Integrated Circuits - ICs

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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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Types of Integrated Circuits - ICs

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Part #

Current & Power Monitors & Regulators For New Designs Use ACS37800

ACS71020KMABTR-030B3-I2C
Allegro MicroSystems
1: $8.24
7,538In Stock

Mfr. Part #
ACS71020KMABTR-030B3-I2C

Mouser Part #
250-71020KMAB30B3I2C

Allegro MicroSystems

Current & Power Monitors & Regulators For New Designs Use ACS37800

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Datasheet

7,538In Stock

Cut Tape

$8.24

$7.91

$7.21

$6.95

View

Reel

$5.37

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Sensor Interface DUAL OUTPUT DIRECTION DETECTION SPEED SENSOR

A17501POKATN-SDFUYJE
Allegro MicroSystems
1: $4.57
11,914In Stock

Mfr. Part #
A17501POKATN-SDFUYJE

Mouser Part #
250-A17501POKSDFUYJE

Allegro MicroSystems

Sensor Interface DUAL OUTPUT DIRECTION DETECTION SPEED SENSOR

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Datasheet

11,914In Stock

Cut Tape

$4.57

$4.08

$3.68

$3.55

View

Reel

$2.44

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Motor / Motion / Ignition Controllers & Drivers COPPER WIRE UMC STEPPER

A3901SEJTR-T
Allegro MicroSystems
1: $1.67
30,546In Stock

Mfr. Part #
A3901SEJTR-T

Mouser Part #
250-A3901SEJTR-T

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers COPPER WIRE UMC STEPPER

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Datasheet

30,546In Stock

Cut Tape

$1.67

$1.21

$1.09

$0.962

Reel

$0.797

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Motor / Motion / Ignition Controllers & Drivers 8 INCH 3921

A3921KLPTR-T
Allegro MicroSystems
1: $7.63
20,967In Stock

Mfr. Part #
A3921KLPTR-T

Mouser Part #
250-A3921KLPTR-T

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers 8 INCH 3921

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Datasheet

20,967In Stock

Cut Tape

$7.63

$5.16

$4.80

$4.22

View

Reel

$2.87

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Motor / Motion / Ignition Controllers & Drivers FULL BRIDGE MOSFET DRIVER

A3950SEUTR-T
Allegro MicroSystems
1: $4.30
18,256In Stock

Mfr. Part #
A3950SEUTR-T

Mouser Part #
250-A3950SEUTR-T

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers FULL BRIDGE MOSFET DRIVER

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Datasheet

18,256In Stock

Cut Tape

$4.30

$3.21

$2.93

$2.64

Reel

$2.24

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Motor / Motion / Ignition Controllers & Drivers 8 INCH 3959

A3959SLBTR-T
Allegro MicroSystems
1: $7.72
5,530In Stock

Mfr. Part #
A3959SLBTR-T

Mouser Part #
250-A3959SLBTR-T

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers 8 INCH 3959

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Datasheet

5,530In Stock

Cut Tape

$7.72

$5.94

$5.48

$4.99

Reel

$4.50

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Motor / Motion / Ignition Controllers & Drivers DUAL DMOS FULL BRIDGE MICROSTEP W/TRANSLATOR

A3977SLPTR-T
Allegro MicroSystems
1: $6.69
7,818In Stock

Mfr. Part #
A3977SLPTR-T

Mouser Part #
250-A3977SLPTR-T

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers DUAL DMOS FULL BRIDGE MICROSTEP W/TRANSLATOR

Learn More

Datasheet

7,818In Stock

Cut Tape

$6.69

$5.08

$4.68

$4.24

View

Reel

$3.61

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Motor / Motion / Ignition Controllers & Drivers DUAL 1.5A FULL BRIDGE 1/8 MICROSTEP

A3983SLPTR-T
Allegro MicroSystems
1: $11.91
7,258In Stock

Mfr. Part #
A3983SLPTR-T

Mouser Part #
250-A3983SLPTR-T

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers DUAL 1.5A FULL BRIDGE 1/8 MICROSTEP

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Datasheet

7,258In Stock

Cut Tape

$11.91

$8.32

$7.94

$6.89

View

Reel

$5.17

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Motor / Motion / Ignition Controllers & Drivers .5A DUAL DMOS FULL BRDG MICROSTEP W/TRA

A3987SLPTR-T
Allegro MicroSystems
1: $7.48
13,337In Stock

Mfr. Part #
A3987SLPTR-T

Mouser Part #
250-A3987SLPTR-T

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers .5A DUAL DMOS FULL BRDG MICROSTEP W/TRA

