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Magnetic Speed Sensor ICs

Allegro MicroSystems Magnetic Speed Sensor ICs offer a comprehensive portfolio covering the full range of speed and speed with direction sensor ICs. These products include a two- and three-wire interface, a magnetic encoder (ring magnet) and gear tooth sensing, Hall and GMR technology, and ASIL-compliant options for transmission, wheel speed, engine, e-motors, and many more encoder and gear tooth sensing applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Board Mount Hall Effect / Magnetic Sensors HIGHEST ACCURACY PROGRAMMABLE LINEAR HALL EFFECT SENSOR IC WITH REVERSE BATTER PROTECTION ACS70311LKTATN-2P5B5-C Allegro MicroSystems 1: $6.23 6,448In Stock	Mfr. Part # ACS70311LKTATN-2P5B5-C Mouser Part # 250-70311LKTATN2P5B5	Allegro MicroSystems	Board Mount Hall Effect / Magnetic Sensors HIGHEST ACCURACY PROGRAMMABLE LINEAR HALL EFFECT SENSOR IC WITH REVERSE BATTER PROTECTION Learn More about Allegro MicroSystems allegro acs70310 acs70311 sensor ics	Datasheet	6,448In Stock	Cut Tape $6.23 $5.25 $4.88 $4.43 View Reel $3.36 $4.12 $3.83 $3.36 $3.36 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Motor / Motion / Ignition Controllers & Drivers 8 INCH 3930 A3930KJPTR-T Allegro MicroSystems 1: $7.37 3,702In Stock	Mfr. Part # A3930KJPTR-T Mouser Part # 250-A3930KJPTR-T	Allegro MicroSystems	Motor / Motion / Ignition Controllers & Drivers 8 INCH 3930 Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	3,702In Stock	Cut Tape $7.37 $5.69 $5.27 $4.81 View Reel $4.22 $4.61 $4.46 $4.22 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Motor / Motion / Ignition Controllers & Drivers 3-PHASE MOSFET CONTROLLER A4915METTR-T Allegro MicroSystems 1: $4.04 9,053In Stock	Mfr. Part # A4915METTR-T Mouser Part # 250-A4915METTR-T	Allegro MicroSystems	Motor / Motion / Ignition Controllers & Drivers 3-PHASE MOSFET CONTROLLER Learn More about Allegro MicroSystems allegro a4915 mosfet drivers	Datasheet	9,053In Stock	Cut Tape $4.04 $3.26 $3.06 $2.83 View Reel $2.50 $2.72 $2.65 $2.56 $2.50 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Board Mount Current Sensors HIGH ACCURACY, 3.3V CURRENT SENSOR ACS724KMATR-30AB-T Allegro MicroSystems 1: $3.59 6,836In Stock	Mfr. Part # ACS724KMATR-30AB-T Mouser Part # 250-724KMATR30ABT	Allegro MicroSystems	Board Mount Current Sensors HIGH ACCURACY, 3.3V CURRENT SENSOR Learn More about Allegro MicroSystems allegro acs724 acs725 current sensors	Datasheet	6,836In Stock	Cut Tape $3.59 $3.35 $3.23 $3.11 Reel $2.68 View $3.03 $2.92 $2.76 $2.61 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors HIGH ACCURACY GALVANICALLY ISOLATED CURR ACS722LLCTR-10AB-T Allegro MicroSystems 1: $5.24 7,658In Stock	Mfr. Part # ACS722LLCTR-10AB-T Mouser Part # 250-722LLCTR10ABT	Allegro MicroSystems	Board Mount Current Sensors HIGH ACCURACY GALVANICALLY ISOLATED CURR Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	7,658In Stock	Cut Tape $5.24 $4.77 $4.57 $4.33 View Reel $3.40 $4.15 $4.01 $3.66 $3.55 $3.40 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Current Sensors THERMALLY ENHANCED, FULLY INTEGRATED, HA ACS770KCB-150B-PFF-T Allegro MicroSystems 1: $9.57 9,373In Stock	Mfr. Part # ACS770KCB-150B-PFF-T Mouser Part # 250-770KCB150BPFFT	Allegro MicroSystems	Board Mount Current Sensors THERMALLY ENHANCED, FULLY INTEGRATED, HA Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	9,373In Stock	$9.57 $8.56 $8.18 $7.68 View $7.36 $7.10 $6.67 $6.50	Min.: 1 Mult.: 1
