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MDT Releases TMR Magnetic Angle Sensors for Rotary Encoders

TMR Sensor Technology Enhances New Magnetic Angle Sensors with High Precision and Robust Signal Output for Industrial Rotary Encoders and BLDC Controllers

SAN JOSE, Calif. and ZHANGJIAGANG, Jiangsu, China, April 16, 2012 /PRNewswire/ — MultiDimension Technology Co., Ltd. (MDT) announced two Tunneling Magnetoresistance (TMR) magnetic angle sensors for use in a wide spectrum of industrial sensor applications, including rotary encoders, speed sensors, contactless potentiometers, and rotary position controllers for brushless DC motors (BLDC).

Designed with MDT’s unique TMR sensor technology and intellectual property, the MMA253F/MMA153F TMR magnetic angle sensors feature 360-degree angle measurement, high-amplitude robust output signals, and large air-gap tolerance. MDT’s TMR magnetic angle sensors lower the complexity of the signal processing circuitry.

“We are passionate about offering all the benefits of TMR sensor technology to our customers with multiple service options to best suit their needs,” said Dr. Song Xue, Chairman and CEO of MultiDimension Technology. “In addition to supplying TMR magnetic sensor chips, we are open to delivering entire system solutions upon request. We can custom-design TMR sensor wafers for high-volume customers to integrate with their own ASIC technology.”

Dr. Xue noted that MDT’s new TMR magnetic angle sensors reduce the overall system cost of rotary encoders because of their lower power, high precision, and large stable output signals. They provide a simple solution to integrate with analog or digital circuitry.

MDT’s TMR sensor technology combines the key benefits of existing magnetic sensor technologies such as AMR (Anisotropic Magnetoresistance), GMR (Giant Magnetoresistance), and Hall Effect, while overcoming their limitations, such as low signal sensitivity (Hall, AMR, and GMR), and design complexity for 360-degree measurement (AMR).

Key Features

The MMA253F/MMA153F TMR magnetic sensors are immediately available for sampling. An evaluation toolkit, the MMA253F-EVL, is also available for users to assess the electrical and magnetic characteristics of the MMA253F sensor. The MMA253F-EVL toolkit provides an LCD display, a USB interface, and 12-bit digital outputs that can be used in absolute or incremental rotary encoders.

About MDT
MultiDimension Technology was founded in 2010 in Zhangjiagang, Jiangsu Province, China, with branch offices in Shanghai and San Jose, Calif., USA. MDT has developed a unique intellectual property portfolio, and state-of-the-art manufacturing capabilities that can support volume production of high-performance, low-cost TMR magnetic sensors to satisfy the most demanding application needs. Led by its core management team of elite experts and veterans in magnetic sensor technology and engineering services, MDT is committed to creating added value for its customers and ensuring their success. For more information about MDT please visit http://www.multidimensiontech.com.

Media Contact:

Jinfeng Liu
jinfeng.liu@multidimensiontech.com
Tel: +1-650-275-2318 (US)
Tel: +86-189-3612-1156 (China)

MultiDimension Technology - MDT MMA153F and MMA253F TMR magnetic angle sensors in SOP8 and LGA8 package.
MultiDimension Technology - MDT MMA153F and MMA253F TMR magnetic angle sensors in SOP8 and LGA8 package.
MultiDimension Technology - MDT offers TMR magnetic sensor wafers to volume customers for ASIC integration.
MultiDimension Technology - MDT offers TMR magnetic sensor wafers to volume customers for ASIC integration.
The MDT MMA153F TMR magnetic angle sensor can measure the angular position of a rotating magnet.
The MDT MMA153F TMR magnetic angle sensor can measure the angular position of a rotating magnet.
The MDT MMA253F TMR magnetic angle sensor can be used as rotary position controllers in BLDC.
The MDT MMA253F TMR magnetic angle sensor can be used as rotary position controllers in BLDC.
The MDT MMA253F-EVL evaluation toolkit demonstrates the absolute and incremental rotary encoder functions with the MMA253F TMR magnetic angle sensor.
The MDT MMA253F-EVL evaluation toolkit demonstrates the absolute and incremental rotary encoder functions with the MMA253F TMR magnetic angle sensor.

Related Links

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