L6470HTR

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L6470HTR

IC MTR DRV BIPLR 3.3/5V 28HTSSOP

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規格

Package Tape & Reel (TR),Cut Tape (CT)
Series STSPIN L64
ProductStatus Active
MotorType-Stepper Bipolar
Function Driver - Fully Integrated, Control and Power Stage
OutputConfiguration Half Bridge (4)
Interface SPI
Technology DMOS
StepResolution 1 ~ 1/128
Applications General Purpose
Current-Output 3A
Voltage-Supply 3.3V, 5V
Voltage-Load 8V ~ 45V
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 28-TSSOP (0.173, 4.40mm Width) Exposed Pad

概述

Description

The L6470HTR is a fully integrated microstepping motor driver with a built-in digital control core designed by STMicroelectronics. It is specifically designed to drive bipolar stepper motors and is often used in applications requiring precise motor control. The device integrates features such as a PWM (Pulse Width Modulation) current controller, a voltage mode control, and various protection mechanisms, including overcurrent, under-voltage lockout, and thermal shutdown.
One of its key features is the ability to manage up to 128 microsteps per full step, allowing for smooth and accurate positioning and speed control. The L6470HTR communicates via an SPI (Serial Peripheral Interface), enabling easy interfacing with microcontrollers. It also includes a motion engine which simplifies the implementation of complex motion profiles, including acceleration and deceleration.
The device operates over a wide voltage range and supports high current outputs, making it suitable for a variety of industrial and consumer applications like 3D printers, robotic arms, and automated machine tools. Its compact and efficient design helps in reducing the overall size and power consumption of the motor control system.

Features

The L6470HTR is a fully integrated microstepping motor driver designed for driving bipolar stepper motors with precision and ease. Key features include:
1. Microstepping Capability: Offers up to 128 microsteps per full step, allowing for smooth and precise motor control.
2. SPI Interface: Communication via a Serial Peripheral Interface (SPI) for easy integration into different systems.
3. Voltage and Current Control: Supports a wide operating voltage range and offers programmable current control to optimize motor performance.
4. Motion Control Features: Includes position and speed management with programmable acceleration/deceleration profiles.
5. Protection Mechanisms: Integrated protection features such as overcurrent, overtemperature, and undervoltage lockout to ensure reliable operation.
6. Embedded Non-Volatile Memory: Stores configuration parameters for easy setup and deployment.
7. Power Management: Features include automatic power reduction to enhance energy efficiency.
8. Voltage Range: Operates typically from 8V to 45V, suitable for various applications.
These features make the L6470HTR suitable for a wide range of applications, including automation, robotics, and precision instrumentation, where reliable and efficient motor control is essential.

Package

The L6470HTR is a motor driver IC from STMicroelectronics, typically housed in a HTSSOP (Thermally Enhanced Thin Shrink Small Outline Package) with 36 leads. This package type is designed to offer improved thermal performance and compact size for efficient motor control applications.

Pinout

The L6470HTR is a stepper motor driver with integrated control logic and a power stage. It is part of the dSPIN series by STMicroelectronics. The device comes in a VFQFPN (Very Thin Quad Flat Package No-Lead) with a 36-pin configuration.
Key functions of the L6470HTR include:
1. Microstepping Motor Driver: It supports microstepping up to 1/128 steps, which allows for precise control over stepper motor operations.
2. Motion Control: It incorporates advanced motion control features such as speed profiling, positioning, and acceleration/deceleration control.
3. Voltage and Current Control: The driver features voltage mode driving and configurable non-dissipative current sensing.
4. SPI Interface: Communication is facilitated via an SPI (Serial Peripheral Interface), enabling easy integration with microcontrollers.
5. Protection Features: The device offers overcurrent, overvoltage, and thermal shutdown protections to ensure safe operation.
Overall, the L6470HTR is designed for various applications requiring reliable and precise stepper motor control.

Manufacturer

The L6470HTR is manufactured by STMicroelectronics. STMicroelectronics is a multinational electronics and semiconductor company headquartered in Geneva, Switzerland. It is one of the world's leading semiconductor companies, providing a wide range of products and solutions across various applications and industries, including automotive, industrial, personal electronics, and communications equipment. The company is known for its innovation and development in microelectronics, and it serves clients globally with its diverse portfolio of integrated circuits, sensors, and embedded processing solutions.

Application

The L6470HTR is a fully integrated microstepping motor driver designed for precision motion control applications. Key application areas include robotics, industrial automation, 3D printers, textile machinery, and surveillance systems. Its advanced features, such as microstepping, programmable speed profiles, and overcurrent protection, make it suitable for applications requiring precise positioning and smooth motion control.

Equivalent

The L6470HTR, a stepper motor driver from STMicroelectronics, has several potential equivalent products. Consider the DRV8825 from Texas Instruments, A4988 from Allegro MicroSystems, and TB6600 from Toshiba as possible alternatives. These drivers share similar functionalities, such as current control, microstepping, and protection features, making them suitable substitutes depending on specific application requirements. Always verify compatibility with your specific application before substituting.

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