INA284AQDGKRQ1

Product Overview

Category: Integrated Circuit (IC)

Use: The INA284AQDGKRQ1 is a high-precision, low-power, bidirectional current sense amplifier. It is designed for use in automotive and industrial applications where accurate current measurements are required.

Characteristics: - High precision: The INA284AQDGKRQ1 offers a high level of accuracy in measuring current, making it suitable for applications that require precise current sensing. - Low power consumption: This IC is designed to operate with minimal power consumption, making it energy-efficient and suitable for battery-powered applications. - Bidirectional current sensing: The INA284AQDGKRQ1 can measure both positive and negative currents, allowing for bi-directional current sensing in applications such as motor control or battery monitoring. - Wide input voltage range: It can operate with input voltages ranging from 2.7V to 5.5V, providing flexibility in various applications. - Small package size: The IC comes in a small package, enabling space-saving designs in compact electronic systems.

Package: The INA284AQDGKRQ1 is available in a small outline package (SOT563) which provides ease of integration into circuit boards.

Essence: The essence of the INA284AQDGKRQ1 lies in its ability to accurately measure bidirectional currents with low power consumption, making it an ideal choice for automotive and industrial applications.

Packaging/Quantity: The INA284AQDGKRQ1 is typically sold in reels containing 3000 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Common Mode Voltage Range: -0.3V to Vcc+0.3V
• Quiescent Current: 60µA (typical)
• Gain Error: ±0.5% (maximum)
• Bandwidth: 400kHz
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA284AQDGKRQ1 has the following pin configuration:

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| | --| V+ OUT |-- --| GND IN+ |-- --| REF IN- |-- --| SET NC |-- --| SENSE NC |-- |___________| ```

Functional Features

• High accuracy current sensing: The INA284AQDGKRQ1 provides precise current measurements with a gain error of only ±0.5%, ensuring accurate monitoring and control of currents in various applications.
• Bidirectional current sensing: It can measure both positive and negative currents, allowing for bi-directional current sensing in applications such as motor control or battery management.
• Low power consumption: With a quiescent current of only 60µA, the INA284AQDGKRQ1 minimizes power consumption, making it suitable for energy-efficient designs.
• Wide input voltage range: The IC can operate with input voltages ranging from 2.7V to 5.5V, providing flexibility in different power supply configurations.
• Fast response time: The INA284AQDGKRQ1 offers a bandwidth of 400kHz, enabling real-time current monitoring and control.

Advantages and Disadvantages

Advantages: - High precision current sensing - Bidirectional current measurement capability - Low power consumption - Wide input voltage range - Small package size for space-saving designs

Disadvantages: - Limited bandwidth compared to some other current sense amplifiers - Not suitable for high-frequency applications

Working Principles

The INA284AQDGKRQ1 operates based on the principle of measuring the voltage drop across a shunt resistor in series with the current path. It amplifies this voltage drop and provides an output proportional to the sensed current. The bidirectional current sensing capability is achieved through the use of differential inputs and a precision amplifier circuit.

Detailed Application Field Plans

The INA284AQDGKRQ1 can be used in various applications, including but not limited to: - Battery management systems - Motor control systems - Power supply monitoring - Current monitoring in automotive electronics - Industrial automation systems

Alternative Models

Some alternative models that offer similar functionality to the INA284AQDGKRQ1 include: - INA282AQDGKRQ1 - INA283AQDGKRQ1 - INA285AQDGKRQ1

These models provide comparable features and performance, allowing designers to choose the most suitable option for their specific application requirements.

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