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Milpitas, CA., May 04, 2023 — Crocus Technology, a leading provider of TMR sensors, today announced  the release of the CT130, a 1-D linear TMR sensor that is sensitive in the Z axis. The CT130 is a  revolutionary product that provides unparalleled temperature stability, high accuracy and precision for  position and current sensing applications. 

The CT130 from Crocus Technology is the world’s first true TMR sensor with Z-axis sensitivity,  providing the same axis of sensitivity as Hall solutions. The CT130 is a Hall-compatible TMR sensor  with all the benefits of TMR, such as higher SNR, better temperature stability, high linearity, low power  consumption, and better cost based on more compact designs.  

The CT130 sensor features a planar monolithic chip  

design. It is not vertically mounted and does not  

require a flux concentrator, resulting in a small  

vertical footprint with standard packaging. This  

innovative design eliminates hysteresis or the need  

for a reset function, making it a more efficient and  

reliable solution. With the CT130, Crocus has  

specifically engineered the sense and fixed layers to  

discern an out-of-plane magnetic field – making the  

CT130 a ‘true’ TMR z-axis sensor. 

With the CT130, customers will no longer have to  

make mechanical axis-orientation design changes to  

switch from a Hall-based position sensor design, 

making it easy and cost-effective for customer design  

changes to benefit from TMR performance  


The CT130 is engineered for 1-D linear sensing in  

the Z axis and is compatible with Crocus Technology’s standard manufacturing process, making it  suitable for high-volume applications. The CT130 also supports a wide operating voltage range of 1.0 V to 5.5 V, making it an ideal choice for various applications. 

In position sensors, the axis of sensitivity is critical as customers’ systems are already built with magnets  placed in specific locations to trigger the sensor. When a customer approaches Crocus with design issues related to temperature or performance, currently, they are required to change their mechanical design to  

accommodate the new sensor, which can be a significant hurdle. The CT130 solves this issue by allowing  customers to switch from a Hall-based position sensor design to Crocus CT130 without making  substantial changes to their designs, which makes it a more cost-effective option than Hall. 

Current sensors enable passive measurement of current without interrupting the circuit by placing them  close to the conductor of interest. These sensors have a wide range of applications, including 

commutating brushless motors, measuring wheel, crank, and transmission speeds, detecting objects for  automated functions such as door closing and window lifting and various current sensing applications  such as leakage or residual current sensing or inverter designs for electric vehicles. 

In applications requiring optical stabilization, such as camera modules, the CT130’s high sensitivity,  lower power consumption, lower temp drift, and no hysteresis will provide optimal performance over  legacy Hall technology. Another benefit is the CT130’s fast response time, which significantly improves lens adjustment speed, thereby improving image stabilization in handheld devices. 

“CT130 is a technological leap in TMR  technology,” said President and CEO Zack Deiri.  “It enables TMR performance with the axis of  sensitivity of Hall, reduces friction for customer  design change, and is a more capable replacement  for Hall-element sensor designs in position and  current sensing.” “The CT130 is a testament to Crocus’s continued  TMR innovation,” added Deiri. “It delivers high  linearity, low power, and better cost in a more compact design, making it a game-changer for  current and position sensing applications.” 

For more information on the CT130, please visit  Crocus Technology’s website. 

About Crocus 

Crocus Technology is a global leader in providing  advanced TMR sensor technology solutions to leading designers and manufacturers of industrial,  automotive and consumer electronics. We are the developer of XtremeSense TMR advanced sensor  technology that provides the highest sensitivity, the lowest power consumption and smallest size by  comparison to other dated magnetic technologies such as Hall, AMR and GMR. Founded in 2006, we are  a privately held, VC-backed company. With over 300 patents issued and more than 150 pending, Crocus Technology is a global leader in the advanced TMR sensor market. We are headquartered in Milpitas,  California, with an R&D facility in Grenoble, France.


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