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 #

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

A3901SEJTR-T
Allegro MicroSystems
1: $1.09
30,581In Stock

Mfr. Part No.
A3901SEJTR-T

Mouser Part No
250-A3901SEJTR-T

Allegro MicroSystems

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

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Datasheet

30,581In Stock

Cut Tape

$1.09

$0.786

$0.711

$0.627

Reel

$0.519

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Motor/Motion/Ignition Controllers & Drivers 8 INCH 3921

A3921KLPTR-T
Allegro MicroSystems
1: $4.97
20,967In Stock

Mfr. Part No.
A3921KLPTR-T

Mouser Part No
250-A3921KLPTR-T

Allegro MicroSystems

Motor/Motion/Ignition Controllers & Drivers 8 INCH 3921

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Datasheet

20,967In Stock

Cut Tape

$4.97

$3.36

$3.13

$2.75

View

Reel

$1.87

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

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

A3950SEUTR-T
Allegro MicroSystems
1: $2.80
18,756In Stock

Mfr. Part No.
A3950SEUTR-T

Mouser Part No
250-A3950SEUTR-T

Allegro MicroSystems

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

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Datasheet

18,756In Stock

Cut Tape

$2.80

$2.09

$1.91

$1.72

Reel

$1.46

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Motor/Motion/Ignition Controllers & Drivers 8 INCH 3959

A3959SLBTR-T
Allegro MicroSystems
1: $5.03
6,176In Stock

Mfr. Part No.
A3959SLBTR-T

Mouser Part No
250-A3959SLBTR-T

Allegro MicroSystems

Motor/Motion/Ignition Controllers & Drivers 8 INCH 3959

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Datasheet

6,176In Stock

Cut Tape

$5.03

$3.87

$3.57

$3.25

Reel

$2.93

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: $4.36
7,904In Stock

Mfr. Part No.
A3977SLPTR-T

Mouser Part No
250-A3977SLPTR-T

Allegro MicroSystems

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

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Datasheet

7,904In Stock

Cut Tape

$4.36

$3.31

$3.05

$2.76

View

Reel

$2.35

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: $7.76
7,258In Stock

Mfr. Part No.
A3983SLPTR-T

Mouser Part No
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

$7.76

$5.42

$5.17

$4.49

View

Reel

$3.37

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: $4.87
13,337In Stock

Mfr. Part No.
A3987SLPTR-T

Mouser Part No
250-A3987SLPTR-T

Allegro MicroSystems

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

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Datasheet

13,337In Stock

Cut Tape

$4.87

$3.71

$3.42

$3.10

View

Reel

$2.72

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Switching Voltage Regulators ADJUSTABLE FREQUENCY BUCK REGULATOR

A4412KLVTR-T
Allegro MicroSystems
1: $7.56
1,080In Stock
12,000Expected 10/09/2026

Mfr. Part No.
A4412KLVTR-T

Mouser Part No
250-A4412KLVTR-T

Allegro MicroSystems

Switching Voltage Regulators ADJUSTABLE FREQUENCY BUCK REGULATOR

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Datasheet

1,080In Stock

12,000Expected 10/09/2026

Cut Tape

$7.56

$5.80

$5.40

$4.75

View

Reel

$3.14

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: $2.06
18,444In Stock

Mfr. Part No.
A4931METTR-T

Mouser Part No
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

$2.06

$1.53

$1.39

$1.24

Reel

$1.03

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: $1.70
16,415In Stock

Mfr. Part No.
A4953ELJTR-T

Mouser Part No
250-A4953ELJTR-T

Allegro MicroSystems

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

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Datasheet

16,415In Stock

Cut Tape

$1.70

$1.25

$1.13

$1.01

Reel

$0.835

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: $2.73
10,245In Stock

Mfr. Part No.
A4954ELPTR-T

Mouser Part No
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

$2.73

$2.04

$1.86

$1.67

View

Reel

$1.30

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Gate Drivers BRUSHED DC GATE DRIVER

A4955GLPTR-T
Allegro MicroSystems
1: $1.55
25,636In Stock

Mfr. Part No.
A4955GLPTR-T

Mouser Part No
250-A4955GLPTR-T

Allegro MicroSystems

Gate Drivers BRUSHED DC GATE DRIVER

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Datasheet

25,636In Stock

Cut Tape

$1.55

$1.13

$1.03

$0.912

Reel

$0.756

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Motor/Motion/Ignition Controllers & Drivers A4979SLPTR-T

