INA2180A2IDGKT

Product Overview

Category: Integrated Circuit (IC)

Use: The INA2180A2IDGKT is a high-precision, low-power, bidirectional current-sensing IC. It is designed for use in various applications that require accurate current measurements, such as power management systems, battery chargers, motor control, and energy monitoring.

Characteristics: - High precision: The INA2180A2IDGKT offers excellent accuracy in current sensing, with a typical gain error of only ±0.5%. - Low power consumption: It operates at a low supply voltage range of 2.7V to 5.5V, making it suitable for battery-powered devices. - Bidirectional current sensing: The IC can measure both positive and negative currents flowing through the load. - Wide common-mode voltage range: It can handle common-mode voltages from -0.3V to +26V, allowing for versatile applications. - Small package size: The INA2180A2IDGKT comes in a compact MSOP-10 package, which makes it suitable for space-constrained designs.

Package and Quantity: The INA2180A2IDGKT is available in a MSOP-10 package. It is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Gain Error: ±0.5%
• Common-Mode Voltage Range: -0.3V to +26V
• Operating Temperature Range: -40°C to +125°C
• Package Type: MSOP-10

Pin Configuration

The INA2180A2IDGKT has the following pin configuration:

___________ V+ | | OUT+ IN+ | | IN- IN- | | OUT- REF-| | V- ¯¯¯¯¯¯¯¯¯¯¯

Functional Features

• High accuracy current sensing: The INA2180A2IDGKT utilizes a precision amplifier and a high-precision shunt resistor to provide accurate current measurements.
• Bidirectional current measurement: It can measure both positive and negative currents flowing through the load, making it suitable for applications such as battery charging and motor control.
• Wide common-mode voltage range: The IC can handle a wide range of common-mode voltages, allowing for flexible use in various systems.
• Low power consumption: With its low supply voltage range and low quiescent current, the INA2180A2IDGKT minimizes power consumption, making it ideal for battery-powered devices.

Advantages and Disadvantages

Advantages: - High precision current sensing - Bidirectional current measurement capability - Wide common-mode voltage range - Low power consumption - Compact package size

Disadvantages: - Limited maximum common-mode voltage (up to +26V) - Requires an external shunt resistor for current sensing

Working Principles

The INA2180A2IDGKT works based on the principle of measuring the voltage drop across a shunt resistor to determine the current flowing through it. The IC amplifies this voltage drop and provides an output proportional to the current being measured. By utilizing a precision amplifier and a high-precision shunt resistor, it achieves high accuracy in current sensing.

Application Field Plans

The INA2180A2IDGKT finds applications in various fields, including:

1. Power management systems: It can be used for precise current monitoring in power supplies, DC-DC converters, and voltage regulators.
2. Battery chargers: The IC enables accurate current measurement during battery charging processes, ensuring optimal charging performance.
3. Motor control: It can be employed in motor control systems to monitor the current flowing through the motor windings, enabling precise control and protection.
4. Energy monitoring: The INA2180A2IDGKT is suitable for energy monitoring applications, allowing accurate measurement of power consumption in various devices and systems.

Alternative Models

1. INA219: This IC offers similar functionality to the INA2180A2IDGKT but includes additional features such as voltage measurement and I2C interface.
2. ACS712: A Hall effect-based current sensor that provides galvanic isolation and high immunity to noise.
3. MAX4080: A precision high-side current-sense amplifier with a wide input common-mode range and low offset voltage.

These alternative models offer different features and specifications, providing options for specific application requirements.

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