LV8772-E

Product Overview

Category: Integrated Circuit (IC)

Use: LV8772-E is a motor driver IC designed for driving bipolar stepper motors and brushed DC motors. It provides high-performance motor control with various features and protection functions.

Characteristics: - High output current capability - Low power consumption - Built-in protection functions (thermal shutdown, overcurrent detection) - Wide operating voltage range - Compact package size

Package: LV8772-E is available in a small surface-mount package, making it suitable for space-constrained applications.

Essence: The essence of LV8772-E lies in its ability to efficiently drive stepper motors and brushed DC motors, enabling precise and reliable motor control in various electronic devices.

Packaging/Quantity: LV8772-E is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Operating Voltage Range: 7V to 35V
• Output Current: Up to 1.5A per phase
• Control Interface: Step/Direction or CW/CCW
• Protection Functions: Thermal Shutdown, Overcurrent Detection
• Package Type: SSOP24

Detailed Pin Configuration

The LV8772-E IC has the following pin configuration:

1. VREF - Reference Voltage Input
2. VCC - Power Supply Input
3. GND - Ground
4. OUT1 - Motor Output 1
5. OUT2 - Motor Output 2
6. OUT3 - Motor Output 3
7. OUT4 - Motor Output 4
8. SLP - Sleep Mode Control Input
9. STP - Step Input
10. DIR - Direction Input
11. MS1 - Microstep Resolution Selection
12. MS2 - Microstep Resolution Selection
13. RESET - Reset Input
14. VREF2 - Reference Voltage Input 2
15. VCC2 - Power Supply Input 2
16. GND2 - Ground 2
17. OUT5 - Motor Output 5
18. OUT6 - Motor Output 6
19. OUT7 - Motor Output 7
20. OUT8 - Motor Output 8
21. SLP2 - Sleep Mode Control Input 2
22. STP2 - Step Input 2
23. DIR2 - Direction Input 2
24. MS3 - Microstep Resolution Selection

Functional Features

• Bipolar stepper motor and brushed DC motor driver
• Microstepping capability for smooth motor operation
• Adjustable motor current through VREF input
• Sleep mode for power saving
• Overcurrent detection and thermal shutdown protection
• Direction and step control interfaces

Advantages and Disadvantages

Advantages: - High output current capability allows driving a wide range of motors - Compact package size enables use in space-constrained applications - Built-in protection functions enhance system reliability - Wide operating voltage range provides flexibility in various applications

Disadvantages: - Limited to driving bipolar stepper motors and brushed DC motors - Requires external microcontroller or control circuitry for motor control

Working Principles

LV8772-E operates by receiving control signals from an external microcontroller or control circuitry. The control signals determine the direction and step size of the motor movement. The IC amplifies these signals and drives the connected motor coils accordingly, resulting in precise motor control.

Detailed Application Field Plans

LV8772-E finds applications in various fields, including but not limited to: 1. Robotics: Controlling robotic arm movements and locomotion. 2. CNC Machines: Driving stepper motors in computer numerical control machines for precise positioning. 3. 3D Printers: Controlling the movement of print heads and build platforms. 4. Industrial Automation: Driving motors in conveyor systems, packaging machines, and other automated equipment.

Detailed and Complete Alternative Models

1. A4988 - Stepper motor driver IC with similar features and package size.
2. DRV8825 - High-current stepper motor driver IC with adjustable microstepping capability.
3. L293D - Motor driver IC for driving DC motors and small stepper motors.
4. TB6600 - Bipolar stepper motor driver IC with higher output current capability.

These alternative models offer similar functionality to LV8772-E and can be considered based on specific application requirements.

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