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description=Allegro’s new cutting-edge tunneling magnetoresistance (TMR) effect technology combined with the company’s vertical Hall technology (VHT) offers designers superior heterogeneous redundant sensor solutions that deliver industry-leading accuracy for advanced levels of automation in the automotive and robotic industries.;
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tralia austria azerbaijan bahamas bahrain bangladesh barbados belarus belgium belize benin bermuda bhutan bolivia bosnia and herzegovina botswana bouvet island brazil british indian ocean territory british virgin islands brunei bulgaria burkina faso burundi cambodia cameroon canada cape verde caribbean netherlands cayman islands central african republic chad chile china christmas island cocos keeling islands colombia comoros cook islands costa rica croatia cuba curaçao cyprus czechia denmark djibouti dominica dominican republic dr congo ecuador egypt el salvador equatorial guinea eritrea estonia eswatini ethiopia falkland islands faroe islands fiji finland france french guiana french polynesia french southern and antarctic lands gabon gambia georgia germany ghana gibraltar greece greenland grenada guadeloupe guam guatemala guernsey guinea guinea bissau guyana haiti heard island and mcdonald islands honduras hong kong hungary iceland india indonesia iran iraq ireland isle of man israel 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slovakia slovenia solomon islands somalia south africa south georgia south korea south sudan spain sri lanka sudan suriname svalbard and jan mayen sweden switzerland syria taiwan tajikistan tanzania thailand timor leste togo tokelau tonga trinidad and tobago tunisia turkey turkmenistan turks and caicos islands tuvalu uganda ukraine united arab emirates united kingdom united states united states minor outlying islands united states virgin islands uruguay uzbekistan vanuatu vatican city venezuela vietnam wallis and futuna western sahara yemen zambia zimbabwe state province state province postal zip code inquiry type inquiry type general inquiries technical support comments stay informed about allegro news events and offers you can review our opt in messaging details in our privacy notice by clicking submit you consent to allegro storing and processing your information and sharing it with allegro s authorized distributors and representative network to respond to your request or inquiry reset submit thank you for connecting with us one of our solution experts will be in touch with you shortly keep reading to learn more about our industry leading solutions form unavailable in accordance with your cookie preferences this form is not currently available should you wish to make a submission please allow performance cookies to run in your browser session you can access and change your preferences via the cookie settings button below or through our footer link cookie notice cookie settings if you still have issues seeing the form after accepting cookies please try and clear your local cookies and reload the page and accept the performance cookies again cookie settings products back to main menu products sensors back to main menu regulators back to main menu drivers back to main menu applications back to main menu applications automotive back to main menu industrial back to main menu consumer back to main menu technologies back to main menu design support back to main menu design support design and development packaging quality and environment software portal resources back to main menu resources resource center about allegro back to main menu about allegro our company back to main menu careers back to main menu esg back to main menu growth and inclusion back to main menu contact us back to main menu investors en english 中文 中国 日本語 日本 search 0 home products tunneling magnetoresistance tmr technology tunneling magnetoresistance tmr technology tunneling magnetoresistance tmr technology allegro s xtremesense tmr technology tunnel magnetoresistance provides the highest magnetic sensitivity the lowest power consumption and the smallest size by comparison to other magnetic technologies such as hall amr and gmr accelerating various applications from renewable energy systems xev and connected consumer devices allegro s xtremesense tmr technology enables current and position sensors to achieve industry leading performance figures and cost levels learn more discover the next generation of magnetic sensing efficient power conversion accurately measures the full dynamic range and provides a cleaner signal adoption of wide bandgap transistors wide bandgap transistors such as gan and sic require high bandwidth current sensors which xtremesense tmr achieves without sacrificing accuracy and resolution reduce the energy footprint delivers the lowest power consumption in any magnetic sensing product category 0 00 tmr is an ideal fit for high growth industries such as automotive industrial and consumer goods that require higher accuracy greater bandwidth and lower power consumption at the heart of xtremesense tmr technology is a thin film magneto resistive device which is called a magnetic tunnel junction mtj in its simplest form the mtj consists of two electric conducting magnetic layers on either side of a thin but highly robust insulating layer one magnetic layer has a fixed magnetic moment direction while the other can change freely to follow the direction of the local magnetic field for more information about the performance advantages of tmr versus other magnetic sensing technologies please read our from hall effect to tmr application note xtremesense tmr technology product portfolio 0 to 1000a current sensors product description ct220 high linearity high resolution tmr contactless current sensor in miniature form factor ct455 ct456 1 mhz bandwidth contactless current sensor 0 to 50a current sensors product description ct415 ct416 ct417 ct418 tmr current sensor with ultra low noise and 1 total error ct425 ct426 ct427 ct428 tmr current sensor with ultra low noise and 0 7 total error ct430 ct431 ct432 ct433 tmr current sensor with ultra low noise 0 7 total error and common mode field rejection in soicw 16 package linear and angular position sensors product description ct8150 ct8152 omnipolar tmr analog sensor with dual analog and digital output operation capability ct100 1d tmr linear sensor with analog differential outputs ct310 2d tmr angle sensor with sine cosine outputs micropower switches and latches product description ct8111 ct8112 integrated unipolar tmr switch latch ct8122 integrated bipolar tmr switch latch ct8131 ct8132 integrated omnipolar tmr switch latch dive into the electric current flow that creates the tmr advanced sensor and makes tmr possible the relative magnetization direction of the free layer and the reference layer determines the resistance of the mtj a parallel magnetization direction achieves the lowest possible resistance level the anti parallel magnetization direction enables the highest possible resistance level this variation in electrical resistance is then immediately detected and amplified to accurately sense the local magnetic field this