VNQ5050K-E

Product Overview

Category: Integrated Circuit (IC)

Use: The VNQ5050K-E is a power driver IC designed for automotive applications. It is specifically used for driving resistive, inductive, and capacitive loads.

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

Package: The VNQ5050K-E is available in a PowerSSO-24 package, which provides excellent thermal performance and high power dissipation.

Essence: This IC is essential for controlling various loads in automotive systems, ensuring efficient and reliable operation.

Packaging/Quantity: The VNQ5050K-E is typically sold in reels containing 250 units per reel.

Specifications

• Supply Voltage Range: 5V to 36V
• Output Current: Up to 5A
• Operating Temperature Range: -40°C to +150°C
• Standby Current: 1µA (max)
• On-State Resistance: 0.04Ω (typ)
• Fault Detection Threshold: 7.5V (typ)

Detailed Pin Configuration

The VNQ5050K-E has a total of 24 pins, which are assigned as follows:

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. VCC: Supply voltage
11. VBB: Bootstrap voltage
12. VCP: Charge pump voltage
13. VSENSE1: Current sense 1
14. VSENSE2: Current sense 2
15. VSENSE3: Current sense 3
16. VSENSE4: Current sense 4
17. VREF: Reference voltage
18. VREG: Regulator output voltage
19. VSUPPLY: Supply voltage for internal logic
20. NC: Not connected
21. NC: Not connected
22. NC: Not connected
23. NC: Not connected
24. NC: Not connected

Functional Features

• High current driving capability allows the VNQ5050K-E to handle demanding loads in automotive systems.
• Low saturation voltage minimizes power dissipation and improves overall efficiency.
• Overtemperature protection ensures safe operation by preventing excessive heat buildup.
• Short-circuit protection safeguards the IC and connected components from damage during fault conditions.
• ESD protection protects the IC against electrostatic discharge, enhancing its reliability.

Advantages and Disadvantages

Advantages: - High current capability enables driving of various loads. - Low saturation voltage reduces power losses. - Comprehensive protection features enhance system reliability. - Suitable for automotive applications due to its robustness and temperature range.

Disadvantages: - Limited number of outputs (4) may not be sufficient for complex systems requiring more channels. - Higher cost compared to simpler driver ICs with fewer features.

Working Principles

The VNQ5050K-E operates based on a combination of input control signals and internal circuitry. When the input control signals are activated, the IC drives the corresponding outputs, allowing current to flow through the connected load. The internal protection mechanisms ensure safe operation under different conditions, such as overtemperature or short-circuits.

Detailed Application Field Plans

The VNQ5050K-E is widely used in automotive applications, including but not limited to: - Automotive lighting systems - Motor control for power windows and mirrors - HVAC (Heating, Ventilation, and Air Conditioning) systems - Electronic power steering - Engine management systems

Detailed and Complete Alternative Models

1. VNQ600K-E: Similar to VNQ5050K-E but with higher current capability (up to 6A).
2. VNQ700K-E: Enhanced version with additional protection features and improved thermal performance.
3. VNQ800K-E: Higher voltage range (up to 48V) suitable for specific automotive applications.

These alternative models offer similar functionality and can be considered as alternatives to the VNQ5050K-E based on specific requirements.

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