NCV7751DQR2G

Product Overview

Category

NCV7751DQR2G belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in automotive applications, specifically in motor control systems.

Characteristics

• NCV7751DQR2G is a highly efficient and compact device designed for motor control.
• It offers advanced features and protection mechanisms for reliable operation.
• The IC is optimized for automotive environments, with high temperature and voltage tolerance.

Package

NCV7751DQR2G is available in a small outline package (SOIC) with 16 pins.

Essence

The essence of NCV7751DQR2G lies in its ability to provide precise and efficient control over motors in automotive systems.

Packaging/Quantity

This IC is typically sold in reels containing a quantity of 2500 units per reel.

Specifications

• Supply Voltage: 4.5V to 28V
• Output Current: Up to 1.5A
• Operating Temperature Range: -40°C to +125°C
• PWM Frequency: Up to 20kHz
• Fault Detection and Protection Mechanisms: Overcurrent, Overtemperature, Undervoltage, and Short Circuit

Pin Configuration

The detailed pin configuration of NCV7751DQR2G is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power supply voltage input | | 2 | GND | Ground reference | | 3 | IN1 | Input for motor control signal 1 | | 4 | IN2 | Input for motor control signal 2 | | 5 | OUT1 | Motor output 1 | | 6 | OUT2 | Motor output 2 | | 7 | VREF | Reference voltage for internal circuitry | | 8 | DIAG | Diagnostic output | | 9 | FAULT | Fault indication output | | 10 | EN | Enable input | | 11 | CS | Current sense input | | 12 | VCP | Charge pump capacitor connection | | 13 | CP1 | Charge pump capacitor connection | | 14 | CP2 | Charge pump capacitor connection | | 15 | VREG | Regulator output | | 16 | VDDA | Analog power supply voltage input |

Functional Features

• Integrated gate drivers for two external N-channel MOSFETs.
• Built-in charge pump for high-side gate drive voltage generation.
• Adaptive dead-time control for efficient motor operation.
• Comprehensive fault detection and protection mechanisms.
• Adjustable current limit for precise motor control.

Advantages and Disadvantages

Advantages

• Compact size and high integration for space-constrained applications.
• Wide operating voltage range enables compatibility with various automotive systems.
• Robust protection mechanisms ensure reliable operation in harsh environments.
• Efficient motor control algorithms optimize power consumption.

Disadvantages

• Limited output current capability may not be suitable for high-power motor applications.
• Complex pin configuration may require careful PCB layout design.

Working Principles

NCV7751DQR2G operates by receiving motor control signals (IN1 and IN2) and generating corresponding gate drive signals to control the external MOSFETs. The integrated charge pump generates a higher voltage for driving the high-side MOSFET. The IC continuously monitors the motor current through the CS pin and provides fault indication through the FAULT pin in case of any abnormal conditions. The adaptive dead-time control ensures efficient switching between the MOSFETs, minimizing power losses.

Detailed Application Field Plans

NCV7751DQR2G finds extensive application in various automotive systems, including:

1. Electric power steering (EPS) systems
2. Electric braking systems
3. HVAC blower control
4. Fuel pump control
5. Cooling fan control
6. Window lift and sunroof control
7. Seat adjustment control

Detailed and Complete Alternative Models

1. NCV7708DQR2G
2. NCV7703DQR2G
3. NCV7701DQR2G
4. NCV7702DQR2G
5. NCV7709DQR2G
6. NCV7718DQR2G
7. NCV7719DQR2G
8. NCV7720DQR2G
9. NCV7721DQR2G
10. NCV7722DQR2G

These alternative models offer similar functionality and are suitable replacements for NCV7751DQR2G in motor control applications.

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