INA303A2IPWR

Product Overview

Category: Integrated Circuit (IC)

Use: The INA303A2IPWR is a precision, low-power, bidirectional current-sensing amplifier. It is designed for use in a wide range of applications that require accurate current measurements.

Characteristics: - Precision: The INA303A2IPWR offers high accuracy in current sensing, making it suitable for applications where precise measurements are required. - Low Power Consumption: This IC is designed to operate with minimal power consumption, making it ideal for battery-powered devices or energy-efficient applications. - Bidirectional Sensing: The INA303A2IPWR can measure both positive and negative currents, allowing for versatile current monitoring capabilities. - Small Package Size: The IC is available in a small package, enabling space-saving designs in compact electronic systems. - Packaging/Quantity: The INA303A2IPWR is typically sold in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Common-Mode Voltage Range: -0.1V to +26V
• Gain Error: ±0.5%
• Offset Voltage: ±100µV
• Bandwidth: 500kHz
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA303A2IPWR has the following pin configuration:

```

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| | | INA303 | |_______________________|

   Pin Configuration:

      1    2    3
   _______________
  |               |

1 - | V+ OUT GND | - 8 | | 2 - | V- REF IN+ | - 7 | | 3 - | SET IN- NC | - 6 |_______________| ```

Functional Features

• High Accuracy: The INA303A2IPWR provides precise current measurements with a low gain error and offset voltage.
• Bidirectional Current Sensing: This IC can accurately measure both positive and negative currents, allowing for versatile applications.
• Low Power Consumption: With a quiescent current of only 60µA, the INA303A2IPWR is suitable for power-sensitive designs.
• Wide Input Common-Mode Voltage Range: The IC can handle input voltages ranging from -0.1V to +26V, providing flexibility in various applications.

Advantages and Disadvantages

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

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

Working Principles

The INA303A2IPWR operates based on the principle of measuring the voltage drop across a shunt resistor to determine the current flowing through it. It amplifies this voltage drop and provides an output proportional to the current being sensed. The bidirectional current sensing capability allows for accurate measurements of both positive and negative currents.

Application Field Plans

The INA303A2IPWR can be used in various applications, including but not limited to: - Battery management systems - Motor control - Power monitoring and protection - Current sensing in industrial equipment - Solar power systems

Alternative Models

Some alternative models that offer similar functionality to the INA303A2IPWR include: - INA301A1IPWR - INA302A2IPWR - INA304A3IPWR

These models can be considered as alternatives based on specific requirements and design considerations.

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