LV8773Z-E

Product Overview

Category: Integrated Circuit (IC)

Use: LV8773Z-E is a motor driver IC designed for driving bipolar stepper motors and brushed DC motors. It provides high-performance motor control for various applications.

Characteristics: - High voltage and current capability - Low power consumption - Built-in protection features - Compact size - Easy to integrate into existing systems

Package: LV8773Z-E is available in a compact surface-mount package, making it suitable for space-constrained applications.

Essence: The essence of LV8773Z-E lies in its ability to provide precise and efficient motor control, enabling smooth and accurate movement in a wide range of applications.

Packaging/Quantity: LV8773Z-E is typically sold in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Operating Voltage: 8V to 35V
• Output Current: Up to 2.5A per phase
• Control Interface: Step and Direction inputs
• Protection Features: Overcurrent protection, thermal shutdown, and undervoltage lockout
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LV8773Z-E IC has the following pin configuration:

1. VCC - Power supply voltage input
2. GND - Ground reference
3. STEP - Step input for controlling motor movement
4. DIR - Direction input for controlling motor rotation direction
5. M1 - Motor phase output 1
6. M2 - Motor phase output 2
7. M3 - Motor phase output 3
8. M4 - Motor phase output 4
9. VREF - Reference voltage for motor current control
10. ENBL - Enable input for motor driver

Functional Features

• Microstepping control for smooth and precise motor movement
• Adjustable motor current control for optimal performance
• Built-in protection features to prevent damage to the IC and motor
• Low-power sleep mode for energy efficiency
• Fault detection and error reporting capabilities

Advantages and Disadvantages

Advantages: - High voltage and current capability enable driving of a wide range of motors - Compact size allows for easy integration into space-constrained applications - Built-in protection features ensure safe operation and prevent damage - Precise microstepping control results in smooth and accurate motor movement

Disadvantages: - Limited to driving bipolar stepper motors and brushed DC motors - Requires external components for certain functionalities, such as current sensing resistors

Working Principles

LV8773Z-E operates by receiving step and direction signals from a controller. These signals determine the motor movement and rotation direction. The IC generates the necessary drive signals for the motor phases, controlling the current flow and enabling precise motor control. Built-in protection features monitor the motor current, temperature, and supply voltage to ensure safe operation.

Detailed Application Field Plans

LV8773Z-E finds application in various fields, including:

1. Robotics: Used in robotic systems for precise motor control, enabling accurate movement and manipulation.
2. CNC Machines: Integrated into computer numerical control (CNC) machines to control the movement of stepper motors, ensuring precise positioning and machining operations.
3. 3D Printers: Enables precise control of stepper motors in 3D printers, resulting in high-quality prints with smooth and accurate movements.
4. Industrial Automation: Used in automated machinery and equipment for controlling motor-driven processes, improving efficiency and productivity.

Alternative Models

1. LV8773T: Similar to LV8773Z-E but with additional features like SPI interface for advanced control options.
2. DRV8825: A popular alternative with similar functionality, widely used in various motor control applications.
3. A4988: Another alternative offering high-performance motor control for stepper motors and brushed DC motors.

These alternative models provide similar functionality to LV8773Z-E and can be considered based on specific application requirements.

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