L9753CAXPTR

Product Overview

Category: Integrated Circuit (IC)

Use: L9753CAXPTR is a specialized IC used in automotive applications for motor control and driver assistance systems.

Characteristics: - High-performance motor control capabilities - Designed for use in harsh automotive environments - Supports various motor types, including DC motors, stepper motors, and brushless DC motors - Provides precise control and monitoring of motor speed, torque, and position - Offers advanced diagnostic features for fault detection and protection

Package: L9753CAXPTR is available in a compact and robust package suitable for automotive applications. The package ensures reliable operation under extreme temperature and vibration conditions.

Essence: The essence of L9753CAXPTR lies in its ability to provide efficient and reliable motor control solutions for automotive systems, enhancing vehicle performance and safety.

Packaging/Quantity: L9753CAXPTR is typically supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage: 5V to 18V
• Operating Temperature Range: -40°C to +125°C
• Number of Pins: 32
• Communication Interface: SPI (Serial Peripheral Interface)
• Motor Control Channels: 3
• Maximum Output Current per Channel: 1.5A
• Fault Detection and Protection Features: Overcurrent, Overtemperature, Undervoltage, Short Circuit

Detailed Pin Configuration

The pin configuration of L9753CAXPTR is as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VDD | Power Supply (5V to 18V) | | 2 | GND | Ground | | 3 | MISO | SPI Master In Slave Out | | 4 | MOSI | SPI Master Out Slave In | | 5 | SCK | SPI Clock | | 6 | CS | SPI Chip Select | | 7-9 | OUT1-OUT3 | Motor Control Output Channels | | 10 | DIAG1 | Diagnostic Output for Channel 1 | | 11 | DIAG2 | Diagnostic Output for Channel 2 | | 12 | DIAG3 | Diagnostic Output for Channel 3 | | 13-16 | NC | Not Connected | | 17 | VREF | Reference Voltage Output | | 18-32 | NC | Not Connected |

Functional Features

• High-resolution motor control with precise speed, torque, and position control
• Advanced diagnostic capabilities for fault detection and protection
• Flexible motor type support, including DC motors, stepper motors, and brushless DC motors
• SPI communication interface for easy integration with microcontrollers and other devices
• Robust design for reliable operation in automotive environments
• Low power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages: - High-performance motor control capabilities - Advanced diagnostic features for enhanced system reliability - Wide range of supported motor types - Compact and robust package suitable for automotive applications - Efficient power management for energy savings

Disadvantages: - Limited number of motor control channels (3) - Requires external microcontroller or host device for complete system integration

Working Principles

L9753CAXPTR operates based on the principles of pulse-width modulation (PWM) and feedback control. It receives commands and control signals from a microcontroller or host device through the SPI interface. The IC then generates appropriate PWM signals to control the motor speed, torque, and position. Feedback signals from the motor are continuously monitored to ensure accurate control and detect any faults or abnormalities.

Detailed Application Field Plans

L9753CAXPTR finds extensive application in various automotive systems, including:

1. Electric Power Steering (EPS) Systems: Provides precise control of the steering motor, enhancing steering response and stability.
2. Electronic Throttle Control (ETC) Systems: Enables accurate control of throttle position, improving engine performance and fuel efficiency.
3. HVAC Blower Control: Controls the speed and direction of the blower motor in heating, ventilation, and air conditioning (HVAC) systems.
4. Headlamp Leveling Systems: Ensures proper adjustment of headlamp beam level based on vehicle load and road conditions.
5. Seat Adjustment Systems: Controls the motors for seat height, recline, and position adjustments in automotive seats.

Detailed and Complete Alternative Models

1. L9762-BC: Similar to L9753CAXPTR, this IC offers advanced motor control features with additional communication interfaces.
2. TLE9201SG: A compact motor driver IC suitable for automotive applications, providing high-performance motor control capabilities.
3. DRV8876: A versatile motor driver IC with integrated protection features, supporting