DRV8231DDAR

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DRV8231DDAR

+BOM

33V H BRIDGE MOTOR DRIVER WITH C

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Specifications

Attribute Value
Part Status Active
Motor Type - Stepper Bipolar
Motor Type - AC, DC Brushed DC
Function Driver - Fully Integrated, Control and Power Stage
Output Configuration Half Bridge (2)
Interface PWM
Technology NMOS
Applications Printer
Current - Output 3.7A
Voltage - Supply 4.5V ~ 33V
Voltage - Load 4.5V ~ 33V
Operating Temperature -40°C ~ 150°C (TJ)
Mounting Type Surface Mount
Package / Case 8-PowerSOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SO PowerPad
Base Product Number DRV8231

Overview

Description

The DRV8231DDAR is a motor driver IC designed by Texas Instruments, primarily aimed at driving DC motors and stepping motors in various applications. It features a dual H-bridge configuration, allowing for bidirectional control of motors with a supply voltage range of 2.5V to 10.8V. The device can deliver up to 1.5A continuous current per channel, making it suitable for small to medium-sized motors.
Key features include PWM control for speed regulation, built-in overcurrent protection, thermal shutdown, and various operating modes such as brake and coast. The DRV8231 operates with minimal external components, simplifying design and integration into circuits. It is particularly useful in robotics, automation systems, and consumer electronics.
The compact package (HTQFP-32) ensures easy mounting on PCBs, making it an ideal choice for space-constrained applications. In summary, the DRV8231DDAR is a versatile and efficient motor driver ideal for various low-voltage motor control applications.

Equivalent

Equivalent products to the DRV8231DDAR include the DRV8833, DRV8848, and L298N. These chips serve similar functions in motor control applications, offering various features such as dual H-bridge configurations and voltage ratings. Ensure to check specific requirements like current ratings, control interfaces, and packaging options before substitution.

Features

The DRV8231DDAR is a robust motor driver designed for driving brushed DC motors in various applications. Key features include:
1. Dual H-Bridge Configuration: Enables control of two DC motors or one bipolar stepper motor.
2. Voltage Range: Operates from 2.5V to 10.8V, accommodating various power sources.
3. Current Capability: Supports continuous output current up to 2.5A per channel, with peak currents reaching 3A.
4. PWM Control: Allows precise speed control through pulse-width modulation (PWM) inputs.
5. Integrated Protection: Features overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability.
6. Low Power Consumption: Includes low-power sleep mode to conserve energy when inactive.
7. Fault Diagnostics: Provides fault indicators for easy troubleshooting.
8. Compact Package: Housed in a 16-pin HTSSOP package, suitable for space-constrained designs.
These features make the DRV8231DDAR ideal for robotics, automotive, and other applications requiring efficient motor control.

Pinout

The DRV8231DDAR is a dual H-bridge motor driver IC with a 16-pin TSSOP package. It is designed for driving DC motors and stepper motors, providing bidirectional control.
Pin Count and Functions:
1. VCP - Charge pump output.
2. VREG - Regulated output voltage.
3. VM - Motor supply voltage.
4. GND - Ground.
5. AIN1 - Motor A input 1 (control).
6. AIN2 - Motor A input 2 (control).
7. BIN1 - Motor B input 1 (control).
8. BIN2 - Motor B input 2 (control).
9. nSLEEP - Sleep mode control (active low).
10. nFAULT - Fault output (active low).
11. PWM - Pulse width modulation input for speed control.
12. DOUT - Diagnostic output.
13. RREF - Reference resistor input.
14. COM - Common pin for motor connections.
15. AOUT - Output for motor A.
16. BOUT - Output for motor B.
This versatile driver supports various applications, including consumer electronics and robotics.

Manufacturer

The DRV8231DDAR is manufactured by Texas Instruments (TI), a leading semiconductor company based in the United States. Founded in 1930, Texas Instruments specializes in designing and manufacturing a wide range of semiconductor products, including analog, digital, and embedded processing devices. The company is known for its innovation in the fields of electronics, particularly in analog ICs, microcontrollers, and digital signal processors. TI serves various industries such as automotive, industrial, communications, and consumer electronics, providing solutions that enable advanced functionality in electronic devices. The DRV8231 is a motor driver IC designed for driving DC motors and other inductive loads, highlighting TI's commitment to providing efficient and reliable components for automation and control applications.

Application

The DRV8231DDAR is a high-performance H-bridge motor driver primarily used for driving DC motors and stepper motors in various applications. Typical application areas include robotics, automotive systems, 3D printers, and industrial automation. It is also suitable for use in home appliances, such as fans and pumps, as well as in consumer electronics for controlling actuators. The driver supports bidirectional control and offers features like adjustable current limiting, making it versatile for both small and medium motor control applications.

Package

The DRV8231DDAR is packaged in a VQFN (Very Thin Quad Flat No-lead) format. It features a 28-pin configuration, allowing for efficient thermal dissipation and compact board design, making it suitable for motor driver applications in space-constrained environments.

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