STMicroelectronics
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VN770K
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VN770K

Product Overview

Category: Integrated Circuit (IC)

Use: The VN770K is a versatile power switch designed for automotive applications. It is specifically used for controlling high-side loads in vehicles, such as lamps, motors, and solenoids.

Characteristics: - High voltage capability - Low standby current consumption - Overtemperature protection - Short-circuit protection - ESD protection

Package: The VN770K is available in a compact and robust PowerSSO-12 package, which ensures efficient heat dissipation and mechanical strength.

Essence: The VN770K is an essential component in automotive electrical systems, providing reliable and efficient control of high-side loads.

Packaging/Quantity: The VN770K is typically sold in reels containing 250 units per reel.

Specifications

  • Supply Voltage Range: 5V to 36V
  • On-state Resistance: 0.1Ω (max)
  • Output Current: 10A (continuous), 40A (peak)
  • Standby Current: 10µA (typ)
  • Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The VN770K features the following pin configuration:

  1. IN: Input control pin for turning the switch ON/OFF.
  2. OUT: Output pin connected to the load.
  3. GND: Ground reference pin.
  4. VS: Supply voltage pin.

Functional Features

  • High-Side Switching: The VN770K allows for easy control of high-side loads in automotive applications.
  • Overtemperature Protection: The IC incorporates thermal shutdown protection to prevent damage due to excessive temperature.
  • Short-Circuit Protection: The VN770K includes built-in short-circuit protection, ensuring the safety of the load and the IC itself.
  • ESD Protection: The IC is designed with electrostatic discharge (ESD) protection, safeguarding it against damage during handling and installation.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for compatibility with various automotive systems. - Low standby current consumption minimizes power loss. - Robust package ensures durability in harsh environments. - Overtemperature and short-circuit protection enhance system reliability. - ESD protection prevents damage during handling.

Disadvantages: - High on-state resistance may cause some power dissipation.

Working Principles

The VN770K operates as a high-side switch by controlling the flow of current from the supply voltage to the load. When the input control pin (IN) receives a logic high signal, the switch turns ON, allowing current to flow through the load. Conversely, when the input control pin receives a logic low signal, the switch turns OFF, cutting off the current flow.

Detailed Application Field Plans

The VN770K finds extensive use in various automotive applications, including: - Automotive lighting systems - Motor control circuits - Solenoid control circuits - Power distribution modules

Detailed and Complete Alternative Models

  1. VN750K: Similar to VN770K but with a lower output current rating of 5A.
  2. VN760K: Similar to VN770K but with a higher output current rating of 15A.
  3. VN780K: Similar to VN770K but with additional diagnostic features for fault detection.

These alternative models provide flexibility in choosing the appropriate power switch based on specific application requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af VN770K i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of VN770K in technical solutions:

  1. Q: What is VN770K? A: VN770K is a high-performance automotive network interface designed for testing and simulation of automotive electronic control units (ECUs).

  2. Q: What are the key features of VN770K? A: The key features of VN770K include support for various automotive bus systems, high data throughput, flexible configuration options, and compatibility with popular software tools.

  3. Q: Which automotive bus systems does VN770K support? A: VN770K supports commonly used automotive bus systems such as CAN, LIN, FlexRay, Ethernet, and MOST.

  4. Q: How can VN770K be used in technical solutions? A: VN770K can be used for ECU development, testing, and validation, as well as for analyzing and debugging automotive networks.

  5. Q: Can VN770K be integrated with existing software tools? A: Yes, VN770K is compatible with popular software tools like CANoe, CANalyzer, and others, allowing seamless integration into existing workflows.

  6. Q: What is the maximum data throughput of VN770K? A: VN770K offers a high data throughput of up to 1 Gbit/s, enabling efficient communication and analysis of automotive networks.

  7. Q: Is VN770K suitable for both laboratory and in-vehicle use? A: Yes, VN770K is designed to be used both in the laboratory environment and directly in vehicles, providing flexibility for different testing scenarios.

  8. Q: Can VN770K simulate faulty conditions in automotive networks? A: Yes, VN770K has the capability to simulate various fault conditions, allowing engineers to test the robustness of ECUs and network communication.

  9. Q: Does VN770K support remote access and control? A: Yes, VN770K can be accessed and controlled remotely, enabling distributed testing setups and remote collaboration.

  10. Q: Are there any additional accessories required to use VN770K? A: Depending on the specific use case, additional accessories such as cables, connectors, and adapters may be required for connecting VN770K to the target systems.

Please note that the answers provided here are general and may vary depending on the specific implementation and configuration of VN770K in different technical solutions.