VN7140AS-E

Product Overview

Category: Integrated Circuit (IC)

Use: The VN7140AS-E is a high-performance power driver IC designed for controlling inductive loads in automotive applications. It is specifically used for driving resistive or inductive loads such as solenoids, relays, and motors.

Characteristics: - High current capability - Low saturation voltage - Built-in protection features - Wide operating temperature range - Automotive-grade reliability

Package: The VN7140AS-E is available in a compact surface-mount package, making it suitable for space-constrained applications.

Essence: The essence of the VN7140AS-E lies in its ability to provide efficient and reliable control of inductive loads in automotive systems.

Packaging/Quantity: The VN7140AS-E is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 4.5V to 36V
• Output Current: Up to 40A
• On-State Resistance: 25mΩ (max)
• Operating Temperature Range: -40°C to +150°C
• Input Logic Compatibility: CMOS/TTL

Detailed Pin Configuration

The VN7140AS-E features a multi-pin configuration that enables easy integration into various circuit designs. The pinout diagram is as follows:

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| | | VN7140AS | |_______________|

   Pinout:

    1  GND
    2  IN
    3  OUT
    4  VCC

```

Functional Features

• High Current Capability: The VN7140AS-E can handle high currents up to 40A, making it suitable for demanding automotive applications.
• Low Saturation Voltage: The IC exhibits low saturation voltage, minimizing power dissipation and improving overall efficiency.
• Built-in Protection Features: It incorporates various protection mechanisms such as overcurrent protection, thermal shutdown, and reverse polarity protection, ensuring safe operation and preventing damage to the IC and connected loads.
• Wide Operating Temperature Range: With an operating temperature range of -40°C to +150°C, the VN7140AS-E can withstand extreme environmental conditions commonly encountered in automotive systems.

Advantages and Disadvantages

Advantages: - High current handling capability - Low power dissipation - Built-in protection features enhance system reliability - Wide operating temperature range allows for versatile applications

Disadvantages: - Limited pin configuration options - Requires external components for complete circuit implementation

Working Principles

The VN7140AS-E operates based on a combination of internal MOSFETs and control circuitry. When an appropriate input signal is applied, the IC switches the output stage, allowing current flow through the load. The built-in protection features ensure safe operation by monitoring various parameters and taking necessary actions in case of faults or abnormal conditions.

Detailed Application Field Plans

The VN7140AS-E finds extensive use in automotive applications, including but not limited to: - Automotive lighting systems - Power window controls - Central locking systems - Seat adjustment mechanisms - HVAC (Heating, Ventilation, and Air Conditioning) systems

Detailed and Complete Alternative Models

1. VN7020AS: Similar to VN7140AS-E, but with lower current handling capability (up to 20A).
2. VN7300AS: Higher current variant, capable of handling up to 60A.
3. VN7600AS: Enhanced version with additional protection features and extended temperature range.

These alternative models provide flexibility in choosing the right IC based on specific application requirements.

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