A4979GLPTR-T
Allegro MicroSystems
1: $3.53
18,880In Stock

Mfr. Part No.
A4979GLPTR-T

Mouser Part No
250-A4979GLPTR-T

Allegro MicroSystems

Motor/Motion/Ignition Controllers & Drivers A4979SLPTR-T

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Datasheet

18,880In Stock

Cut Tape

$3.53

$2.66

$2.45

$2.21

View

Reel

$1.85

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: $2.44
14,583In Stock

Mfr. Part No.
A4985SESTR-T

Mouser Part No
250-A4985SESTR-T

Allegro MicroSystems

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

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Datasheet

14,583In Stock

Cut Tape

$2.44

$1.82

$1.66

$1.49

Reel

$1.29

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

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

A4988SETTR-T
Allegro MicroSystems
1: $4.29
17,135In Stock

Mfr. Part No.
A4988SETTR-T

Mouser Part No
250-A4988SETTR-T

Allegro MicroSystems

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

Learn More

Datasheet

17,135In Stock

Cut Tape

$4.29

$2.84

$2.61

$2.24

Reel

$1.56

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: $3.60
13,100In Stock

Mfr. Part No.
A4989SLDTR-T

Mouser Part No
250-A4989SLDTR-T

Allegro MicroSystems

Gate Drivers DUAL FULL BRIDGE MOSFET DRIVER w/MICROSTEP TRANSLATOR

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Datasheet

13,100In Stock

Cut Tape

$3.60

$2.72

$2.49

$2.25

View

Reel

$1.87

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: $0.88
73,898In Stock

Mfr. Part No.
A6211GLJTR-T

Mouser Part No
250-A6211GLJTR-T

Allegro MicroSystems

LED Lighting Driver ICs COPPER WIRE 3.0 A PWM BUCK REGULATOR

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Datasheet

73,898In Stock

Cut Tape

$0.88

$0.629

$0.567

$0.498

Reel

$0.409

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Switching Voltage Regulators LOW INPUT VOLTAGE BUCK REGULATOR

A8650KEJTR-T
Allegro MicroSystems
1: $2.11
17,998In Stock

Mfr. Part No.
A8650KEJTR-T

Mouser Part No
250-A8650KEJTR-T

Allegro MicroSystems

Switching Voltage Regulators LOW INPUT VOLTAGE BUCK REGULATOR

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Datasheet

17,998In Stock

Cut Tape

$2.11

$1.56

$1.43

$1.27

View

Reel

$0.975

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: $3.78
8,977In Stock

Mfr. Part No.
A89307KETSR-J

Mouser Part No
250-A89307KETSR-J

Allegro MicroSystems

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

Learn More

Datasheet

8,977In Stock

Cut Tape

$3.78

$2.86

$2.63

$2.37

View

Reel

$1.88

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

Gate Drivers BRUSHED DC GATE DRIVER

A89505KLPTR
Allegro MicroSystems
1: $2.37
10,818In Stock

Mfr. Part No.
A89505KLPTR

Mouser Part No
250-A89505KLPTR

Allegro MicroSystems

Gate Drivers BRUSHED DC GATE DRIVER

Learn More

Datasheet

10,818In Stock

Cut Tape

$2.37

$1.77

$1.61

$1.45

View

Reel

$1.27

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

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

A3908EEETR-T
Allegro MicroSystems
1: $1.01
9,693In Stock

Mfr. Part No.
A3908EEETR-T

Mouser Part No
250-A3908EEETR-T

Allegro MicroSystems

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

Learn More

Datasheet

9,693In Stock

Cut Tape

$1.01

$0.728

$0.657

$0.579

Reel

$0.466

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: $3.47
2,326In Stock

Mfr. Part No.
A3967SLBTR-T

Mouser Part No
250-A3967SLBTR-T

Allegro MicroSystems

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

Learn More

Datasheet

2,326In Stock

Cut Tape

$3.47

$2.62

$2.40

$2.17

Reel

$1.91

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: $4.43
1,953In Stock

Mfr. Part No.
A3984SLPTR-T

Mouser Part No
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

$4.43

$3.37

$3.10

$2.81

View

Reel

$2.40

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Motor/Motion/Ignition Controllers & Drivers THREE PHASE MOSFET DRIVER

A4937KLPTR-A-T
Allegro MicroSystems
1: $4.10
7,990In Stock

Mfr. Part No.
A4937KLPTR-A-T

Mouser Part No
250-A4937KLPTR-A-T

Allegro MicroSystems

Motor/Motion/Ignition Controllers & Drivers THREE PHASE MOSFET DRIVER

Learn More

Datasheet

7,990In Stock

Cut Tape

$4.10

$3.10

$2.86

$2.58

View

Reel

$2.05

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Motor/Motion/Ignition Controllers & Drivers AUTOMOTIVE STEPPER DRIVER WITH INTERNAL CURRENT SENSE

A4993KLPTR-T
Allegro MicroSystems
1: $4.14
7,174In Stock

Mfr. Part No.
A4993KLPTR-T

Mouser Part No
250-A4993KLPTR-T

Allegro MicroSystems

Motor/Motion/Ignition Controllers & Drivers AUTOMOTIVE STEPPER DRIVER WITH INTERNAL CURRENT SENSE

Learn More

Datasheet

7,174In Stock

Cut Tape

$4.14

$3.14

$2.89

$2.61

View

Reel

$2.07

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Magnetic Speed Sensor ICs

Types of Integrated Circuits - ICs

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