VN820-B5

Product Overview

Category: Integrated Circuits (ICs)

Use: The VN820-B5 is a high-side driver IC designed for automotive applications. It is specifically used to control resistive, inductive, and capacitive loads in automotive systems.

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

Package: The VN820-B5 is available in a compact surface-mount package, which ensures easy integration into automotive electronic systems.

Essence: The essence of the VN820-B5 lies in its ability to provide reliable and efficient control over various types of loads in automotive applications.

Packaging/Quantity: The VN820-B5 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

The VN820-B5 offers the following specifications:

• Supply Voltage Range: 4.5V to 36V
• Output Current: Up to 1.5A
• On-State Resistance: 0.3Ω (typical)
• Operating Temperature Range: -40°C to +150°C
• Standby Current: 10µA (typical)

Pin Configuration

The VN820-B5 features a 5-pin configuration as follows:

1. IN: Input pin for controlling the high-side switch.
2. OUT: Output pin connected to the load.
3. GND: Ground reference pin.
4. EN: Enable pin for activating the high-side switch.
5. VS: Supply voltage pin.

Functional Features

The VN820-B5 offers the following functional features:

• High-side switch control for various loads.
• Overtemperature protection to prevent damage due to excessive heat.
• Short-circuit protection to safeguard against load faults.
• Electrostatic discharge (ESD) protection for enhanced reliability.
• Low standby current consumption to minimize power loss.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with different automotive systems. - High output current capability enables control of various loads. - Overtemperature and short-circuit protection enhance system safety. - ESD protection ensures reliable operation in harsh environments. - Low standby current consumption reduces power consumption.

Disadvantages: - Limited output current compared to some other high-side driver ICs. - Higher on-state resistance may result in slightly higher power dissipation.

Working Principles

The VN820-B5 operates based on the principle of high-side switch control. When the input signal is applied to the IN pin, the internal circuitry activates the high-side switch, allowing current to flow from the supply voltage pin (VS) to the load connected to the OUT pin. The EN pin can be used to enable or disable the high-side switch as required.

Detailed Application Field Plans

The VN820-B5 finds extensive application in automotive systems, including but not limited to:

1. Automotive lighting systems
2. Motor control in HVAC systems
3. Power distribution modules
4. Electronic braking systems
5. Fuel injection systems

Detailed and Complete Alternative Models

For applications requiring similar functionality, the following alternative models can be considered:

1. VN808CM-E: Offers lower on-state resistance and higher output current capability.
2. VN1160SP-E: Provides additional diagnostic features for load fault detection.
3. VN750SPTRE: Suitable for applications requiring lower supply voltage range.

These alternative models offer flexibility in choosing the most suitable high-side driver IC based on specific application requirements.

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