INA282AQDGKRQ1

Product Overview

Category: Integrated Circuit (IC)

Use: The INA282AQDGKRQ1 is a high-precision, low-power, bidirectional current-sensing amplifier. It is specifically designed for use in automotive applications, such as battery management systems, motor control, and power management.

Characteristics: - High precision: The INA282AQDGKRQ1 offers excellent accuracy in measuring current with a maximum offset voltage of 50µV. - Low power consumption: It operates at a low supply current of 350µA, making it suitable for battery-powered applications. - Bidirectional sensing: The device can measure both positive and negative currents accurately. - Wide common-mode range: It can handle common-mode voltages from -0.2V to +26V, allowing flexibility in various applications.

Package: The INA282AQDGKRQ1 comes in a small VSSOP-8 package, which provides space-saving advantages and ease of integration into compact designs.

Essence: This IC serves as a crucial component in automotive systems, enabling precise current measurement and control for efficient power management and battery monitoring.

Packaging/Quantity: The INA282AQDGKRQ1 is typically available in reels of 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Common-Mode Voltage Range: -0.2V to +26V
• Maximum Offset Voltage: 50µV
• Gain Error: ±0.25%
• Bandwidth: 200kHz
• Quiescent Current: 350µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA282AQDGKRQ1 has the following pin configuration:

```

---

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

Functional Features

1. High Accuracy: The INA282AQDGKRQ1 provides precise current measurement with low offset voltage and gain error, ensuring reliable data for critical automotive applications.
2. Bidirectional Sensing: It allows accurate measurement of both positive and negative currents, making it suitable for motor control and bidirectional power flow systems.
3. Wide Common-Mode Range: The device can handle a wide range of common-mode voltages, enabling flexibility in various automotive applications.
4. Low Power Consumption: With a low quiescent current, the INA282AQDGKRQ1 minimizes power consumption, extending battery life in automotive systems.

Advantages and Disadvantages

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

Disadvantages: - Limited to automotive applications - Requires external components for complete functionality

Working Principles

The INA282AQDGKRQ1 operates based on the principle of measuring the voltage drop across a shunt resistor placed in series with the current path. It amplifies this voltage drop and provides an output proportional to the current being measured. By carefully controlling the gain and offset, the device ensures accurate current measurement in both directions.

Detailed Application Field Plans

The INA282AQDGKRQ1 finds extensive use in various automotive applications, including:

1. Battery Management Systems: It enables precise monitoring of battery charging and discharging currents, helping optimize battery performance and prolonging its lifespan.
2. Motor Control: The IC facilitates accurate current sensing in motor control systems, allowing efficient control and protection of motors.
3. Power Management: It assists in monitoring and controlling power flow in automotive systems, ensuring efficient utilization of power resources.

Detailed and Complete Alternative Models

1. INA282AQDCKRQ1: Similar to the INA282AQDGKRQ1, this model offers the same functionality but comes in a different package (SC70-6).
2. INA282AIDGKR: This alternative model provides similar features and performance as the INA282AQDGKRQ1 but is not specifically designed for automotive applications.

Note: Please refer to the manufacturer's documentation for a complete list of alternative models.

Word count: 536 words