Board Mount Hall Effect / Magnetic Sensors CONTINUOUS TIME HALL EFFECT UNIPOLAR SWI A1102LLHLT-T Allegro MicroSystems 1: $1.99 30,514In Stock	Mfr. Part # A1102LLHLT-T Mouser Part # 250-A1102LLHLT-T	Allegro MicroSystems	Board Mount Hall Effect / Magnetic Sensors CONTINUOUS TIME HALL EFFECT UNIPOLAR SWI Learn More about Allegro MicroSystems allegro magnetic switch latch ics	Datasheet	30,514In Stock	Cut Tape $1.99 $1.77 $1.62 $1.48 View Reel $1.11 $1.39 $1.24 $1.20 $1.15 $1.11 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Motion & Position Sensors ROTARY ON & OFF-AXIS ANGLE SENSOR IC W/I2C, SPI, SENT OUT A1335LLETR-T Allegro MicroSystems 1: $4.48 9,766In Stock	Mfr. Part # A1335LLETR-T Mouser Part # 250-A1335LLETR-T	Allegro MicroSystems	Board Mount Motion & Position Sensors ROTARY ON & OFF-AXIS ANGLE SENSOR IC W/I2C, SPI, SENT OUT Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	9,766In Stock	Cut Tape $4.48 $4.00 $3.82 $3.59 View Reel $2.83 $3.44 $3.29 $3.02 $2.94 $2.83 $2.83 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Motor / Motion / Ignition Controllers & Drivers DMOS FULL BRIDGE PWM MOTOR DRIVER A4950KLJTR-T Allegro MicroSystems 1: $3.31 10,261In Stock	Mfr. Part # A4950KLJTR-T Mouser Part # 250-A4950KLJTR-T	Allegro MicroSystems	Motor / Motion / Ignition Controllers & Drivers DMOS FULL BRIDGE PWM MOTOR DRIVER Learn More about Allegro MicroSystems allegro a4950 pwm motor controllers	Datasheet	10,261In Stock	Cut Tape $3.31 $2.49 $2.28 $2.06 Reel $1.75 View $1.95 $1.92 $1.87 $1.52 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Current Sensors HIGH PRECISION LINEAR HALL EFFECT ACS72981LLRATR-100U5 Allegro MicroSystems 1: $6.07 6,818In Stock	Mfr. Part # ACS72981LLRATR-100U5 Mouser Part # 250-72981LLRATR100U5	Allegro MicroSystems	Board Mount Current Sensors HIGH PRECISION LINEAR HALL EFFECT Learn More about Allegro MicroSystems allegro current sensors	Datasheet	6,818In Stock	Cut Tape $6.07 $5.46 $5.23 $4.96 View Reel $3.55 $4.78 $4.61 $4.08 $3.92 $3.55 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Hall Effect / Magnetic Sensors 1D LINEAR HALL SENSOR, 5V,ANALOG OUT, SOT23W-3, 9MV/G, AUTO A1309LLHLX-9-T Allegro MicroSystems 1: $1.66 23,662In Stock	Mfr. Part # A1309LLHLX-9-T Mouser Part # 250-A1309LLHLX-9-T	Allegro MicroSystems	Board Mount Hall Effect / Magnetic Sensors 1D LINEAR HALL SENSOR, 5V,ANALOG OUT, SOT23W-3, 9MV/G, AUTO Learn More about Allegro MicroSystems allegro a1308 a1309 hall effect sensor ics	Datasheet	23,662In Stock	Cut Tape $1.66 $1.47 $1.32 $1.26 View Reel $0.851 $1.21 $1.05 $1.01 $0.953 $0.851 $0.851 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Board Mount Current Sensors HIGH ACCURACY GALVANICALLY ISOLATED CURRENT SENSOR ACS722KMATR-10AB-T Allegro MicroSystems 1: $6.69 4,485In Stock	Mfr. Part # ACS722KMATR-10AB-T Mouser Part # 250-722KMATR10ABT	Allegro MicroSystems	Board Mount Current Sensors HIGH ACCURACY GALVANICALLY ISOLATED CURRENT SENSOR Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	4,485In Stock	Cut Tape $6.69 $6.02 $5.78 $5.48 Reel $4.34 View $5.28 $5.09 $4.48 $3.85 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Hall