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New Low Power Digital Accelerometer Offers Industry Leading Stability & Performance



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Willow Technologies Limited announces the Kionix KXCJ9 Low Power Digital Accelerometer, featuring a new MEMS sense element and up to 14-bit resolution.

Low-power, low-cost, low-noise, the KXCJ9 micro-electromechanical systems (MEMS) accelerometer, with a novel tri-axis sense element, is pin-to-pin compatible with Kionix’s popular KXTI9 and KXTF9 devices.

The new sense element represents an evolution of Kionix’s leading MEMS technology. Designed and produced in Kionix’s newly expanded fab, it provides excellent performance over temperature, in shock tests and in reflow. These attributes combine to produce a new level of device stability for today’s high-volume consumer electronics markets.

“Said Martin Pearce, Marketing Director, at Willow Technologies Limited, “The KXCJ9 offers customers unmatched quality and functionality at an affordable price. Our customers are facing intense pressures to pack more functionality into more power efficient, less expensive products. The KXCJ9 has been designed to hit these performance-power-price benchmarks - without sacrificing features.”

The KXCJ9 is a feature-rich product, with an internal voltage regulator that maintains constant internal operating voltages over its 1.8 - 3.6V range of input supply, resulting in stable operating characteristics and virtually undetectable ratio metric error. It has a user-configurable wake-up function, which lets customers conserve battery power and low current consumption in all modes: 2μA in standby, 10μA at low resolution and 135μA at high resolution.

It also features user-selectable g ranges of ±2, ±4 or ±8g, as well as user-selectable Output Data Rate (ODR). Communication on the I2C digital serial interface bus, for easy system integration, both eliminates analogue-to-digital converter requirements and provides direct communication with system microcontrollers. It has accelerometer outputs with up to 14-bit resolution for greater precision.


The KXCJ9 is now sampling to qualified customers. It is available in a 3 x 3 x 0.9mm, 10-pin, LGA plastic package.

“Combining high performance, reduced active and passive power consumption and unmatched stability, the KXCJ9 promises to be the “go-to” part for consumer electronics manufacturers in high-volume markets”, concludes Pearce.

Editor Information


Willow Technologies Limited, founded in 1989, provides solutions to customers by designing, manufacturing and supplying components and systems to the electrical and electronic marketplace across the globe. Specialists in switching, sensing, resistive and hermetic seal solutions, the company has a wide portfolio of technologies and over 100 years of application experience. With an in-house engineering capability and a production facility for rapid prototyping of custom parts, the company is well equipped to develop products matching customer specific application requirements. Willow is ISO9001: 2008 Registered.

For further information please contact:

Martin Pearce, This e-mail address is being protected from spambots. You need JavaScript enabled to view it , +44 (0) 1342 717102.

Willow Technologies Ltd. Unit 3 Borers Yard, Borers Arms Road, Copthorne, West Sussex, RH10 3LH, UK

Tel: +44 (0) 1342 717102, Fax: +44 (0) 1342 717014, Email:

CORPORATE: Solid State Group

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