{"product_id":"a3144e-hall-effect-sensor-44e-electronics-hub","title":"A3144e Hall Effect Sensor 44e","description":"\u003ch2\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003csection id=\"shopify-section-template--23208148107542__main\" class=\"shopify-section t4s-section t4s-section-main t4s-section-main-product t4s_tp_flickity\"\u003e\n\u003cdiv class=\"t4s-product-tabs-wrapper t4s-product-tabs-wrapper-template--23208148107542__main\"\u003e\n\u003cdiv class=\"t4s-container\"\u003e\n\u003cdiv class=\"t4s-tabs t4s-type-tabs t4s-accordion-mb-false t4s-tabs-enabled t4s-tabs-accordion-enabled\" data-t4s-tabs=\"\" data-t4s-accordion-pr=\"\"\u003e\n\u003cdiv class=\"t4s-tab-wrapper\" data-t4s-tab-wrapper=\"\"\u003e\n\u003cdiv id=\"t4s-tab-destemplate--23208148107542__main\" class=\"t4s-rte t4s-tab-content\" data-t4s-tab-content=\"\"\u003e\n\u003cp\u003eThe device includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifies the Hall voltage, and a Schmitt trigger to provide switching hysteresis for noise rejection, and open-collector output.\u003c\/p\u003e\n\u003cp data-start=\"183\" data-end=\"326\"\u003eThe internal bandgap regulator provides a temperature-compensated supply voltage for the circuits and supports a wide operating supply range.\u003c\/p\u003e\n\u003cp data-start=\"328\" data-end=\"575\"\u003eWhen the magnetic flux density rises above the threshold \u003cstrong data-start=\"385\" data-end=\"392\"\u003eBop\u003c\/strong\u003e, the sensor drives the DO output low (on). The output remains in this state until the flux density reverses and falls below \u003cstrong data-start=\"517\" data-end=\"524\"\u003eBrp\u003c\/strong\u003e, at which point the sensor drives DO high (off).\u003c\/p\u003e\n\u003ch3 class=\"otQkpb\" role=\"heading\" aria-level=\"3\" data-processed=\"true\" data-complete=\"true\"\u003eKey features:\u003c\/h3\u003e\n\u003cul class=\"U6u95\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cli data-hveid=\"CAYQAA\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003e\u003cb class=\"Yjhzub\" data-complete=\"true\"\u003eDigital output:\u003c\/b\u003e Unlike analog Hall sensors, the A3144E has two states: \u003ccode class=\"o8j0Mc\" data-complete=\"true\" data-sae=\"\"\u003eON\u003c\/code\u003e and \u003ccode class=\"o8j0Mc\" data-complete=\"true\" data-sae=\"\"\u003eOFF\u003c\/code\u003e. When a sufficiently strong magnetic field is detected, the output goes low (ON). When the magnetic field is removed, the output returns to a high state (OFF). A pull-up resistor is needed to keep the output high when no magnetic field is present.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-hveid=\"CAYQAQ\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003e\u003cb class=\"Yjhzub\" data-complete=\"true\"\u003eBuilt-in hysteresis:\u003c\/b\u003e A Schmitt trigger is included to prevent the output from oscillating, or \"chattering,\" when the magnetic field is at the switching threshold. This provides clean, fast, and reliable switching.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-hveid=\"CAYQAg\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003e\u003cb class=\"Yjhzub\" data-complete=\"true\"\u003eUnipolar sensing:\u003c\/b\u003e The sensor is designed to be triggered by a single magnetic pole (typically the south pole). Moving a north pole toward the sensor will not trigger it.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-hveid=\"CAYQAw\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003e\u003cb class=\"Yjhzub\" data-complete=\"true\"\u003eOpen-collector output:\u003c\/b\u003e The output stage is an open-collector NPN transistor, which can sink a maximum output current of 50mA. This allows it to directly drive loads like LEDs or the base of a larger transistor.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-hveid=\"CAYQBA\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003e\u003cb class=\"Yjhzub\" data-complete=\"true\"\u003eWide operating voltage:\u003c\/b\u003e The A3144E can operate on a DC supply voltage between 4.5V and 24V.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-hveid=\"CAYQBQ\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003e\u003cb class=\"Yjhzub\" data-complete=\"true\"\u003eBuilt-in protection:\u003c\/b\u003e The device includes a reverse polarity protection circuit.\u003c\/span\u003e\u003cspan data-wiz-uids=\"Zqt3Xe_n,Zqt3Xe_o\" data-complete=\"true\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-sae=\"\"\u003e \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"Fsg96\" data-processed=\"true\" data-complete=\"true\"\u003e\u003c\/div\u003e\n\u003ch4 class=\"otQkpb\" role=\"heading\" aria-level=\"3\" data-processed=\"true\" data-complete=\"true\"\u003eHow it works:\u003c\/h4\u003e\n\u003cdiv class=\"Y3BBE\" data-hveid=\"CAkQAA\" data-processed=\"true\" data-complete=\"true\"\u003eThe A3144E uses the fundamental Hall effect principle.