Learn More

Datasheet

13,337In Stock

Cut Tape

$7.48

$5.69

$5.25

$4.76

View

Reel

$4.18

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Switching Voltage Regulators ADJUSTABLE FREQUENCY BUCK REGULATOR

A4412KLVTR-T
Allegro MicroSystems
1: $11.60
1,080In Stock
12,000Expected 2026-09-10

Mfr. Part #
A4412KLVTR-T

Mouser Part #
250-A4412KLVTR-T

Allegro MicroSystems

Switching Voltage Regulators ADJUSTABLE FREQUENCY BUCK REGULATOR

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Datasheet

1,080In Stock

12,000Expected 2026-09-10

Cut Tape

$11.60

$8.90

$8.29

$7.29

View

Reel

$4.82

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Motor / Motion / Ignition Controllers & Drivers 3 PHASE BRUSHLESS DC MOTOR PRE-DRIVER

A4931METTR-T
Allegro MicroSystems
1: $3.16
18,444In Stock

Mfr. Part #
A4931METTR-T

Mouser Part #
250-A4931METTR-T

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers 3 PHASE BRUSHLESS DC MOTOR PRE-DRIVER

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Datasheet

18,444In Stock

Cut Tape

$3.16

$2.35

$2.13

$1.90

Reel

$1.58

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Motor / Motion / Ignition Controllers & Drivers DMOS FULL-BRIDGE MOTOR DRIVER

A4953ELJTR-T
Allegro MicroSystems
1: $2.61
16,405In Stock

Mfr. Part #
A4953ELJTR-T

Mouser Part #
250-A4953ELJTR-T

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers DMOS FULL-BRIDGE MOTOR DRIVER

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Datasheet

16,405In Stock

Cut Tape

$2.61

$1.92

$1.73

$1.55

Reel

$1.28

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Motor / Motion / Ignition Controllers & Drivers DMOS DUAL FULL-BRIDGE PWM MOTOR DRIVER

A4954ELPTR-T
Allegro MicroSystems
1: $4.19
10,245In Stock

Mfr. Part #
A4954ELPTR-T

Mouser Part #
250-A4954ELPTR-T

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers DMOS DUAL FULL-BRIDGE PWM MOTOR DRIVER

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Datasheet

10,245In Stock

Cut Tape

$4.19

$3.13

$2.86

$2.56

View

Reel

$2.00

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Gate Drivers BRUSHED DC GATE DRIVER

A4955GLPTR-T
Allegro MicroSystems
1: $2.38
25,576In Stock

Mfr. Part #
A4955GLPTR-T

Mouser Part #
250-A4955GLPTR-T

Allegro MicroSystems

Gate Drivers BRUSHED DC GATE DRIVER

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Datasheet

25,576In Stock

Cut Tape

$2.38

$1.73

$1.58

$1.40

Reel

$1.16

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Motor / Motion / Ignition Controllers & Drivers A4979SLPTR-T

A4979GLPTR-T
Allegro MicroSystems
1: $5.42
18,880In Stock

Mfr. Part #
A4979GLPTR-T

Mouser Part #
250-A4979GLPTR-T

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers A4979SLPTR-T

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Datasheet

18,880In Stock

Cut Tape

$5.42

$4.08

$3.76

$3.39

View

Reel

$2.84

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Motor / Motion / Ignition Controllers & Drivers DMOS MICROSTEP DRIVER WITH TRANS/OCP

A4985SESTR-T
Allegro MicroSystems
1: $3.75
14,583In Stock

Mfr. Part #
A4985SESTR-T

Mouser Part #
250-A4985SESTR-T

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers DMOS MICROSTEP DRIVER WITH TRANS/OCP

Learn More

Datasheet

14,583In Stock

Cut Tape

$3.75

$2.79

$2.55

$2.29

Reel

$1.98

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Motor / Motion / Ignition Controllers & Drivers UMC VERSION OF 4988

A4988SETTR-T
Allegro MicroSystems
1: $6.59
15,565In Stock

Mfr. Part #
A4988SETTR-T

Mouser Part #
250-A4988SETTR-T

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers UMC VERSION OF 4988

Learn More

Datasheet

15,565In Stock

Cut Tape

$6.59

$4.36

$4.01

$3.44

Reel

$2.39

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Gate Drivers DUAL FULL BRIDGE MOSFET DRIVER w/MICROSTEP TRANSLATOR

