TB67S141NG

Product Overview

Category: Integrated Circuit (IC)

Use: Motor Driver

Characteristics: - High voltage and high current motor driver - Suitable for driving stepper motors and DC motors - Provides precise control over motor speed and direction - Offers protection features such as overcurrent protection and thermal shutdown

Package: QFN (Quad Flat No-leads) package

Essence: The TB67S141NG is a motor driver IC that allows for efficient and accurate control of stepper motors and DC motors.

Packaging/Quantity: The TB67S141NG is typically sold in reels or trays, with a quantity of 2500 units per reel.

Specifications

• Operating Voltage: 10V to 44V
• Output Current: Up to 3A per channel
• Number of Channels: 1
• Control Interface: Parallel
• Protection Features: Overcurrent protection, Thermal shutdown

Detailed Pin Configuration

The TB67S141NG has the following pin configuration:

1. VCC - Power supply voltage input
2. GND - Ground reference
3. IN1 - Input signal for controlling motor direction
4. IN2 - Input signal for controlling motor direction
5. STP - Input signal for controlling motor step
6. EN - Enable pin for turning on/off the motor driver
7. OUT1 - Output for driving one phase of the motor
8. OUT2 - Output for driving one phase of the motor
9. SLP - Sleep mode control input
10. RST - Reset pin for resetting the motor driver

Functional Features

• Microstep resolution up to 1/32 steps
• Built-in current sense resistors for accurate current control
• Adjustable motor current through external resistors
• Low standby current consumption
• Fault detection and protection features

Advantages and Disadvantages

Advantages: - High voltage and current capability - Precise control over motor speed and direction - Protection features ensure safe operation - Compact QFN package for space-saving designs

Disadvantages: - Limited to driving a single motor channel - Requires external resistors for current adjustment

Working Principles

The TB67S141NG operates by receiving control signals through its input pins (IN1, IN2, STP) to determine the motor direction and step size. The motor driver then amplifies these signals and provides the necessary current to drive the motor coils. The built-in current sense resistors allow for accurate current control, ensuring optimal motor performance.

Detailed Application Field Plans

The TB67S141NG is commonly used in various applications that require precise motor control, such as:

1. Robotics: Used in robotic systems for controlling the movement of robotic arms and joints.
2. CNC Machines: Enables accurate positioning and movement control in computer numerical control (CNC) machines.
3. 3D Printers: Provides precise control over stepper motors used in 3D printers for accurate printing and movement.

Detailed and Complete Alternative Models

1. TB67S128FTG: Similar motor driver IC with additional features like built-in error detection and diagnostic functions.
2. DRV8825: Another popular motor driver IC with adjustable microstepping and high current capability.
3. A4988: Cost-effective motor driver IC suitable for low-power stepper motor applications.

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