INA2180A2QDGKRQ1

Product Overview

Category: Integrated Circuit (IC)

Use: The INA2180A2QDGKRQ1 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) - Robust design for automotive environments

Package: The INA2180A2QDGKRQ1 comes in a small 8-pin VSSOP package, which allows for space-efficient integration into automotive electronic systems.

Essence: The essence of the INA2180A2QDGKRQ1 lies in its ability to accurately measure current in automotive applications, enabling efficient and reliable operation of various systems.

Packaging/Quantity: The INA2180A2QDGKRQ1 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 Error: ±0.5% (maximum)
• Bandwidth: 200kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA2180A2QDGKRQ1 has the following pin configuration:

```

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| | --| IN+ | --| IN- | --| REF | --| GND | --| OUT | --| VS+ | --| VS- | |___________| ```

Functional Features

• High-side current sensing: The INA2180A2QDGKRQ1 allows for accurate measurement of current on the high side of a load, eliminating the need for a low-side shunt resistor.
• Wide input voltage range: It can handle input voltages ranging from -0.3V to +26V, making it suitable for various automotive applications.
• Low offset voltage and quiescent current: The amplifier has low offset voltage and quiescent current, ensuring precise measurements while minimizing power consumption.
• High common-mode rejection ratio (CMRR): The CMRR of the INA2180A2QDGKRQ1 helps reject common-mode noise, resulting in more accurate current measurements.

Advantages and Disadvantages

Advantages: - Accurate and precise current measurements - Wide input voltage range - Low power consumption - Robust design for automotive environments

Disadvantages: - Limited bandwidth compared to some other current sense amplifiers - Higher cost compared to traditional low-side shunt resistor solutions

Working Principles

The INA2180A2QDGKRQ1 operates based on the principle of measuring the voltage drop across a sense resistor connected in series with the load. It amplifies this voltage drop and provides an output proportional to the load current. By using a high-side configuration, it eliminates the need for a low-side shunt resistor, simplifying the circuit design and improving accuracy.

Detailed Application Field Plans

The INA2180A2QDGKRQ1 finds application in various automotive systems, including: - Battery management systems: Accurate current measurement helps monitor battery charging and discharging, enabling efficient utilization and prolonging battery life. - Motor control: Precise current sensing allows for effective control of motor speed and torque, enhancing overall system performance. - Power distribution: The amplifier facilitates current monitoring in power distribution systems, ensuring safe and reliable operation.

Detailed and Complete Alternative Models

• INA2180A1QDGKRQ1: Similar to the INA2180A2QDGKRQ1 but with a different pin configuration.
• INA219AIDCNR: A higher precision current sense amplifier with an I2C interface for digital communication.

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

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