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VNQ7140AJTR-E
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VNQ7140AJTR-E

Product Overview

Category

The VNQ7140AJTR-E belongs to the category of integrated circuits (ICs) specifically designed for automotive applications.

Use

This IC is commonly used in automotive systems for controlling various electrical loads, such as motors and solenoids.

Characteristics

  • High current capability: The VNQ7140AJTR-E can handle currents up to 40A, making it suitable for demanding automotive applications.
  • Low power dissipation: This IC has a low on-resistance, resulting in minimal power loss during operation.
  • Overtemperature protection: It incorporates a thermal shutdown feature that protects the device from overheating.
  • Short-circuit protection: The VNQ7140AJTR-E includes built-in short-circuit detection and protection mechanisms.

Package

The VNQ7140AJTR-E is available in a compact PowerSSO-36 package, which provides excellent thermal performance and ease of mounting.

Essence

This IC serves as a high-side driver for automotive applications, enabling efficient control of electrical loads with high current requirements.

Packaging/Quantity

The VNQ7140AJTR-E is typically supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

  • Supply voltage range: 5.5V to 36V
  • On-state resistance: 19mΩ (max)
  • Operating temperature range: -40°C to +150°C
  • Standby current: 1μA (typ)
  • Output current: Up to 40A
  • Fault detection output: Open drain

Detailed Pin Configuration

The VNQ7140AJTR-E features a PowerSSO-36 package with the following pin configuration:

  1. IN1: Input control signal 1
  2. IN2: Input control signal 2
  3. IN3: Input control signal 3
  4. IN4: Input control signal 4
  5. GND: Ground reference
  6. OUT1: Output 1
  7. OUT2: Output 2
  8. OUT3: Output 3
  9. OUT4: Output 4
  10. VBB: Positive power supply
  11. VCC: Logic power supply
  12. VCP: Charge pump voltage
  13. VSENSE1: Current sense input 1
  14. VSENSE2: Current sense input 2
  15. VSENSE3: Current sense input 3
  16. VSENSE4: Current sense input 4
  17. FAULT: Fault detection output
  18. NC: Not connected
  19. NC: Not connected
  20. NC: Not connected
  21. NC: Not connected
  22. NC: Not connected
  23. NC: Not connected
  24. NC: Not connected
  25. NC: Not connected
  26. NC: Not connected
  27. NC: Not connected
  28. NC: Not connected
  29. NC: Not connected
  30. NC: Not connected
  31. NC: Not connected
  32. NC: Not connected
  33. NC: Not connected
  34. NC: Not connected
  35. NC: Not connected
  36. NC: Not connected

Functional Features

  • High-side driver: The VNQ7140AJTR-E can drive loads connected to its outputs with high current capability.
  • Overtemperature protection: It incorporates a thermal shutdown feature that disables the outputs when the temperature exceeds a certain threshold.
  • Short-circuit protection: The IC detects and protects against short circuits, preventing damage to the device and the load.
  • Fault detection output: The fault pin provides an indication of any detected faults, allowing for system-level diagnostics.

Advantages and Disadvantages

Advantages

  • High current handling capability enables use in demanding automotive applications.
  • Low power dissipation results in minimal energy loss during operation.
  • Integrated protection features enhance system reliability and safety.
  • Compact package facilitates easy mounting and thermal management.

Disadvantages

  • Limited number of outputs may restrict the number of loads that can be controlled simultaneously.
  • The high-side driver configuration may require additional circuitry for driving low-side loads.

Working Principles

The VNQ7140AJTR-E operates as a high-side driver by controlling the voltage across the load connected to its outputs. It utilizes internal MOSFETs to switch the load on and off based on the input control signals. The IC incorporates various protection mechanisms, such as overtemperature and short-circuit detection, to ensure safe and reliable operation in automotive environments.

Detailed Application Field Plans

The VNQ7140AJTR-E finds extensive application in the automotive industry, particularly in systems requiring high-current load control. Some specific application areas include:

  1. Electric power steering: The IC can be used to drive the motor responsible for power-assisted steering in vehicles

技術ソリューションにおける VNQ7140AJTR-E の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of VNQ7140AJTR-E in technical solutions:

  1. Question: What is the VNQ7140AJTR-E?
    Answer: The VNQ7140AJTR-E is a quad channel high-side driver designed for automotive applications.

  2. Question: What is the maximum supply voltage for the VNQ7140AJTR-E?
    Answer: The maximum supply voltage for the VNQ7140AJTR-E is 36V.

  3. Question: What is the maximum output current per channel?
    Answer: The maximum output current per channel is 4A.

  4. Question: Can the VNQ7140AJTR-E handle short-circuit conditions?
    Answer: Yes, the VNQ7140AJTR-E has built-in protection features to handle short-circuit conditions.

  5. Question: Is the VNQ7140AJTR-E suitable for driving inductive loads?
    Answer: Yes, the VNQ7140AJTR-E is designed to drive inductive loads such as solenoids and motors.

  6. Question: Does the VNQ7140AJTR-E have thermal shutdown protection?
    Answer: Yes, the VNQ7140AJTR-E has thermal shutdown protection to prevent overheating.

  7. Question: Can I use the VNQ7140AJTR-E in both automotive and industrial applications?
    Answer: While the VNQ7140AJTR-E is primarily designed for automotive applications, it can also be used in certain industrial applications.

  8. Question: What is the operating temperature range for the VNQ7140AJTR-E?
    Answer: The operating temperature range for the VNQ7140AJTR-E is -40°C to +150°C.

  9. Question: Does the VNQ7140AJTR-E require external components for operation?
    Answer: Yes, the VNQ7140AJTR-E requires external components such as power supply and load connections.

  10. Question: Can I use multiple VNQ7140AJTR-E devices in parallel for higher current applications?
    Answer: Yes, you can use multiple VNQ7140AJTR-E devices in parallel to increase the overall current handling capability.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.