INA300AQDGSRQ1

Product Overview

Category: Integrated Circuit (IC)

Use: The INA300AQDGSRQ1 is a high-side current sense amplifier designed for automotive applications. It provides accurate current measurements in various systems such as battery management, motor control, and power distribution.

Characteristics: - High accuracy and precision - Wide input voltage range - Low offset voltage and low quiescent current - High common-mode rejection ratio (CMRR) - Overvoltage and reverse polarity protection

Package: The INA300AQDGSRQ1 comes in a small-sized VSSOP-8 package, which allows for space-efficient integration into automotive electronic systems.

Essence: The essence of the INA300AQDGSRQ1 lies in its ability to accurately measure current in automotive applications, ensuring safe and efficient operation of various systems.

Packaging/Quantity: The INA300AQDGSRQ1 is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Common-Mode Voltage Range: -0.3V to +26V
• Quiescent Current: 60µA (typical)
• Gain Bandwidth Product: 500kHz (typical)
• Output Voltage Swing: 0V to Vcc - 1.2V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA300AQDGSRQ1 has the following pin configuration:

1. V+ (Positive Supply Voltage)
2. IN+ (Positive Current Sense Input)
3. IN- (Negative Current Sense Input)
4. REF (Reference Voltage)
5. OUT (Output)
6. GND (Ground)
7. SET (Gain Setting)
8. V- (Negative Supply Voltage)

Functional Features

• High accuracy current sensing
• Overvoltage and reverse polarity protection
• Wide input voltage range for versatile applications
• Low offset voltage and low quiescent current for power efficiency
• High common-mode rejection ratio (CMRR) for noise immunity

Advantages and Disadvantages

Advantages: - Accurate and precise current measurements - Suitable for automotive applications - Robust protection features - Versatile input voltage range - Low power consumption

Disadvantages: - Limited gain bandwidth product compared to some other models - Relatively small package size may require careful PCB layout

Working Principles

The INA300AQDGSRQ1 operates based on the principle of measuring the voltage drop across a sense resistor in series with the load. It amplifies this voltage drop and provides an output proportional to the current flowing through the load. The device incorporates various protection features to ensure safe operation in automotive environments.

Detailed Application Field Plans

The INA300AQDGSRQ1 finds application in various automotive systems, including: - Battery management systems - Motor control units - Power distribution modules - Electric vehicle charging systems - Lighting control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the INA300AQDGSRQ1 include: - INA301AQDGSRQ1 - INA302AQDGSRQ1 - INA303AQDGSRQ1 - INA304AQDGSRQ1

These models provide comparable performance and can be considered as alternatives depending on specific application requirements.

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