L6472HTR - STMicroelectronics

Manufacturer Part Number

L6472HTR

Manufacturer

STMicroelectronics

Introduction

STMicroelectronics' L6472HTR is a comprehensive motor driver solution for bipolar stepper motors.

Product Features and Performance

Fully integrated microstepping motor driver

Advanced motion engine with SPI interface

Programmable power MOSFETs with 16 microstep resolutions

Overcurrent, short-circuit, under-voltage, over-temperature protection features

Low RDS(on) output stages

Non-dissipative overcurrent detection and protection

0A peak sink/source, 3A r.m.s output current

Product Advantages

Supports complex motion sequences with minimal microcontroller involvement

Reduces power dissipation and increases efficiency

Enhanced ruggedness against electrical overstress

User-friendly configuration via SPI for flexible design options

Key Technical Parameters

Motor Type - Stepper: Bipolar

Output Configuration: Half Bridge (4)

Interface: SPI

Step Resolution: 1 ~ 1/16

Current - Output: 3A

Voltage - Supply: 3.3V, 5V

Voltage - Load: 8V ~ 45V

Operating Temperature: -40°C ~ 150°C (TJ)

Quality and Safety Features

Built-in thermal shutdown

Under-voltage lockout

Non-dissipative overcurrent protection

Over-temperature protection circuitry

Compatibility

Compatible with a wide range of bipolar stepper motors

Application Areas

Suitable for a variety of general-purpose applications including robotics, printers, cameras, and textile machines

Product Lifecycle

Active product with no indication of discontinuation; future availability of replacements or upgrades

Several Key Reasons to Choose This Product

High integration simplifies design

Energy efficiency and thermal management for reliable operation

Robustness and protection features to enhance system safety

Accessible advanced control via the SPI interface

Flexibility in supported motor profiles and performance gestion

Suitable for rapid development of sophisticated motor control systems