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LV8728MR-AH
+NomenclatureIC MTR DRVR BIPLR 30SOIC/MFP30KR
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FabricantSemi - conducteurs
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Pièce fabricant #LV8728MR-AH
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Package SOIC W
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En stock3744
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Obsolete |
| MotorType-Stepper | Bipolar |
| Function | Driver - Fully Integrated, Control and Power Stage |
| OutputConfiguration | Half Bridge (4) |
| Technology | BiCDMOS |
| StepResolution | 1 ~ 1/128 |
| Applications | Printer |
| Current-Output | 2A |
| Voltage-Supply | 0V ~ 5V |
| Voltage-Load | 9V ~ 32V |
| OperatingTemperature | -30°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 30-SOP (0.311, 7.90mm Width) Exposed Pad |
Présentation
Description
Equivalent
1. A4988 by Allegro Microsystems
2. DRV8825 by Texas Instruments
3. TB6600 by Toshiba
4. TMC2208 by Trinamic
These alternatives have similar functionalities but may vary in features like microstepping, current rating, or thermal management, so always check the specific requirements of your application.
Features
1. Microstepping Capabilities: Supports various microstepping modes up to 128 microsteps per full step, allowing for smooth and precise motor control.
2. PWM Constant Current Control: Utilizes PWM constant current control with selectable decay modes to ensure efficient and stable motor operation.
3. Wide Operating Voltage Range: Operates over a broad voltage range, typically from 9V to 36V, making it suitable for a variety of applications.
4. Low Heat Generation: Features low on-resistance DMOS output transistors, which reduce heat generation and improve energy efficiency.
5. Built-in Protections: Includes overcurrent, thermal shutdown, and undervoltage lockout protections to safeguard against hardware failures.
6. Adjustable Current Limit: Allows for setting the output current limit via an external resistor, providing flexibility for different motor requirements.
7. Compact Package: Available in a compact package suitable for space-constrained applications.
These features make the LV8728MR-AH suitable for use in printers, scanners, and other precision motion control systems.
Pinout
Key functions of the LV8728MR-AH include:
1. Stepper Motor Control: It is primarily used to control bipolar stepper motors with high efficiency and precision.
2. Microstepping Support: The IC supports microstepping, which allows for smoother and more precise motor control.
3. Current Control: It features a current control mechanism to optimize motor performance and reduce power consumption.
4. Protection Features: The IC includes several protection features such as over-current protection, thermal shutdown, and under-voltage lockout to ensure safe operation.
5. Built-in Oscillator: It has a built-in oscillator for PWM (Pulse Width Modulation) control, simplifying the design.
This combination of features makes the LV8728MR-AH suitable for a variety of precision motor control applications.
Manufacturer
Application
1. Printers and Scanners: Facilitates accurate movement of print heads and scanning elements.
2. Robotics: Provides control for robotic joints and movements.
3. CNC Machines: Ensures precise control of tool positioning in computer numerical control equipment.
4. 3D Printers: Manages accurate layer-by-layer construction of 3D models.
5. Automated Machinery: Used in industrial automation for precise component handling and assembly.
6. Textile Equipment: Controls the movement of machinery parts in textile manufacturing.
Its ability to efficiently drive stepper motors makes it suitable for any application requiring detailed motion control.