L6470H

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L6470H

+БОМ

IC MTR DRV BIPLR 3.3/5V 28HTSSOP

  • ПроизводительSTМикроэлектроника

  • Мфр. Часть #L6470H

  • Лист данных L6470H DataSheet

  • Пакет TSSOP-28

  • В наличии6694

365 Дни гарантии качества

7*24 часы обслуживания каранти

90-гарантия послепродажного дня

Гарантия подлинного продукта

Спецификации

Атрибут Ценность
Package Tube
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

Обзор

Description

The L6470H, also known as dSPIN, is an integrated motor driver IC designed for controlling stepper motors. Manufactured by STMicroelectronics, it combines a driver and controller in a single package. The L6470H supports advanced motor control features, including microstepping up to 1/128th steps, which allows for smooth and precise motion control. It operates over a wide voltage range and delivers current up to 3 A per phase, making it suitable for various applications in robotics, automation, and 3D printing.
The IC uses SPI (Serial Peripheral Interface) for communication, enabling easy integration with microcontrollers and systems. Key features include programmable speed profiles, acceleration/deceleration control, and stall detection, which help in preventing motor stalls and ensuring reliable performance. It also offers protection features like overcurrent, overtemperature, and undervoltage lockout to enhance durability.
Overall, the L6470H is a versatile and efficient solution for stepper motor applications requiring high precision and reliability.

Equivalent

The L6470H is a stepper motor driver by STMicroelectronics. Equivalent products include:
1. Texas Instruments DRV8811 - A similar stepper motor controller with integrated microstepping.
2. Allegro Microsystems A4988 - Widely used for stepper motors, supporting microstepping.
3. ON Semiconductor LV8729 - Offers comparable functionality with microstepping capabilities.
4. Trinamic TMC2100 - Provides silent stepper motor operation with advanced features.
When selecting an equivalent, ensure the specifications match your application requirements.

Features

The L6470H is a fully integrated microstepping motor driver with various advanced features designed to simplify motor control. Key features include:
1. Microstepping: Provides up to 1/128 steps for smooth and precise motor control.
2. Current Control: Features a built-in current control mechanism with programmable peak current that allows efficient motor operation.
3. Voltage Range: Operates within a wide voltage range, typically from 8 V to 45 V.
4. SPI Interface: Equipped with a serial peripheral interface (SPI) for easy communication and configuration.
5. Configurable Settings: Allows customizable speed profiles, acceleration, deceleration, and maximum speed settings.
6. Diagnostics: Includes overcurrent, thermal shutdown, undervoltage lockout, and stall detection for robust operation.
7. Step Clock Mode: Supports an external step clock mode for more flexible control.
8. Low Power: Incorporates a power-saving sleep mode.
9. Compact Package: Comes in a compact PowerSO package for easy integration into various applications.
These features make the L6470H suitable for applications in robotics, automation, and precision motion control systems.

Pinout

The L6470H is a fully integrated microstepping motor driver with built-in microcontroller and power stage, designed for driving bipolar stepper motors. It comes with a 36-pin VFQFPN (Very Thin Quad Flat Package No lead) package.
Key functions of the L6470H include:
- Microstepping: Capable of driving a motor with up to 128 microsteps per full step.
- Current Control: Internal PWM current control algorithm to maintain constant motor current.
- Voltage Protection: Provides under-voltage and overcurrent protection.
- SPI Interface: Allows communication with a host microcontroller for configuration and control.
- Motor Control: Includes features for speed and position control, as well as a step-clock mode for external pulse control.
- Diagnostics: Offers fault detection and signaling for over-temperature and other error conditions.
This integrated solution is ideal for applications like industrial automation, robotics, and precision control systems.

Manufacturer

The L6470H is manufactured by STMicroelectronics. STMicroelectronics is a multinational electronics and semiconductor manufacturer. The company designs, develops, and produces a wide range of semiconductor products used in various applications, including automotive, industrial, personal electronics, and communications equipment. STMicroelectronics is known for its innovation in microelectronics and offers a comprehensive portfolio of products, including microcontrollers, sensors, power management devices, and analog components. The company operates globally and serves a diverse set of industries, providing solutions that are integral to modern electronic systems.

Application

The L6470H is a fully integrated microstepping motor driver with a range of application areas that include robotics, industrial automation, and 3D printing. It is suitable for motion control in CNC machines, where precise positioning is crucial. The driver is also used in camera positioning systems for accurate and smooth movement. Additionally, it can be utilized in medical devices that require precise motor control, such as infusion pumps. The L6470H is also ideal for vending machines and other automated systems that require reliable motor operation. Its versatility and advanced features make it suitable for any application needing efficient and precise stepper motor control.

Package

The L6470H is available in a 36-lead VFQFPN (Very Fine pitch Quad Flat Package No-leads) package, which is compact and suitable for space-constrained applications.

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