\u003cspan data-wiz-uids=\"Zqt3Xe_y,Zqt3Xe_z\" data-processed=\"true\" data-complete=\"true\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-sae=\"\"\u003e \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003col class=\"VimKh\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cli data-hveid=\"CAsQAA\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003eA current is passed through a thin sheet of semiconductor material inside the sensor.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-hveid=\"CAsQAQ\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003eWhen the south pole of a magnet is brought close to the branded face of the sensor, its magnetic field is perpendicular to the current flow.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-hveid=\"CAsQAg\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003eThis magnetic force deflects the moving charge carriers (electrons) to one side of the semiconductor sheet, creating a small voltage difference across the material. This is the Hall voltage.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-hveid=\"CAsQAw\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003eThe Hall voltage is amplified by a small-signal amplifier and fed into a Schmitt trigger circuit.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-hveid=\"CAsQBA\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003eWhen the magnetic flux density crosses a specific threshold, the output of the Schmitt trigger flips, turning the internal open-collector transistor \u003ccode class=\"o8j0Mc\" data-complete=\"true\" data-sae=\"\"\u003eON\u003c\/code\u003e and causing the output pin to switch to a low state.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-hveid=\"CAsQBQ\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003eWhen the magnetic field is removed and falls below a lower release threshold, the output switches \u003ccode class=\"o8j0Mc\" data-complete=\"true\" data-sae=\"\"\u003eOFF\u003c\/code\u003e and the output pin returns to a high state.\u003c\/span\u003e\u003cspan data-wiz-uids=\"Zqt3Xe_1f,Zqt3Xe_1g\" data-complete=\"true\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-sae=\"\"\u003e \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"Fsg96\" data-processed=\"true\" data-complete=\"true\"\u003e\u003c\/div\u003e\n\u003ch5 class=\"otQkpb\" role=\"heading\" aria-level=\"3\" data-processed=\"true\" data-complete=\"true\"\u003eCommon applications:\u003c\/h5\u003e\n\u003cdiv class=\"Y3BBE\" data-hveid=\"CA0QAA\" data-processed=\"true\" data-complete=\"true\"\u003e\n\u003cspan class=\"T286Pc\" data-complete=\"true\" data-processed=\"true\"\u003eDue to its robust design and non-contact operation, the A3144E is used in many applications\u003c\/span\u003e:\u003cspan data-wiz-uids=\"Zqt3Xe_1p,Zqt3Xe_1q\" data-processed=\"true\" data-complete=\"true\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-sae=\"\"\u003e \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul class=\"U6u95\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cli data-hveid=\"CA4QAA\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003e\u003cb class=\"Yjhzub\" data-complete=\"true\"\u003eProximity sensing:\u003c\/b\u003e Detecting the presence of an object attached to a magnet.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-hveid=\"CA4QAQ\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003e\u003cb class=\"Yjhzub\" data-complete=\"true\"\u003ePosition sensing:\u003c\/b\u003e Measuring the position of a moving part in a machine, such as detecting door and window openings.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-hveid=\"CA4QAg\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003e\u003cb class=\"Yjhzub\" data-complete=\"true\"\u003eSpeed and RPM detection:\u003c\/b\u003e Counting the revolutions per minute of a motor or shaft by using a rotating magnet or a magnetic disc.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-hveid=\"CA4QAw\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003e\u003cb class=\"Yjhzub\" data-complete=\"true\"\u003eMagnetic switches:\u003c\/b\u003e Creating non-contact switches for alarms or automated equipment.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-hveid=\"CA4QBA\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-complete=\"true\"\u003e\u003cb class=\"Yjhzub\" data-complete=\"true\"\u003eBrushless DC motor control:\u003c\/b\u003e Used for commutation to determine rotor position.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"t4s-tab-wrapper\" data-t4s-tab-wrapper=\"\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv id=\"shopify-section-template--23208148107542__collapsible_liquid_block_xRn3Am\" class=\"shopify-section\"\u003e\u003c\/div\u003e","brand":"Electronics Hub","offers":[{"title":"Default Title","offer_id":54467544777017,"sku":"product-16918","price":0.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/e41ae9384ca7cdb6673f14b231fb58f8.jpg_720x720q80.jpg_f9f204fa-6df1-48fd-9e0a-2d1ad29c71f7.webp?v=1789248625","url":"https:\/\/electronicshub.pk\/products\/a3144e-hall-effect-sensor-44e-electronics-hub","provider":"Electronics Hub","version":"1.0","type":"link"}