LV8772DZ-XE

Product Overview

Category: Integrated Circuit (IC)

Use: LV8772DZ-XE is a motor driver IC designed for driving bipolar stepper motors. It provides a compact and efficient solution for controlling the motion of various devices, such as printers, scanners, and robotics.

Characteristics: - High integration and compact size - Low power consumption - Wide operating voltage range - Built-in protection features for overcurrent and thermal shutdown - Easy to use with minimal external components

Package: LV8772DZ-XE is available in a small outline package (SOP) with 24 pins.

Essence: The essence of LV8772DZ-XE lies in its ability to accurately control the movement of bipolar stepper motors, enabling precise positioning and smooth operation of devices.

Packaging/Quantity: LV8772DZ-XE 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 and Direction inputs
• Microstepping Resolution: Up to 1/16 step
• Protection Features: Overcurrent detection, Thermal shutdown

Pin Configuration

The LV8772DZ-XE IC has the following pin configuration:

1. VREF - Reference voltage input
2. GND - Ground
3. CP1 - Capacitor connection for internal current control
4. CP2 - Capacitor connection for internal current control
5. VCC - Power supply voltage
6. STP - Step input
7. DIR - Direction input
8. MS1 - Microstepping resolution selection
9. MS2 - Microstepping resolution selection
10. RESET - Reset input
11. SLEEP - Sleep mode control
12. FAULT - Fault output
13. OUT1 - Motor phase A output
14. OUT2 - Motor phase A output
15. OUT3 - Motor phase B output
16. OUT4 - Motor phase B output
17. VREFB - Reference voltage input for internal current control
18. VREFA - Reference voltage input for internal current control
19. VREFC - Reference voltage input for internal current control
20. VREFD - Reference voltage input for internal current control
21. VREFE - Reference voltage input for internal current control
22. VREFF - Reference voltage input for internal current control
23. VREFG - Reference voltage input for internal current control
24. VREFH - Reference voltage input for internal current control

Functional Features

• Microstepping Control: LV8772DZ-XE supports microstepping up to 1/16 step, allowing for smoother and more precise motor movement.
• Overcurrent Protection: The IC incorporates overcurrent detection circuitry to protect the motor and driver from excessive current.
• Thermal Shutdown: In case of overheating, LV8772DZ-XE automatically shuts down to prevent damage to the IC.
• Easy Integration: With a simple step and direction control interface, LV8772DZ-XE can be easily integrated into various motor control systems.

Advantages and Disadvantages

Advantages: - Compact size and high integration - Wide operating voltage range - Built-in protection features - Easy to use with minimal external components - Supports microstepping for smooth motion control

Disadvantages: - Limited output current (up to 1.5A per phase) - Not suitable for driving high-power stepper motors

Working Principles

LV8772DZ-XE operates by receiving step and direction signals from a microcontroller or other control circuitry. The IC then generates the necessary current waveforms to drive the motor coils, enabling precise control over the motor's position and speed. By adjusting the microstepping resolution, the IC can achieve finer motor movement.

Application Field Plans

LV8772DZ-XE finds applications in various fields that require precise motion control, including: - Printers and scanners - Robotics and automation systems - CNC machines - Medical equipment - Surveillance systems

Alternative Models

For those seeking alternative options, the following motor driver ICs can be considered: - A4988 - DRV8825 - TB6600 - L298N

These alternatives offer similar functionality and are widely used in the industry.

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