L9942XP1TR - STMicroelectronics

Manufacturer Part Number

L9942XP1TR

Manufacturer

STMicroelectronics

Introduction

The L9942XP1TR is a sophisticated power management integrated circuit designed for driving bipolar stepper motors, incorporating both control logic and power stage in a single package.

Product Features and Performance

Fully integrated driver, control, and power stage for bipolar stepper motors

Supports various step resolutions: full, 1/2, 1/8, 1/16, and 1/32 steps for precise motor control

Utilizes advanced DMOS technology for improved performance

SPI interface for programmable control options

Operates over a wide supply voltage range (3V to 5.3V) and load voltage range (7V to 20V)

Can sustain output currents up to 1.3A

High operating temperature range from -40°C to 150°C

Product Advantages

Integrates multiple functions reducing system complexity and BOM

High step resolution options enable smooth and accurate motor control

SPI interface allows for easy communication and configuration

Wide voltage and temperature operating ranges make it suitable for challenging environments

Robust DMOS technology enhances reliability and performance

Key Technical Parameters

Motor Type: Bipolar Stepper

Output Configuration: Half Bridge (4)

Interface: SPI

Step Resolution: 1, 1/2, 1/8, 1/16, 1/32

Current Output: 1.3A

Voltage Supply: 3V to 5.3V

Voltage Load: 7V to 20V

Operating Temperature: -40°C to 150°C

Quality and Safety Features

Designed in compliance with automotive quality standards to ensure high reliability and performance under harsh conditions

Compatibility

Flexible interface and voltage compatibility allow for integration with a broad range of microcontrollers and systems

Application Areas

Primarily targeted at the automotive sector, including applications like precision motor control in automotive systems

Product Lifecycle

Currently in the Active phase with no announced plans for discontinuation, ensuring long-term availability and support

Several Key Reasons to Choose This Product

High integration level simplifies design and reduces time-to-market

Supports a wide range of motor control applications with various step resolutions

Designed to meet stringent automotive standards, ensuring reliability and robustness

Broad compatibility with microcontrollers due to SPI interface

Supported by STMicroelectronics' reputation for quality and support in power management technologies