feature creates the tmr advanced sensor with higher sensitivity lower power consumption and stable characteristics tmr sensors more accurately measure the full dynamic range these sensors have excellent working dynamic range with high linearity low hysteresis and high sensitivity characteristics that is the magneto resistive response curve has a steep slope ready to experience the power of tmr contact sales and explore allegro s extensive portfolio first name last name business email phone number job title company country select a country afghanistan aland islands albania algeria american samoa andorra angola anguilla antarctica antigua and barbuda argentina armenia aruba australia austria azerbaijan bahamas bahrain bangladesh barbados belarus belgium belize benin bermuda bhutan bolivia bosnia and herzegovina botswana bouvet island brazil british indian ocean territory british virgin islands brunei bulgaria burkina faso burundi cambodia cameroon canada cape verde caribbean netherlands cayman islands central african republic chad chile china christmas island cocos keeling islands colombia comoros cook islands costa rica croatia cuba curaçao cyprus czechia denmark djibouti dominica dominican republic dr congo ecuador egypt el salvador equatorial guinea eritrea estonia eswatini ethiopia falkland islands faroe islands fiji finland france french guiana french polynesia french southern and antarctic lands gabon gambia georgia germany ghana gibraltar greece greenland grenada guadeloupe guam guatemala guernsey guinea guinea bissau guyana haiti heard island and mcdonald islands honduras hong kong hungary iceland india indonesia iran iraq ireland isle of man israel italy ivory coast jamaica japan jersey jordan kazakhstan kenya kiribati kosovo kuwait kyrgyzstan laos latvia lebanon lesotho liberia libya liechtenstein lithuania luxembourg macau madagascar malawi malaysia maldives mali malta marshall islands martinique mauritania mauritius mayotte mexico micronesia moldova monaco mongolia montenegro montserrat morocco mozambique myanmar namibia nauru nepal netherlands new caledonia new zealand nicaragua niger nigeria niue norfolk island north korea north macedonia northern mariana islands norway oman pakistan palau palestine panama papua new guinea paraguay peru philippines pitcairn islands poland portugal puerto rico qatar republic of the congo reunion romania russia rwanda saint barthelemy saint helena ascension and tristan da cunha saint kitts and nevis saint lucia saint martin saint pierre and miquelon saint vincent and the grenadines samoa san marino sao tome and principe saudi arabia senegal serbia seychelles sierra leone singapore sint maarten slovakia slovenia solomon islands somalia south africa south georgia south korea south sudan spain sri lanka sudan suriname svalbard and jan mayen sweden switzerland syria taiwan tajikistan tanzania thailand timor leste togo tokelau tonga trinidad and tobago tunisia turkey turkmenistan turks and caicos islands tuvalu uganda ukraine united arab emirates united kingdom united states united states minor outlying islands united states virgin islands uruguay uzbekistan vanuatu vatican city venezuela vietnam wallis and futuna western sahara yemen zambia zimbabwe state province state province postal zip code inquiry type inquiry type general inquiries technical support comments stay informed about allegro news events and offers you can review our opt in messaging details in our privacy notice by clicking submit you consent to allegro storing and processing your information and sharing it with allegro s authorized distributors and representative network to respond to your request or inquiry reset submit thank you one of our solution experts will be in touch with you shortly keep reading to learn more about our industry leading solutions form unavailable in accordance with your cookie preferences this form is not currently available should you wish to make a submission please allow performance cookies to run in your browser session you can access and change your preferences via the cookie settings button below or through our footer link cookie notice cookie settings if you still have issues seeing the form after accepting cookies please try and clear your local cookies and reload the page and accept the performance cookies again cookie settings documentation resources blog the power of precision revolutionizing switches and latches with tmr technology this blog explores the benefits of tmr technology for switches and latches highlighting how it s transforming these essential components whitepaper next generation performance with xtremesense tmr technology as current and position sensing demand continues to increase driven by the applications and use cases that employ them the demands for performance and accuracy in sensor technology are rendering legacy solutions like hall effect and shunt obsolete ondemand webinar precision angle sensing for servo motor control and robotics discover how allegro microsystems cutting edge angle sensing solutions can enhance motor control reduce maintenance and improve machine precision watch today and take your motor control systems to the next level blog how does xtremesense tmr technology enable efficient applications modern applications require more capable solutions such as wide band gap wbg power devices pushing the performance requirements for current sensing video all about circuits tech chat the next generation of magnetic sensing with xtremesense tmr technology explore allegro s latest advancements in tmr magnetic sensing technology as all about circuits dale wilson chats with ali alaoui product line manager for sensor products at allegro microsystems blog why tmr technology tmr technology represents a paradigm shift in magnetic sensing unlike traditional hall effect sensors which rely on the deflection of charge carriers under the influence of an external magnetic field tmr sensors exploit the phenomenon of tunneling magnetoresistance blog what are 5 challenges to solar inverters as the demand grows as the demand for solar energy grows so does the demand for solar inverters which play a crucial role in converting the direct current dc generated by solar panels into alternating current ac application note what is xtremesense tmr many companies around the world are now featuring tmr based products in their respective portfolios and acknowledging the benefits tmr brings to their offerings however because tmr is a relatively new technology there are major differences in the implementation and manufacturing of tmr which can be seen in the final product performance figures application note tmr for 2d angle sensing this paper discusses the construction and operational principle of allegro tmr based angle sensing technology the main sources of angle error in two dimensional 2d sensors are explained application note non intrusive current sensing using tmr a comparison between tmr sensors sense resistors hall effect sensors and current transformers tunnel magnetoresistance tmr offers a set of features that allows for its use as a current sensor specifically the allegro ct100 family of linear tmr sensors can be used as a surface mount technology smt non...