Texas Instruments
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INA210CIRSWT
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INA210CIRSWT

Product Overview

Category: Integrated Circuit (IC)

Use: The INA210CIRSWT is a high-side current shunt monitor IC designed for precise current measurement in various applications.

Characteristics: - High accuracy and precision - Wide input voltage range - Low offset voltage and drift - High common-mode rejection ratio - Built-in protection features

Package: The INA210CIRSWT is available in a small outline package (SOT-23) with four pins.

Essence: The essence of the INA210CIRSWT lies in its ability to accurately measure current on the high side of a circuit, providing valuable information for monitoring and control purposes.

Packaging/Quantity: The INA210CIRSWT is typically sold in reels containing 3000 units per reel.

Specifications

The specifications of the INA210CIRSWT include:

  • Supply Voltage Range: 2.7V to 26V
  • Input Common-Mode Voltage Range: -0.3V to V+ + 0.3V
  • Output Voltage Swing: 0V to V+
  • Quiescent Current: 60µA (typical)
  • Gain Error: ±0.5% (maximum)
  • Bandwidth: 200kHz (typical)
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA210CIRSWT has the following pin configuration:

  1. V+ (Positive Supply Voltage)
  2. IN+ (Positive Current Sense Input)
  3. IN- (Negative Current Sense Input)
  4. OUT (Output)

Functional Features

The key functional features of the INA210CIRSWT are as follows:

  • High-side current sensing
  • Differential voltage output proportional to the sensed current
  • Wide supply voltage range
  • Low input offset voltage and drift
  • High common-mode rejection ratio
  • Built-in overvoltage and reverse polarity protection

Advantages and Disadvantages

Advantages: - High accuracy and precision in current measurement - Wide input voltage range allows for versatile applications - Low offset voltage and drift ensure accurate readings - Built-in protection features enhance reliability

Disadvantages: - Limited bandwidth compared to some other current shunt monitor ICs - Higher cost compared to simpler current sensing solutions

Working Principles

The INA210CIRSWT operates based on the principle of measuring the voltage drop across a shunt resistor placed in series with the load. By amplifying this voltage drop, it provides an output voltage that is proportional to the current flowing through the load.

Detailed Application Field Plans

The INA210CIRSWT finds applications in various fields, including:

  1. Power management systems
  2. Battery monitoring and charging circuits
  3. Motor control systems
  4. Industrial automation
  5. Solar power systems
  6. Automotive electronics

Alternative Models

Some alternative models that offer similar functionality to the INA210CIRSWT are:

  1. INA219
  2. MAX4080S
  3. LTC6101

These models can be considered as alternatives depending on specific requirements and design constraints.

In conclusion, the INA210CIRSWT is a high-side current shunt monitor IC that offers high accuracy, wide voltage range, and built-in protection features. Its applications span across various industries, making it a versatile choice for precise current measurement.

Énumérez 10 questions et réponses courantes liées à l'application de INA210CIRSWT dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of INA210CIRSWT in technical solutions:

  1. Q: What is the INA210CIRSWT? A: The INA210CIRSWT is a high-side current shunt monitor IC (integrated circuit) designed for accurate measurement of current in various applications.

  2. Q: What is the operating voltage range of the INA210CIRSWT? A: The INA210CIRSWT operates within a voltage range of 2.7V to 26V.

  3. Q: How accurate is the current measurement with the INA210CIRSWT? A: The INA210CIRSWT provides high accuracy with a typical gain error of ±0.5% and a maximum offset voltage of ±100µV.

  4. Q: Can the INA210CIRSWT measure both AC and DC currents? A: Yes, the INA210CIRSWT can accurately measure both AC and DC currents.

  5. Q: What is the maximum current that the INA210CIRSWT can handle? A: The INA210CIRSWT can handle a maximum current of up to 20A.

  6. Q: Does the INA210CIRSWT provide any fault detection features? A: Yes, the INA210CIRSWT includes an overcurrent alert output that can be used for fault detection.

  7. Q: Can I interface the INA210CIRSWT with a microcontroller or other digital devices? A: Yes, the INA210CIRSWT has a digital output that can be easily interfaced with microcontrollers or other digital devices.

  8. Q: Is there any temperature compensation feature in the INA210CIRSWT? A: Yes, the INA210CIRSWT includes an integrated temperature sensor for accurate compensation of temperature effects on current measurements.

  9. Q: What is the package type of the INA210CIRSWT? A: The INA210CIRSWT is available in a small SOT-23 package, which is suitable for space-constrained applications.

  10. Q: Can I use multiple INA210CIRSWT devices in parallel for higher current measurements? A: Yes, you can connect multiple INA210CIRSWT devices in parallel to measure higher currents by summing up their individual measurements.

Please note that these answers are general and may vary depending on the specific application and implementation of the INA210CIRSWT. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.