Specifications
| Attribute | Value |
| Package | Tube |
| ProductStatus | Obsolete |
| MotorType-Stepper | Bipolar |
| MotorType-ACDC | Brushed DC |
| Function | Driver - Fully Integrated, Control and Power Stage |
| OutputConfiguration | Half Bridge (4) |
| Interface | Parallel |
| Technology | Bipolar |
| Applications | General Purpose |
| Current-Output | 750mA |
| Voltage-Supply | 4.75V ~ 5.25V |
| Voltage-Load | 10V ~ 45V |
| OperatingTemperature | -20°C ~ 150°C (TJ) |
| MountingType | Through Hole |
| Package/Case | 24-PowerDIP (0.300, 7.62mm) |
Overview
Description
The UDN2916B is a dual full-bridge motor driver IC designed for driving bipolar stepper motors and DC motors. It is widely used in applications requiring precise control of motor speed and direction. The IC can handle up to 50V and 1.5A per channel, making it suitable for various motor control applications.
Key features of the UDN2916B include built-in thermal shutdown protection, internal flyback diodes to handle back EMF, and adjustable current control for each motor coil, allowing for efficient power management and motor protection. The IC also supports microstepping modes, which enhance the motor's precision and smoothness of operation.
The UDN2916B's compact design and versatile pin configuration make it easy to integrate into different circuit designs. It is often chosen for use in robotics, CNC machines, and automated systems where reliable and precise motor control is essential. Overall, the UDN2916B provides a robust solution for engineers looking to implement efficient motor control in their projects.
Key features of the UDN2916B include built-in thermal shutdown protection, internal flyback diodes to handle back EMF, and adjustable current control for each motor coil, allowing for efficient power management and motor protection. The IC also supports microstepping modes, which enhance the motor's precision and smoothness of operation.
The UDN2916B's compact design and versatile pin configuration make it easy to integrate into different circuit designs. It is often chosen for use in robotics, CNC machines, and automated systems where reliable and precise motor control is essential. Overall, the UDN2916B provides a robust solution for engineers looking to implement efficient motor control in their projects.
Equivalent
The UDN2916B is a dual full-bridge motor driver. Equivalent products include:
1. L298 by STMicroelectronics
2. TB6612FNG by Toshiba
3. A4988 by Allegro Microsystems
4. DRV8825 by Texas Instruments
These alternatives offer similar functionalities for driving bipolar stepper motors or DC motors, but may have different specifications or features, so it's important to verify compatibility with your specific application.
1. L298 by STMicroelectronics
2. TB6612FNG by Toshiba
3. A4988 by Allegro Microsystems
4. DRV8825 by Texas Instruments
These alternatives offer similar functionalities for driving bipolar stepper motors or DC motors, but may have different specifications or features, so it's important to verify compatibility with your specific application.
Features
The UDN2916B is a dual full-bridge motor driver IC designed to drive bipolar stepper motors and DC motors. Key features include:
1. Dual Full-Bridge Configuration: Allows control of two DC motors or one bipolar stepper motor.
2. Output Current: Can deliver up to 1.5A per bridge with efficient heat management.
3. Wide Voltage Range: Supports motor supply voltages from 10.8V to 46V.
4. PWM Control: Enables efficient current control and motor speed regulation using Pulse Width Modulation.
5. Internal Clamp Diodes: Provides flyback protection to prevent voltage spikes during switching.
6. Thermal Shutdown: Protects the IC from overheating by disabling outputs when excessive temperature is detected.
7. Crossover-Current Protection: Prevents simultaneous conduction in both output transistors of the same bridge, reducing switching losses.
8. Compact Package: Typically comes in a 16-pin DIP or SOIC package, facilitating easy integration into various designs.
These features make the UDN2916B suitable for a wide range of motion control applications, including robotics and automation systems.
