The A3909 is a dual full bridge motor driver, designed for 12 V medium power applications. The outputs are rated for operation through a power supply range of 4 to 18 V, and capable of up to 1 A per phase. Paralleling the outputs is possible for higher amperage single DC motor applications. The four inputs (IN1 to IN4) can control DC motors in forward, reverse, brake, and coast modes, or a bipolar stepper motor in full- and half-step modes
Allegro MicroSystems A3909 series Full & Half-Bridge Drivers ICs
Comprehensive Guide to A3909 Integrated Circuits (ICs) Full & Half-Bridge Drivers ICs
This post lists the Key Component Features, Diverse Applications, Associated Series Parts, Technical Documents(PDF Datasheets, User Guides), Frequently asked questions, and Related Series of Allegro MicroSystems A3909 series Full & Half-Bridge Drivers ICs products.
FEATURES
- High Current Drive Capability
- Integrated Protection Features
Applications
- Industrial transport (non-car & non-light truck)
- Medical
Associated Products
| Part Number | Description | Stock | RFQ |
|---|---|---|---|
| A3909GLNTR-T | IC MOTOR DRIVER PAR 10SSOP | 400 | RFQ |
| A3909GLYTR-T | Dual DMOS Full Bridge Motor Driver 18V 10-Pin MSOP T/R | 0 | RFQ |
Related Series
Allegro MicroSystems A3909 series Full & Half-Bridge Drivers ICs
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STMicroelectronics L298 series Full & Half-Bridge Drivers ICs
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Frequently Asked Questions
What are the similar products or Substitute Components of Allegro MicroSystems A3909 series Full & Half-Bridge Drivers ICs
Texas Instruments DRV8x series: This series includes full-bridge and half-bridge driver ICs designed for motor control applications. The DRV8x series offers features such as high-current drive capability, integrated protection features, and flexible control options. These drivers are suitable for a wide range of motor control applications in automotive, industrial, and consumer electronics sectors. ON Semiconductor MC34xx series: This series comprises full-bridge and half-bridge driver ICs specifically designed for automotive applications. The MC34xx series offers features such as high-current drive capability, temperature and overcurrent protection, and diagnostic features. These drivers are commonly used in automotive systems like HVAC, power seats, and power windows. Infineon Technologies TLE72xx series: This series includes full-bridge and half-bridge driver ICs designed for automotive applications. The TLE72xx series offers high-current drive capability, integrated protection features, and fault diagnostic capabilities. These drivers are suitable for various automotive systems, including power windows, sunroofs, and power seats.
What is the difference between full and half step modes?
In full step mode, the motor rotates in full steps of 1.8 degrees or 0.9 degrees depending on the motor type. In half-step mode, the motor rotates in half steps of 0.9 degrees or 0.45 degrees depending on the motor type.