Allegro MicroSystems is a leading provider of high-performance power and sensing solutions for motion control and energy-efficient systems. With a diverse portfolio encompassing motor drivers, sensor ICs, and magnetic encoders, Allegro enables innovation in automotive, industrial, and consumer applications. Renowned for their reliability, precision, and efficiency, Allegro's products are trusted for their role in enhancing safety, efficiency, and performance in electronic systems worldwide. From automotive safety systems and factory automation to home appliances and IoT devices, Allegro MicroSystems is committed to delivering cutting-edge semiconductor solutions that drive progress and shape the future of technology.

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ACS712 Current Sensor: Datasheet, Arduino and How to Use Guide

The ACS712 emerges as an economical and highly precise answer to the complex requirements of AC or DC current sensing. Tailored for applications across diverse sectors, including industrial, commercial, and communications systems, its adaptability is a key asset.

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How to Make a Digital Ammeter using PIC16F877A and ACS712-5A

Measuring voltage and current is always helpful when making or debugging any electrical system. In this project, we will make our own digital ammeter using PIC16F877A microcontroller and current sensor ACS712-5A .

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Allegro MicroSystems Hot Selling Product

  • A3982SLBT

    A3982SLBT

    A3982SLB-T is a dual full bridge motor driver that comes in a 24-pin SOIC package, packaged in a tube

    Brand: Allegro MicroSystems Package/Case: SOIC-24

    6,141 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A2918SW

    A2918SW

    Brand: Allegro MicroSystems Package/Case: ZIP-18

    6,926 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • UDN2595A

    UDN2595A

    French Electronic Distributor since 1988

    Brand: Allegro MicroSystems

    4,323 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3959SLPT

    A3959SLPT

    DMOS Full-Bridge PWM Motor Driver

    Brand: Allegro MicroSystems Package/Case: TSSOP-28

    5,440 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • UCN5801A

    UCN5801A

    IC UCN5801/UCN5801A ALLEGRO N22

    Brand: Allegro MicroSystems

    2,401 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A2557KLBTR-T

    A2557KLBTR-T

    High-performance driver for LED indicators, offering adjustable voltage output from to V

    Brand: Allegro MicroSystems Package/Case: 16-PowerSOIC (0.295", 7.50mm Width)

    6,689 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3916GESTR-T

    A3916GESTR-T

    Compact IC supervisor with one channel

    Brand: Allegro MicroSystems Package/Case: QFN-16

    7,256 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3931KJP-T

    A3931KJP-T

    Temperature range of -40°C to 150°C

    Brand: Allegro MicroSystems Package/Case: LQFP-48

    5,676 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3931KJPTR-T

    A3931KJPTR-T

    Parallel IC Motor Controller in 48-LQFP Package

    Brand: Allegro MicroSystems Package/Case: LQFP-48

    4,958 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3938SLDTR-T

    A3938SLDTR-T

    Brushless DC motor controller

    Brand: Allegro MicroSystems Package/Case: TSSOP-38

    5,479 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3946KLPTR-T

    A3946KLPTR-T

    Ideal for controlling power flow in automotive electrical systems

    Brand: Allegro MicroSystems Package/Case: TSSOP-16

    6,108 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3950SEUTR-T

    A3950SEUTR-T

    Motor controller

    Brand: Allegro MicroSystems Package/Case: QFN-16

    4,536 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3959SLB

    A3959SLB

    Stepper Motor Controller with 6A capacity, NMOS technology, PDSO24 package, BATWING design, made from plastic material, and SOIC-24 configuration

    Brand: Allegro MicroSystems Package/Case: SOP-24

    4,275 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3959SLBTR

    A3959SLBTR

    Motor Driver with Full Bridge Configuration and 24 Pins

    Brand: Allegro MicroSystems Package/Case: SOP24

    4,030 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3966SLB

    A3966SLB

    PDSO16 Stepper Motor Controller

    Brand: Allegro MicroSystems Package/Case: PowerSOIC-16

    4,267 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3966SLBTR-T

    A3966SLBTR-T

    With its Full Bridge architecture, this motor driver ensures smooth and reliable performance for a variety of applications

    Brand: Allegro MicroSystems Package/Case: SOP-16

    6,529 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3966SLB-T

    A3966SLB-T

    Plastic SOIC-16 Stepper Motor Controller

    Brand: Allegro MicroSystems Package/Case: 16-SOIC

    3,753 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3967SLB-T

    A3967SLB-T

    Stepper Motor Controller

    Brand: Allegro MicroSystems Package/Case: 24-SOIC

    5,461 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3967SLB

    A3967SLB

    24SOIC IC Motor Driver

    Brand: Allegro MicroSystems Package/Case: SOP-24

    5,735 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3967SLBTR

    A3967SLBTR

    Compact and versatile, this stepper motor controller is perfect for robotics and automation project

    Brand: Allegro MicroSystems Package/Case: SOIC-24

    7,943 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3967SLBTR-T

    A3967SLBTR-T $1.583

    Robust and reliable SOIC- package for easy integration into system

    Brand: Allegro MicroSystems Package/Case: SOIC-24

    5,015 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3968SLBTR-T

    A3968SLBTR-T

    Allegro MicroSystems DUAL FULL BRIDGE PWM MOTOR DRIVER

    Brand: Allegro MicroSystems Package/Case: SOP-16

    4,909 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3977SLPTR

    A3977SLPTR

    A3977SLPTR: High Current Stepper Motor Controller

    Brand: Allegro MicroSystems Package/Case: TSSOP-28

    5,141 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3977SLPTR-T

    A3977SLPTR-T $1.266

    DMOS Stepper Motor Driver 5V 28-Pin TSSOP EP T/R

    Brand: Allegro MicroSystems Package/Case: TSSOP-28

    6,347 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3979SLP

    A3979SLP

    28-pin TSSOP package

    Brand: Allegro MicroSystems Package/Case: TSSOP-28

    7,473 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3979SLPTR-T

    A3979SLPTR-T $1.947

    DMOS Stepper Motor Driver 5V 28-Pin TSSOP EP T/R

    Brand: Allegro MicroSystems Package/Case: TSSOP-28

    9,215 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3980KLP

    A3980KLP

    Motor driver with four half bridge outputs

    Brand: Allegro MicroSystems Package/Case: TSSOP-28

    3,112 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3982SLB-T

    A3982SLB-T

    Dual Full Bridge Motor Driver 24-Pin SOIC W Tube

    Brand: Allegro MicroSystems Package/Case: SOIC-24

    6,799 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3982SLBTR-T

    A3982SLBTR-T

    Full Bridge Motor Driver with Dual 1.5 Capability

    Brand: Allegro MicroSystems Package/Case: SOICWide-24

    5,017 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • A3983SLP

    A3983SLP

    Bipolar Motor Driver IC A3983SLP

    Brand: Allegro MicroSystems Package/Case: 24-TSSOP Exposed Pad

    7,520 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1