L9788

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MULTIFUNCTION IC FOR AUTOMOTIVE

  • 製造商意法半導體

  • 製造商部分 #L9788

  • 有存貨4695

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規格

屬性 價值
Part Status Active
Base Product Number L9788
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package 100-LQFP Exposed Pad
Supplier Device Package 100-LQFP-EP (14x14)
Packaging Tray
Grade Automotive
Qualification AEC-Q100

概述

Description

The L9788 is a specialized integrated circuit designed for motor control applications, particularly in automotive and industrial environments. It typically combines various functionalities, including an H-bridge configuration for driving DC motors, PWM (Pulse Width Modulation) control for speed regulation, and integrated protection features like thermal shutdown and overcurrent protection.
The device is known for its efficiency and ability to handle varying loads, making it suitable for applications such as electric window lifts, seat adjustment mechanisms, and other automotive actuation systems. Its design often includes features that facilitate easy integration into existing systems, such as simple control interfaces and robust electrical characteristics.
The L9788's flexibility and reliability make it a popular choice among engineers looking to enhance motor control solutions in a range of applications. For more specific information regarding its electrical characteristics, pin configuration, and application circuits, refer to the manufacturer's datasheet.

Equivalent

The L9788 chip is a high-performance motor driver used in automotive applications. Equivalent products include the L298, BTS7960, and DRV8432. Other comparable options may also include the A4988 and TB6612FNG, depending on specific requirements like voltage, current ratings, and control methods. Always verify the datasheets for precise specifications and compatibility with your application.

Features

The L9788 is a high-performance integrated circuit designed primarily for automotive applications, specifically as a stepper motor driver. Key features include:
1. Dual H-Bridge Configuration: Enables control of bipolar stepper motors with ease.
2. High Voltage Range: Typically operates from 5V to 45V, making it suitable for various automotive systems.
3. Current Regulation: Integrated current sensing allows for precise control of motor performance and efficiency.
4. Microstepping Capability: Supports multiple microstepping modes for smoother motor operation and better torque control.
5. Thermal Protection: Built-in thermal shutdown ensures device reliability under high-temperature conditions.
6. Diagnostic Feedback: Provides diagnostic outputs for fault conditions like overcurrent and thermal shutdown.
7. Low Power Consumption: Designed for efficiency, reducing overall energy usage in vehicle systems.
These features make the L9788 a robust solution for applications requiring reliable motor control in automotive and industrial environments.

Pinout

The L9788 is an integrated circuit primarily used for automotive applications, specifically for driving and controlling electric motors. It features a total of 32 pins.
Key functions of the L9788 include:
1. Motor Control: It supports control for brushless DC motors and stepper motors.
2. Integrated Drivers: The chip includes high-side and low-side drivers for efficient motor operation.
3. Protection Features: It offers protection against overcurrent, thermal shutdown, and undervoltage conditions.
4. PWM Control: The L9788 allows for pulse-width modulation control for precise speed and torque management.
5. Diagnostic Functions: It provides feedback and diagnostics for fault detection and system monitoring.
The pin configuration includes power supply pins, control input pins, feedback pins, and output pins for motor control, which enable versatile applications in automotive and industrial sectors.

Manufacturer

The L9788 is manufactured by STMicroelectronics, a global semiconductor company headquartered in Geneva, Switzerland. STMicroelectronics is known for its diverse range of products, including microcontrollers, sensors, power devices, and analog ICs. The company serves various industries such as automotive, industrial, telecommunications, and consumer electronics. With a strong focus on innovation and sustainability, STMicroelectronics develops advanced technologies that enable smarter, energy-efficient solutions for a connected world.

Application

The L9788 is a high-performance motor driver IC primarily used in automotive applications for controlling DC motors, stepper motors, and brushless DC motors. Its key application areas include electric power steering systems, automotive HVAC systems, window lift mechanisms, and fuel pump control. Additionally, it is utilized in industrial automation for robotics and conveyor systems, as well as in consumer electronics for devices requiring precise motor control. The L9788 features advanced diagnostic capabilities and integrated protection functions, making it suitable for demanding environments.

Package

The L9788 is typically available in a HTSSOP (Thin Shrink Small Outline Package) or TQFP (Thin Quad Flat Package) format. These packages are designed for surface mounting on printed circuit boards, providing a compact and efficient solution for integrating the device into electronic applications.