Effect / Magnetic Sensors CHOPPER STABILIZED PRECISION HALL EFFECT A1126LLHLX-T Allegro MicroSystems 1: $1.18 26,593In Stock	Mfr. Part # A1126LLHLX-T Mouser Part # 250-A1126LLHLX-T	Allegro MicroSystems	Board Mount Hall Effect / Magnetic Sensors CHOPPER STABILIZED PRECISION HALL EFFECT Learn More about Allegro MicroSystems allegro magnetic switch latch ics	Datasheet	26,593In Stock	Cut Tape $1.18 $1.04 $0.926 $0.667 View Reel $0.557 $0.631 $0.559 $0.557 $0.557 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Board Mount Current Sensors HIGH ACCURACY GALVANICALLY ISOLATED CS ACS723LLCTR-20AU-T Allegro MicroSystems 1: $5.47 5,797In Stock	Mfr. Part # ACS723LLCTR-20AU-T Mouser Part # 250-723LLCTR20AUT	Allegro MicroSystems	Board Mount Current Sensors HIGH ACCURACY GALVANICALLY ISOLATED CS Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	5,797In Stock	Cut Tape $5.47 $4.94 $4.73 $4.49 View Reel $3.44 $4.29 $4.08 $3.74 $3.64 $3.44 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Current Sensors HIGH ACCURACY, 3.3V CURRENT SENSOR ACS724KMATR-65AB-T Allegro MicroSystems 1: $4.56 6,191In Stock	Mfr. Part # ACS724KMATR-65AB-T Mouser Part # 250-724KMATR65ABT	Allegro MicroSystems	Board Mount Current Sensors HIGH ACCURACY, 3.3V CURRENT SENSOR Learn More about Allegro MicroSystems allegro acs724 acs725 current sensors	Datasheet	6,191In Stock	Cut Tape $4.56 $4.09 $3.92 $3.71 Reel $2.97 View $3.56 $3.43 $3.08 $2.74 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Hall Effect / Magnetic Sensors MICROPOWER HALL EFFECT SW A3211ELHLT-T Allegro MicroSystems 1: $1.08 33,795In Stock 6,000Expected 11/12/2026	Mfr. Part # A3211ELHLT-T Mouser Part # 250-A3211ELHLT-T	Allegro MicroSystems	Board Mount Hall Effect / Magnetic Sensors MICROPOWER HALL EFFECT SW Learn More about Allegro MicroSystems allegro magnetic switch latch ics	Datasheet	33,795In Stock 6,000Expected 11/12/2026	Cut Tape $1.08 $0.948 $0.843 $0.805 View Reel $0.614 $0.769 $0.689 $0.659 $0.644 $0.614 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Motor / Motion / Ignition Controllers & Drivers 8 INCH 3938 A3938SLDTR-T Allegro MicroSystems 1: $8.97 28,266In Stock	Mfr. Part # A3938SLDTR-T Mouser Part # 250-A3938SLDTR-T	Allegro MicroSystems	Motor / Motion / Ignition Controllers & Drivers 8 INCH 3938 Learn More about Allegro MicroSystems allegro brushless dc drivers	Datasheet	28,266In Stock	Cut Tape $8.97 $6.95 $6.45 $5.89 View Reel $5.13 $5.67 $5.59 $5.52 $5.39 $5.13 MouseReel Available	Min.: 1 Mult.: 1 Max.: 12,000 : 4,000
Motor / Motion / Ignition Controllers & Drivers MICROSTEP MOTOR DRIVER WITH TRANSLATOR AND OCP A5976GLPTR-T Allegro MicroSystems 1: $3.49 7,383In Stock	Mfr. Part # A5976GLPTR-T Mouser Part # 250-A5976GLPTR-T	Allegro MicroSystems	Motor / Motion / Ignition Controllers & Drivers MICROSTEP MOTOR DRIVER WITH TRANSLATOR AND OCP Learn More about Allegro MicroSystems allegro stepper motor drivers	Datasheet	7,383In Stock	Cut Tape $3.49 $2.63 $2.41 $2.18 View Reel $1.72 $2.06 $2.04 $1.93 $1.88 $1.72 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Motor / Motion / Ignition Controllers & Drivers 40V 2A MICROSTEPPING MOTOR DRIVER IC A5984GLPTR-T Allegro MicroSystems 1: $2.39 138,120In Stock	Mfr. Part # A5984GLPTR-T Mouser Part # 250-A5984GLPTR-T	Allegro MicroSystems	Motor / Motion / Ignition Controllers & Drivers 40V 2A MICROSTEPPING MOTOR DRIVER IC Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	138,120In Stock	Cut Tape $2.39 $1.88 $1.75 $1.61 View Reel $1.41 $1.54 $1.52 $1.49 $1.47 $1.41 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Board Mount Current Sensors DIFFERENTIAL HALL INTEGRATED CURRENT SENSOR ACS725LLCTR-30AU-T Allegro MicroSystems 1: $4.87 7,237In Stock	Mfr. Part # ACS725LLCTR-30AU-T Mouser Part # 250-725LLCTR30AUT	Allegro MicroSystems	Board Mount Current Sensors DIFFERENTIAL HALL INTEGRATED CURRENT SENSOR Learn More about Allegro MicroSystems allegro acs724 acs725 current sensors	Datasheet	7,237In Stock	Cut Tape $4.87 $4.22 $3.97 $3.68 View Reel $2.49 $3.47 $3.28 $2.86 $2.77 $2.49 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Current Sensors DIFFERENTIAL HALL INTEGRATED CURRENT SENSOR IC FOR 3.3V PLATFORMS ACS725LLCTR-50AB-T Allegro MicroSystems 1: $4.27 8,055In Stock	Mfr. Part # ACS725LLCTR-50AB-T Mouser Part # 250-725LLCTR50ABT	Allegro MicroSystems	Board Mount Current Sensors DIFFERENTIAL HALL INTEGRATED CURRENT SENSOR IC FOR 3.3V PLATFORMS Learn More about Allegro MicroSystems allegro acs724 acs725 current sensors	Datasheet	8,055In Stock	Cut Tape $4.27 $3.83 $3.66 $3.46 View Reel $2.53 $3.33 $3.20 $2.90 $2.81 $2.53 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Current Sensors HIGH PRECISION LINEAR HALL EFFECT ACS781KLRTR-150B-T Allegro MicroSystems 1: $6.35 5,932In Stock	Mfr. Part # ACS781KLRTR-150B-T Mouser Part # 250-781KLRTR150BT	Allegro MicroSystems	Board Mount Current Sensors HIGH PRECISION LINEAR HALL EFFECT Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	5,932In Stock	Cut Tape $6.35 $5.71 $5.48 $5.19 View Reel $3.61 $5.00 $4.83 $4.29 $4.12 $3.61 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Motor / Motion / Ignition Controllers & Drivers 8 INCH 3921 A3921KLPTR-T Allegro MicroSystems 1: $4.57 19,465In Stock	Mfr. Part # A3921KLPTR-T Mouser Part # 250-A3921KLPTR-T	Allegro MicroSystems	Motor / Motion / Ignition Controllers & Drivers 8 INCH 3921 Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	19,465In Stock	Cut Tape $4.57 $3.45 $3.18 $2.87 View Reel $2.30 $2.73 $2.71 $2.55 $2.49 $2.30 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Gate Drivers BRUSHED DC GATE DRIVER A4955GLPTR-T Allegro MicroSystems 1: $1.96 22,336In Stock	Mfr. Part # A4955GLPTR-T Mouser Part # 250-A4955GLPTR-T	Allegro MicroSystems	Gate Drivers BRUSHED DC GATE DRIVER Learn More about Allegro MicroSystems allegro a4955 gate drivers	Datasheet	22,336In Stock	Cut Tape $1.96 $1.45 $1.32 $1.18 View Reel $0.927 $1.11 $1.07 $0.999 $0.927 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Board Mount Current Sensors PROGRAMMABLE THERMALLY ENHANCED CURRENT SENSOR ACS781LLRTR-100U-T Allegro MicroSystems 1: $7.18 11,121In Stock	Mfr. Part # ACS781LLRTR-100U-T Mouser Part # 250-781LLRTR100UT	Allegro MicroSystems	Board Mount Current Sensors PROGRAMMABLE THERMALLY ENHANCED CURRENT SENSOR Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	11,121In Stock	Cut Tape $7.18 $6.48 $6.21 $5.90 View Reel $4.27 $5.68 $5.49 $4.85 $4.71 $4.27 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

Magnetic Speed Sensor ICs

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Magnetic Speed Sensor ICs

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