Absolute Rotary Encoder utilizes TMR sensor technology.

Press Release Summary:

Featuring Tunneling Magnetoresistance sensor technology, Model TMR3101 provides 360° contactless measurement for motor control, rotary position, and speed sensing in robotics, drones, smart meters, and liquid level meters. Digital magnetic encoder offers 10-bit continuous absolute mode output at 3,000 rpm or 1024-line incremental mode at 10,000 rpm. Housed in 5 x 5 x 0.9 mm LGA package, device operates from -40 to +125°C and is user-programmable through 4-wire SPI interface.

Original Press Release:

MDT Announces TMR3101 Absolute Rotary Encoder

TMR Sensor Technology Achieves High-speed Operation, High Reliability, Outstanding Jitter Tolerance for Motor Control and Speed Sensing Applications

SAN JOSE, California and ZHANGJIAGANG, China, -- MultiDimension Technology Co., Ltd. (MDT) announced TMR3101, the first digital magnetic rotary encoder featuring Tunneling Magnetoresistance (TMR) sensor technology. The TMR3101 is a 10-bit high-speed rotary encoder with multiple absolute and incremental output interfaces. It is an ideal choice for motor control, rotary position and speed sensing applications including robotics, drones, smart meters, liquid level meters, smart door switches, and electrical toys, offering users enhanced ROI with accurate angular position measurement and relaxed requirement for the design of the magnet and mechanical structure.

"MDT's new TMR3101 is the first digital absolute magnetic encoder product available on the market based on TMR technology. The TMR3101 offers new alternatives to existing magnetic encoder products with high reliability and outstanding jitter and air-gap tolerance, thanks to the unique technical advantages of our TMR technology. Based on MDT's in-depth expertise in design and manufacturing of TMR sensors along with a strong IP portfolio, we are fully committed to provide greater value to customers. We offer a comprehensive set of product and service options, including TMR sensors in standard packages, wafers or bare-dice, custom package or module design services, or application solutions," said Dr. Song Xue, President and CEO of MultiDimension Technology.

Key Features of TMR3101

360-degree contactless measurement

Enhanced versatility in multiple high-speed output interfaces SPI/PWM/ABI/UVW/PDI, with 10-bit continuous absolute mode output at 3000 RPM, or 1024-line incremental mode at 10000 RPM

User programmable through the 4-wire SPI interface

Pulse width variation less than 10%

Large operating range allowing relaxed tolerance of air-gap or mechanical jitter

Fine resolution at 0.35 degree

Operating temperature from -40 to +125 degrees Celsius

Compact LGA package in 5x5x0.9mm

MDT's TMR technology realizes the key benefits of existing magnetic sensor technologies including Hall Effect, AMR (Anisotropic Magnetoresistance) and GMR (Giant Magnetoresistance), while adding the high sensitivity, high resolution, low power, and excellent thermal stability inherent in TMR technology. MDT offers all advantages of the TMR sensor technology to the commercial sensor market in a growing product portfolio, including TMR angle sensors, TMR magnetic switches, TMR linear magnetic field sensors, TMR gear tooth sensors, and TMR magnetic image sensors.

About MDT

MultiDimension Technology was founded in 2010 in Zhangjiagang, Jiangsu Province, China, with branch offices in Shanghai, Chengdu, Ningbo, China 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 Contacts

Jinfeng Liu, jinfeng.liu@multidimensiontech.com,

Tel: +1-650-275-2318 (US), +86-189-3612-1156 (China)

Jilie Wei, kevin.wei@multidimensiontech.com,

Tel: +86-189-3612-1160 (China)

Web Site: http://www.multidimensiontech.com

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