INA2180A3QDGKRQ1

Product Overview

Category: Integrated Circuit (IC)

Use: The INA2180A3QDGKRQ1 is a high-side current sense amplifier designed for automotive applications. It is specifically used for monitoring and measuring the current flowing through a load in automotive systems.

Characteristics: - High accuracy current sensing - Wide input voltage range - Low offset voltage - High common-mode rejection ratio - Low quiescent current

Package: The INA2180A3QDGKRQ1 is available in a small 8-pin VSSOP package, which is suitable for space-constrained automotive applications.

Essence: This IC is essential for accurately measuring and monitoring current in automotive systems, ensuring proper functioning and protection of electrical components.

Packaging/Quantity: The INA2180A3QDGKRQ1 is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Common-Mode Voltage Range: -0.2V 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 INA2180A3QDGKRQ1 has the following pin configuration:

1. OUT: Amplifier output
2. IN+: Non-inverting input
3. IN-: Inverting input
4. REF: Reference voltage input
5. GND: Ground
6. VCC: Power supply
7. SET: Gain setting resistor connection
8. NC: No connection

Functional Features

• High accuracy current sensing: The INA2180A3QDGKRQ1 provides precise measurement of current with low offset voltage and high common-mode rejection ratio.
• Wide input voltage range: It can handle a wide range of input voltages, allowing it to be used in various automotive systems.
• Low quiescent current: The IC consumes minimal current when not actively measuring, reducing power consumption.
• Gain setting resistor connection: The SET pin allows for easy adjustment of gain by connecting an external resistor.

Advantages and Disadvantages

Advantages: - Accurate current sensing for automotive applications - Wide input voltage range for versatility - Low power consumption - Easy gain adjustment with external resistor

Disadvantages: - Limited output voltage swing range - Requires external gain setting resistor for customization

Working Principles

The INA2180A3QDGKRQ1 operates based on the principle of measuring the voltage drop across a sense resistor connected in series with the load. This voltage drop is amplified by the IC and converted into a proportional output voltage. By accurately measuring this voltage, the current flowing through the load can be determined.

Detailed Application Field Plans

The INA2180A3QDGKRQ1 is widely used in automotive systems for current monitoring and protection. Some specific application areas include:

1. Battery management systems: Monitoring the charging and discharging currents of the battery.
2. Motor control: Measuring the current drawn by motors to ensure proper operation and prevent overload.
3. Power distribution systems: Monitoring current flow in various circuits to detect faults or abnormal conditions.
4. Lighting systems: Controlling and monitoring the current supplied to different lighting elements in the vehicle.

Detailed and Complete Alternative Models

1. INA210: Similar high-side current sense amplifier with adjustable gain and wide input voltage range.
2. INA219: Integrated current sensor with higher accuracy and additional features such as voltage measurement.
3. INA226: Current and power monitor with higher precision and extended input voltage range.

These alternative models offer similar functionality to the INA2180A3QDGKRQ1 and can be considered based on specific application requirements.

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