VN7140ASTR-E

Product Overview

Category: Integrated Circuit (IC)

Use: The VN7140ASTR-E is a high-side smart power solid-state relay designed for automotive applications. It provides a reliable and efficient solution for controlling various loads in automotive systems.

Characteristics: - High-side switch - Solid-state relay - Automotive-grade - Low power consumption - Over-temperature protection - Short-circuit protection - ESD protection

Package: The VN7140ASTR-E comes in a compact surface-mount package, making it suitable for space-constrained automotive applications.

Essence: This IC serves as a robust and versatile solid-state relay, enabling precise control of loads in automotive systems while ensuring safety and reliability.

Packaging/Quantity: The VN7140ASTR-E is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply voltage: 4.5V to 36V
• Output current: up to 40A
• On-state resistance: 25mΩ
• Operating temperature range: -40°C to +150°C
• Input logic compatibility: CMOS/TTL

Detailed Pin Configuration

The VN7140ASTR-E features the following pin configuration:

1. VCC: Supply voltage input
2. IN: Logic input for controlling the relay state
3. OUT: Output terminal connected to the load
4. GND: Ground reference

Functional Features

• High-side switching capability allows direct control of loads connected to the positive supply voltage.
• Solid-state relay technology ensures fast and reliable switching without mechanical wear.
• Over-temperature protection prevents damage to the IC during excessive heat conditions.
• Short-circuit protection safeguards the IC and the load from potential damage.
• ESD protection defends against electrostatic discharge, enhancing the IC's robustness.

Advantages and Disadvantages

Advantages: - High reliability due to solid-state relay technology - Low power consumption - Wide operating temperature range - Compact package suitable for automotive applications - Over-temperature and short-circuit protection enhance safety

Disadvantages: - Relatively high on-state resistance compared to mechanical relays - Limited output current compared to some high-power applications

Working Principles

The VN7140ASTR-E operates by receiving a logic input signal (IN) that controls the state of the relay. When the input is high, the relay turns on, allowing current to flow from the supply voltage (VCC) through the load connected to the output terminal (OUT). Conversely, when the input is low, the relay turns off, interrupting the current flow.

Detailed Application Field Plans

The VN7140ASTR-E finds extensive use in various automotive applications, including but not limited to:

1. Automotive lighting control systems
2. Power window control
3. Seat heating/cooling control
4. HVAC (Heating, Ventilation, and Air Conditioning) systems
5. Motor control for fans, pumps, and actuators
6. Battery management systems

Detailed and Complete Alternative Models

1. VN7010ASTR-E: Similar high-side smart power solid-state relay with lower output current capability.
2. VN7150ASTR-E: Similar high-side smart power solid-state relay with higher output current capability.
3. VN7300ASTR-E: High-side smart power solid-state relay with additional diagnostic features.

These alternative models offer different specifications and capabilities, allowing users to choose the most suitable option based on their specific requirements.

In conclusion, the VN7140ASTR-E is a reliable and efficient high-side smart power solid-state relay designed for automotive applications. With its robust features, compact package, and wide range of applications, it provides an excellent solution for controlling various loads in automotive systems.