INA284AIDGKT

Product Overview

Category: Integrated Circuit (IC)

Use: The INA284AIDGKT 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 monitoring, motor control, and energy harvesting.

Characteristics: - High precision: The INA284AIDGKT offers a high level of accuracy in current sensing, with a typical gain error of only ±0.5%. - Low power consumption: This IC operates at a low supply voltage range of 2.7V to 5.5V, making it suitable for battery-powered devices. - Bidirectional current sensing: It can measure both positive and negative currents, allowing for versatile applications. - Wide common-mode voltage range: The INA284AIDGKT supports a wide common-mode voltage range of -16V to +80V, enabling it to be used in various voltage levels. - Small package: It comes in a compact MSOP-10 package, which makes it suitable for space-constrained designs.

Package/Quantity: The INA284AIDGKT is available in a reel packaging format, with 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Common-Mode Voltage Range: -16V to +80V
• Gain Error: ±0.5%
• Operating Temperature Range: -40°C to +125°C
• Package Type: MSOP-10

Pin Configuration

The INA284AIDGKT has the following pin configuration:

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

Functional Features

1. High Accuracy: The INA284AIDGKT provides precise current measurements with a low gain error, ensuring reliable and accurate data.
2. Bidirectional Current Sensing: It can measure both positive and negative currents, allowing for monitoring and control in bi-directional applications.
3. Wide Common-Mode Voltage Range: The IC supports a wide range of common-mode voltages, making it suitable for various voltage levels.
4. Low Power Consumption: With its low supply voltage range and low quiescent current, the INA284AIDGKT minimizes power consumption, extending battery life in portable devices.
5. Small Package Size: The MSOP-10 package offers a compact form factor, enabling space-efficient designs.

Advantages and Disadvantages

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

Disadvantages: - Limited to a maximum common-mode voltage of +80V - Requires external components for proper operation

Working Principles

The INA284AIDGKT utilizes a differential amplifier configuration to measure the voltage drop across a shunt resistor connected in series with the load. By amplifying this voltage drop, the IC accurately calculates the current flowing through the load. The bidirectional current sensing feature allows for measuring both positive and negative currents.

Application Field Plans

The INA284AIDGKT finds applications in various fields, including:

1. Power Management Systems: It enables precise current monitoring in power supplies, DC-DC converters, and voltage regulators.
2. Battery Monitoring: The IC facilitates accurate current measurement in battery charging and discharging processes, helping to optimize battery performance.
3. Motor Control: It allows for precise current sensing in motor control systems, ensuring efficient and safe operation.
4. Energy Harvesting: The INA284AIDGKT can be used to monitor the current generated by energy harvesting systems, such as solar panels or wind turbines.

Alternative Models

1. INA282AIDGKT: Similar to the INA284AIDGKT, but with a lower common-mode voltage range (-16V to +60V).
2. INA286AIDGKT: Offers higher gain accuracy (±0.25%) compared to the INA284AIDGKT.
3. INA290AIDGKT: Provides a wider supply voltage range (2.7V to 36V) and higher common-mode voltage range (-16V to +80V).

These alternative models offer similar functionalities with slight variations in specifications, allowing users to choose the most suitable option for their specific requirements.

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