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INA199C2RSWT
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INA199C2RSWT

Product Overview

Category

The INA199C2RSWT belongs to the category of integrated circuit (IC) amplifiers.

Use

It is primarily used for current sensing and monitoring applications.

Characteristics

  • High accuracy and precision in current measurement.
  • Wide input voltage range.
  • Low offset voltage and low quiescent current.
  • High common-mode rejection ratio (CMRR).
  • Temperature stability.

Package

The INA199C2RSWT is available in a small outline package (SOT-23-8).

Essence

This product is essential for accurate current measurement and monitoring in various electronic systems.

Packaging/Quantity

The INA199C2RSWT is typically packaged in reels, with 3000 units per reel.

Specifications

  • Supply Voltage: 2.7V to 5.5V
  • Input Common-Mode Voltage Range: -0.1V to V+ + 0.1V
  • Quiescent Current: 60µA (typical)
  • Gain Bandwidth Product: 500kHz (typical)
  • Output Voltage Swing: Rail-to-Rail
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA199C2RSWT has eight pins arranged as follows:

```

| | | U | |___________|

Pin Configuration: 1. V+ 2. IN- 3. IN+ 4. REF- 5. OUT 6. REF+ 7. SET 8. GND ```

Functional Features

  • Differential input amplifier for precise current sensing.
  • Adjustable gain through external resistor.
  • Built-in reference voltage generator.
  • Rail-to-rail output swing.
  • Enable pin for power-saving mode.

Advantages and Disadvantages

Advantages

  • High accuracy and precision in current measurement.
  • Wide input voltage range allows for versatile applications.
  • Low offset voltage and quiescent current minimize errors.
  • High CMRR reduces common-mode noise interference.
  • Temperature stability ensures reliable performance.

Disadvantages

  • Limited gain bandwidth product may restrict high-frequency applications.
  • Requires external resistor for gain adjustment.

Working Principles

The INA199C2RSWT operates based on the principle of differential amplification. It measures the voltage difference between the IN+ and IN- pins, which corresponds to the current flowing through a shunt resistor. The amplified output voltage is proportional to the input current and can be further adjusted using an external resistor connected to the SET pin.

Detailed Application Field Plans

The INA199C2RSWT finds extensive use in various fields, including:

  1. Power management systems: Current monitoring in battery charging/discharging circuits, power supplies, and motor control.
  2. Industrial automation: Monitoring current in motor drives, robotics, and process control systems.
  3. Automotive electronics: Current sensing in electric vehicles, hybrid vehicles, and engine control units.
  4. Renewable energy systems: Current measurement in solar inverters, wind turbines, and energy storage systems.
  5. Consumer electronics: Current monitoring in portable devices, smart appliances, and audio amplifiers.

Detailed and Complete Alternative Models

  1. INA199A2RSWT
  2. INA199B2RSWT
  3. INA199C1RSWT
  4. INA199D2RSWT
  5. INA199E2RSWT

These alternative models offer similar functionality with slight variations in specifications and package options.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням INA199C2RSWT у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of INA199C2RSWT in technical solutions:

  1. Q: What is the INA199C2RSWT? A: The INA199C2RSWT is a high-side current shunt monitor IC that can accurately measure current flowing through a shunt resistor.

  2. Q: What is the purpose of using the INA199C2RSWT in a technical solution? A: The INA199C2RSWT is commonly used to monitor and measure current in various applications, such as power supplies, motor control, battery management, and industrial automation.

  3. Q: How does the INA199C2RSWT work? A: The INA199C2RSWT measures the voltage drop across a shunt resistor and converts it into a proportional output voltage, which can be easily measured by a microcontroller or ADC.

  4. Q: What is the maximum current range that the INA199C2RSWT can handle? A: The INA199C2RSWT can handle a maximum current range of ±5A.

  5. Q: Can the INA199C2RSWT operate with a single power supply? A: Yes, the INA199C2RSWT can operate with a single power supply ranging from 2.7V to 26V.

  6. Q: Is the INA199C2RSWT suitable for high-precision current measurements? A: Yes, the INA199C2RSWT has a low offset voltage and excellent gain accuracy, making it suitable for high-precision current measurements.

  7. Q: Does the INA199C2RSWT provide any built-in protection features? A: Yes, the INA199C2RSWT includes overcurrent detection and thermal shutdown protection to prevent damage to the IC and the system.

  8. Q: Can the INA199C2RSWT be used in automotive applications? A: Yes, the INA199C2RSWT is AEC-Q100 qualified, making it suitable for automotive applications that require high reliability and performance.

  9. Q: What is the output voltage range of the INA199C2RSWT? A: The output voltage range of the INA199C2RSWT is typically 200mV/A, which means that for every ampere of current flowing through the shunt resistor, the output voltage will be 200mV.

  10. Q: Are there any application notes or reference designs available for the INA199C2RSWT? A: Yes, Texas Instruments provides application notes and reference designs that can help users understand and implement the INA199C2RSWT in their technical solutions effectively.

Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.