STMicroelectronics
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L9904TR
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L9904TR

Product Overview

Belongs to: Integrated Circuits (ICs)
Category: Automotive Electronics
Use: The L9904TR is a high-side driver for automotive applications, designed to control and drive inductive loads.
Characteristics: It features overcurrent protection, thermal shutdown, and diagnostic feedback.
Package: PowerSSO-36 exposed pad package
Essence: The L9904TR is essential for controlling inductive loads in automotive systems.
Packaging/Quantity: Available in reels of 2500 units.

Specifications

  • Operating Voltage: 5.5V to 36V
  • Output Current: 2A
  • Operating Temperature: -40°C to 150°C
  • Diagnostic Feedback: Open load detection, short to ground detection

Detailed Pin Configuration

  1. VCC
  2. IN1
  3. IN2
  4. OUT1
  5. OUT2
  6. GND
  7. DIAG
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Functional Features

  • Overcurrent protection
  • Thermal shutdown
  • Diagnostic feedback for open load and short to ground detection
  • High-side driver for inductive loads

Advantages and Disadvantages

Advantages: - Robust protection features - Wide operating voltage range - Suitable for automotive environments

Disadvantages: - Higher cost compared to basic drivers - Larger footprint due to the PowerSSO-36 package

Working Principles

The L9904TR operates by receiving input signals from the microcontroller and driving the inductive loads with the necessary current and protection mechanisms. It monitors the load conditions and provides diagnostic feedback to the system.

Detailed Application Field Plans

The L9904TR is widely used in automotive applications such as electronic power steering, transmission control, and engine management systems. Its robust features make it suitable for critical functions in modern vehicles.

Detailed and Complete Alternative Models

  • L9904
  • L9904XP
  • L9904XPTR
  • L9904TR-ND

In conclusion, the L9904TR is a versatile high-side driver designed for automotive applications, offering robust protection features and wide operating voltage range. Its use in critical automotive systems makes it an essential component in modern vehicle electronics.

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Énumérez 10 questions et réponses courantes liées à l'application de L9904TR dans les solutions techniques

Sure, here are 10 common questions and answers related to the application of L9904TR in technical solutions:

  1. What is the L9904TR?

    • The L9904TR is a quad high-side driver used for automotive applications, capable of driving four independent resistive or inductive loads with one supply voltage.

  2. What is the maximum output current of the L9904TR?

    • The L9904TR can handle a maximum output current of 0.7A per channel and 1.5A for all channels combined.

  3. What is the input voltage range of the L9904TR?

    • The input voltage range of the L9904TR is from 5V to 28V, making it suitable for use in automotive systems.

  4. Can the L9904TR handle short-circuit protection?

    • Yes, the L9904TR has built-in short-circuit protection for each channel, ensuring the safety of the system.

  5. Is the L9904TR compatible with PWM signals?

    • Yes, the L9904TR is compatible with PWM signals, allowing for pulse-width modulation of the output channels.

  6. What is the thermal shutdown temperature of the L9904TR?

    • The L9904TR has a thermal shutdown temperature of approximately 150°C, protecting the device from overheating.

  7. Does the L9904TR require external freewheeling diodes?

    • No, the L9904TR has integrated freewheeling diodes, simplifying the design and reducing external component count.

  8. Can the L9904TR be used in harsh automotive environments?

    • Yes, the L9904TR is designed to operate in harsh automotive environments, with a wide temperature range and robust construction.

  9. What is the typical quiescent current of the L9904TR?

    • The typical quiescent current of the L9904TR is around 3mA, minimizing power consumption when idle.

  10. Is the L9904TR available in a surface-mount package?

    • Yes, the L9904TR is available in a surface-mount PowerSSO-36 package, making it suitable for modern compact designs.

I hope these questions and answers provide helpful information about the application of L9904TR in technical solutions. Let me know if you need further assistance!