centers in key markets throughout North America, Europe, and the Asia Pacific regions. For more information, visit http://www.onsemi.com.

ON Semiconductor and the ON Semiconductor logo are registered trademarks of Semiconductor Components Industries, LLC. All other brand and product names appearing in this document are registered trademarks or trademarks of their respective holders. Although the company references its Web site in this news release, such information on the Web site is not to be incorporated herein.



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