VNQ7140AJ-E

Product Overview

Category

The VNQ7140AJ-E belongs to the category of integrated circuits (ICs) specifically designed for automotive applications.

Use

This IC is primarily used as a high-side driver for controlling resistive, inductive, and capacitive loads in automotive systems.

Characteristics

• The VNQ7140AJ-E is a monolithic device that combines a DMOS power switch with protection and diagnostic functions.
• It operates at a wide supply voltage range of 5.5V to 36V, making it suitable for various automotive applications.
• The IC can handle load currents up to 40A continuously and peak currents up to 60A.
• It features built-in thermal shutdown and overcurrent protection mechanisms to ensure safe operation.
• The VNQ7140AJ-E also includes diagnostic outputs for fault detection and reporting.

Package

This IC is available in a PowerSSO-36 package, which provides excellent thermal performance and easy mounting on printed circuit boards.

Essence

The VNQ7140AJ-E is an essential component in automotive electronic systems, enabling efficient and reliable control of various loads.

Packaging/Quantity

The VNQ7140AJ-E is typically sold in reels containing 250 units per reel.

Specifications

• Supply Voltage Range: 5.5V to 36V
• Continuous Load Current: Up to 40A
• Peak Load Current: Up to 60A
• Operating Temperature Range: -40°C to +150°C
• Package Type: PowerSSO-36

Detailed Pin Configuration

The VNQ7140AJ-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
6. OUT1: Output 1
7. OUT2: Output 2
8. OUT3: Output 3
9. OUT4: Output 4
10. VBB: High-side power supply voltage
11. VS: Low-side power supply voltage
12. DIAG1: Diagnostic output 1
13. DIAG2: Diagnostic output 2
14. DIAG3: Diagnostic output 3
15. DIAG4: Diagnostic output 4
16. VCP: Charge pump capacitor
17. CP1: Charge pump input 1
18. CP2: Charge pump input 2
19. CP3: Charge pump input 3
20. CP4: Charge pump input 4
21. VSENSE1: Current sense input 1
22. VSENSE2: Current sense input 2
23. VSENSE3: Current sense input 3
24. VSENSE4: Current sense input 4
25. VREF: Reference voltage
26. VREG: Internal regulator output
27. VCP_EXT: External charge pump capacitor connection
28. NC: No connection
29. NC: No connection
30. NC: No connection
31. NC: No connection
32. NC: No connection
33. NC: No connection
34. NC: No connection
35. NC: No connection
36. NC: No connection

Functional Features

• High-side driver for automotive applications
• DMOS power switch with protection and diagnostic functions
• Wide supply voltage range for versatility
• Built-in thermal shutdown and overcurrent protection mechanisms
• Diagnostic outputs for fault detection and reporting

Advantages and Disadvantages

Advantages

• Efficient and reliable control of various loads in automotive systems
• Wide operating voltage range allows for compatibility with different power sources
• Built-in protection mechanisms ensure safe operation
• Diagnostic outputs aid in fault detection and troubleshooting

Disadvantages

• Limited to automotive applications, not suitable for other industries
• May require additional external components for specific system requirements

Working Principles

The VNQ7140AJ-E operates as a high-side driver by receiving input control signals and providing corresponding output signals to control loads. It utilizes a DMOS power switch to handle load currents and incorporates protection and diagnostic functions to ensure safe and reliable operation. The IC's working principle involves monitoring input signals, regulating power supply voltages, and providing diagnostic outputs for fault detection.

Detailed Application Field Plans

The VNQ7140AJ-E is widely used in various automotive applications, including but not limited to:

1. Automotive lighting systems: Controlling headlights, taillights, and interior lighting.
2. Motor control: Driving motors for window regulators, windshield wipers, and HVAC systems.
3. Power distribution: Managing power distribution in automotive electrical systems.
4. Actuator control: Operating actuators for door locks