L6474HTR - STMicroelectronics

Manufacturer Part Number

L6474HTR

Manufacturer

STMicroelectronics

Introduction

The L6474HTR is part of STMicroelectronics' STSPIN family, focusing on power management specifically for motor drivers and controllers.

Product Features and Performance

Fully integrated driver for bipolar stepper motors

Integrated power stage with half-bridge configuration

SPI interface for control signals

Advanced DMOS technology

16-step resolution, adjustable from full-step to 1/16 microstepping

Supports a wide operating voltage range

Product Advantages

High-integration reduces external component count

High-temperature operation up to 150°C

Efficient power management for reduced power dissipation

Key Technical Parameters

3A maximum output current

3V and 5V power supply options

Load voltage capability from 8V to 45V

Surface mount 28-TSSOP package with exposed pad for thermal dissipation

Quality and Safety Features

Overtemperature shutdown

Non-dissipative overcurrent protection

Cross conduction protection

Compatibility

Compatible with a variety of bipolar stepper motors

Interfaces with microcontrollers or microprocessors through SPI

Application Areas

Suitable for a wide range of general-purpose applications

Product Lifecycle

Product status is active

No indication of nearing discontinuation

Replacements and upgrades available in the STSPIN L64 series

Several Key Reasons to Choose This Product

High integration levels for simplified design and reduced board space

Flexible power supply and motor voltage ranges accommodate various applications

Thermal protection features ensure reliability and safety

Advanced control through SPI enhances functionalities

Part of a reputable family of motor controllers with support from STMicroelectronics