A4989SLDTR-T
Allegro MicroSystems
1: $5.53
13,044In Stock

Mfr. Part #
A4989SLDTR-T

Mouser Part #
250-A4989SLDTR-T

Allegro MicroSystems

Gate Drivers DUAL FULL BRIDGE MOSFET DRIVER w/MICROSTEP TRANSLATOR

Learn More

Datasheet

13,044In Stock

Cut Tape

$5.53

$4.18

$3.82

$3.45

View

Reel

$2.87

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

LED Lighting Driver ICs COPPER WIRE 3.0 A PWM BUCK REGULATOR

A6211GLJTR-T
Allegro MicroSystems
1: $1.35
73,386In Stock

Mfr. Part #
A6211GLJTR-T

Mouser Part #
250-A6211GLJTR-T

Allegro MicroSystems

LED Lighting Driver ICs COPPER WIRE 3.0 A PWM BUCK REGULATOR

Learn More

Datasheet

73,386In Stock

Cut Tape

$1.35

$0.966

$0.87

$0.764

Reel

$0.628

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Switching Voltage Regulators LOW INPUT VOLTAGE BUCK REGULATOR

A8650KEJTR-T
Allegro MicroSystems
1: $3.24
17,998In Stock

Mfr. Part #
A8650KEJTR-T

Mouser Part #
250-A8650KEJTR-T

Allegro MicroSystems

Switching Voltage Regulators LOW INPUT VOLTAGE BUCK REGULATOR

Learn More

Datasheet

17,998In Stock

Cut Tape

$3.24

$2.39

$2.20

$1.95

View

Reel

$1.50

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Motor / Motion / Ignition Controllers & Drivers AUTOMOTIVE BLDC FOC GATE DRIVER WITH CLOSED LOOP SPEED CONTROL

A89307KETSR-J
Allegro MicroSystems
1: $5.80
8,477In Stock

Mfr. Part #
A89307KETSR-J

Mouser Part #
250-A89307KETSR-J

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers AUTOMOTIVE BLDC FOC GATE DRIVER WITH CLOSED LOOP SPEED CONTROL

Learn More

Datasheet

8,477In Stock

Cut Tape

$5.80

$4.39

$4.04

$3.64

View

Reel

$2.89

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

Gate Drivers BRUSHED DC GATE DRIVER

A89505KLPTR
Allegro MicroSystems
1: $3.64
10,818In Stock

Mfr. Part #
A89505KLPTR

Mouser Part #
250-A89505KLPTR

Allegro MicroSystems

Gate Drivers BRUSHED DC GATE DRIVER

Learn More

Datasheet

10,818In Stock

Cut Tape

$3.64

$2.72

$2.47

$2.23

View

Reel

$1.95

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Motor / Motion / Ignition Controllers & Drivers COPPER WIRE VERSION OF 3908

A3908EEETR-T
Allegro MicroSystems
1: $1.55
9,693In Stock

Mfr. Part #
A3908EEETR-T

Mouser Part #
250-A3908EEETR-T

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers COPPER WIRE VERSION OF 3908

Learn More

Datasheet

9,693In Stock

Cut Tape

$1.55

$1.12

$1.01

$0.889

Reel

$0.715

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Motor / Motion / Ignition Controllers & Drivers DUAL FULL-BRDG MICROSTEP W/TRANSLATOR

A3967SLBTR-T
Allegro MicroSystems
1: $5.33
2,326In Stock

Mfr. Part #
A3967SLBTR-T

Mouser Part #
250-A3967SLBTR-T

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers DUAL FULL-BRDG MICROSTEP W/TRANSLATOR

Learn More

Datasheet

2,326In Stock

Cut Tape

$5.33

$4.02

$3.68

$3.33

Reel

$2.93

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Motor / Motion / Ignition Controllers & Drivers DUAL 1.5A FULL BRIDGE 1/16 MICROSTEP

A3984SLPTR-T
Allegro MicroSystems
1: $6.80
1,953In Stock

Mfr. Part #
A3984SLPTR-T

Mouser Part #
250-A3984SLPTR-T

Allegro MicroSystems

Motor / Motion / Ignition Controllers & Drivers DUAL 1.5A FULL BRIDGE 1/16 MICROSTEP

Learn More

Datasheet

1,953In Stock

Cut Tape

$6.80

$5.17

$4.76

$4.31

View

Reel

$3.68

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Magnetic Speed Sensor ICs

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