NCV7708ADWR2G

Product Overview

Category

The NCV7708ADWR2G belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in automotive applications, specifically in electronic control units (ECUs) for various systems such as powertrain, body control, and safety.

Characteristics

• The NCV7708ADWR2G is a high-performance, eight-channel low-side smart power switch.
• It is designed to handle high current loads with low on-resistance.
• This IC offers protection features like overcurrent, overtemperature, and short-circuit protection.
• It operates at a wide input voltage range, making it suitable for automotive applications.
• The device is capable of driving various types of loads, including inductive loads.

Package and Quantity

The NCV7708ADWR2G is available in a surface-mount package known as SOIC-16. It comes in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 5.5V
• Output Current: Up to 6A per channel
• On-Resistance: Typically 50mΩ
• Operating Temperature Range: -40°C to +125°C
• Supply Current: Typically 10μA in standby mode

Pin Configuration

The NCV7708ADWR2G has a total of 16 pins arranged as follows:

Pin 1: GND Pin 2: Channel 1 Output Pin 3: Channel 2 Output Pin 4: Channel 3 Output Pin 5: Channel 4 Output Pin 6: Channel 5 Output Pin 7: Channel 6 Output Pin 8: Channel 7 Output Pin 9: Channel 8 Output Pin 10: VBAT Pin 11: Channel 1 Input Pin 12: Channel 2 Input Pin 13: Channel 3 Input Pin 14: Channel 4 Input Pin 15: Channel 5 Input Pin 16: Channel 6 Input

Functional Features

• Overcurrent Protection: The NCV7708ADWR2G incorporates overcurrent protection for each channel, preventing damage to the device and load.
• Overtemperature Protection: It includes built-in thermal shutdown protection, ensuring safe operation even under high-temperature conditions.
• Short-Circuit Protection: The IC detects short-circuits and shuts down the affected channel to prevent further damage.
• Diagnostic Feedback: The device provides diagnostic feedback through a fault flag pin, indicating any detected faults or abnormal conditions.

Advantages and Disadvantages

Advantages

• High-performance smart power switch suitable for automotive applications.
• Wide input voltage range allows compatibility with various systems.
• Robust protection features ensure reliable operation and prevent damage.
• Capable of driving high-current loads with low on-resistance.

Disadvantages

• Limited to low-side switching applications.
• Requires careful consideration of heat dissipation due to high current handling.

Working Principles

The NCV7708ADWR2G operates as a low-side switch, controlling the ground path of the connected load. When an input signal is applied to the corresponding channel input pin, the internal MOSFET turns on, allowing current to flow through the load. The device continuously monitors the load current and temperature, providing protection against overcurrent and overtemperature conditions. In case of a fault or short circuit, the affected channel is shut down to prevent further damage.

Application Field Plans

The NCV7708ADWR2G finds extensive use in automotive electronic control units (ECUs) for various applications, including:

1. Powertrain Systems: It can be employed in engine control modules (ECMs) and transmission control modules (TCMs) to drive solenoids, fuel injectors, and other powertrain components.
2. Body Control Modules: The IC is suitable for controlling lighting systems, power windows, door locks, and other body control functions.
3. Safety Systems: It can be utilized in electronic stability control (ESC) modules, anti-lock braking system (ABS) modules, and airbag control units (ACUs) for driving actuators and sensors.

Alternative Models

• NCV7708BDR2G
• NCV7708CDWR2G
• NCV7708DWR2G

These alternative models offer similar functionality and characteristics, providing flexibility in design and sourcing options.

In conclusion, the NCV7708ADWR2G is a high-performance smart power switch designed for automotive applications. With its robust protection features, wide input voltage range, and ability to handle high-current loads, it serves as a reliable solution for various electronic control units.