1. Dual Full-Bridge Configuration: Allows control of two DC motors or one bipolar stepper motor.
2. Output Current: Can deliver up to 1.5A per bridge with efficient heat management.
3. Wide Voltage Range: Supports motor supply voltages from 10.8V to 46V.
4. PWM Control: Enables efficient current control and motor speed regulation using Pulse Width Modulation.
5. Internal Clamp Diodes: Provides flyback protection to prevent voltage spikes during switching.
6. Thermal Shutdown: Protects the IC from overheating by disabling outputs when excessive temperature is detected.
7. Crossover-Current Protection: Prevents simultaneous conduction in both output transistors of the same bridge, reducing switching losses.
8. Compact Package: Typically comes in a 16-pin DIP or SOIC package, facilitating easy integration into various designs.
These features make the UDN2916B suitable for a wide range of motion control applications, including robotics and automation systems.
Pinout
The UDN2916B is a dual full-bridge driver IC designed for driving bipolar stepper motors and DC motors. It typically comes in a 16-pin Dual In-line Package (DIP). Here's a concise breakdown of its pin functions:
1. OUT1A - Output A for Bridge 1.
2. SENSE1 - Connect to sense resistor for Bridge 1.
3. OUT2A - Output B for Bridge 1.
4. VBB - Supply voltage for the motor.
5. OUT2B - Output B for Bridge 2.
6. SENSE2 - Connect to sense resistor for Bridge 2.
7. OUT1B - Output A for Bridge 2.
8. GND - Ground.
9. GND - Ground (second pin).
10. PHASE1 - Controls the direction of current in Bridge 1.
11. ENABLE1 - Enables Bridge 1.
12. VCC - Logic supply voltage.
13. ENABLE2 - Enables Bridge 2.
14. PHASE2 - Controls the direction of current in Bridge 2.
15. REF2 - Reference voltage for Bridge 2 current control.
16. REF1 - Reference voltage for Bridge 1 current control.
This configuration allows for efficient control over two motor windings, making it suitable for driving stepper motors and other similar applications.
1. OUT1A - Output A for Bridge 1.
2. SENSE1 - Connect to sense resistor for Bridge 1.
3. OUT2A - Output B for Bridge 1.
4. VBB - Supply voltage for the motor.
5. OUT2B - Output B for Bridge 2.
6. SENSE2 - Connect to sense resistor for Bridge 2.
7. OUT1B - Output A for Bridge 2.
8. GND - Ground.
9. GND - Ground (second pin).
10. PHASE1 - Controls the direction of current in Bridge 1.
11. ENABLE1 - Enables Bridge 1.
12. VCC - Logic supply voltage.
13. ENABLE2 - Enables Bridge 2.
14. PHASE2 - Controls the direction of current in Bridge 2.
15. REF2 - Reference voltage for Bridge 2 current control.
16. REF1 - Reference voltage for Bridge 1 current control.
This configuration allows for efficient control over two motor windings, making it suitable for driving stepper motors and other similar applications.
Manufacturer
The UDN2916B is manufactured by Allegro MicroSystems. Allegro is a company that specializes in the design, development, and production of high-performance semiconductors. They focus on providing integrated circuit (IC) solutions for a wide range of applications, including automotive, industrial, consumer electronics, and more. Allegro's products are often used for motor control, energy-efficient power management, and other analog and digital solutions.
Application
The UDN2916B is a dual full-bridge motor driver IC commonly used in applications that require precise control of bipolar stepper motors or DC motors. It is often utilized in robotics, automation systems, and 3D printers where efficient and accurate motor control is essential. This IC is also employed in office equipment like printers and copiers, as well as in industrial machinery and automotive systems. Its ability to handle high current and voltage, combined with features like thermal shutdown and overcurrent protection, makes it suitable for various motor control applications requiring reliability and performance.
Package
The UDN2916B is a dual full-bridge motor driver IC typically packaged in a 24-pin DIP (Dual In-line Package) form. This type of packaging allows it to be easily mounted onto PCBs and is designed to handle the thermal and electrical requirements for driving motors.
