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INA199B3RSWT
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INA199B3RSWT

Product Overview

Category: Integrated Circuit (IC)

Use: The INA199B3RSWT is a high-side current shunt monitor IC designed for precise current measurement in various applications. It provides accurate current sensing and monitoring capabilities.

Characteristics: - High accuracy - Wide common-mode voltage range - Low offset voltage - Low quiescent current - Small package size

Package: SOIC-8

Essence: The INA199B3RSWT is an essential component for measuring current in electronic circuits accurately. It enables precise monitoring of current flow, making it suitable for applications that require accurate current measurements.

Packaging/Quantity: The INA199B3RSWT is available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Supply Voltage Range: 2.7V to 26V
  • Common-Mode Voltage Range: -0.3V to +26V
  • Quiescent Current: 60µA (typical)
  • Gain Error: ±0.5% (maximum)
  • Offset Voltage: ±100µV (maximum)
  • Bandwidth: 500kHz (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA199B3RSWT features the following pin configuration:

  1. V+ (Positive Supply Voltage)
  2. V- (Negative Supply Voltage)
  3. OUT (Output)
  4. REF (Reference Voltage)
  5. IN+ (Positive Input)
  6. IN- (Negative Input)
  7. GND (Ground)
  8. NC (No Connection)

Functional Features

  • High accuracy current sensing
  • Wide common-mode voltage range allows for versatile applications
  • Low offset voltage ensures precise measurements
  • Low quiescent current minimizes power consumption
  • Small package size enables space-efficient designs

Advantages and Disadvantages

Advantages: - High accuracy current measurement - Wide common-mode voltage range - Low power consumption - Compact package size

Disadvantages: - Limited maximum supply voltage range (up to 26V) - Requires external components for complete circuit implementation

Working Principles

The INA199B3RSWT operates based on the principle of measuring the voltage drop across a shunt resistor. It amplifies this voltage drop and provides an output proportional to the current flowing through the shunt resistor. By accurately measuring the voltage drop, the IC enables precise current monitoring.

Detailed Application Field Plans

The INA199B3RSWT finds applications in various fields, including:

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

Detailed and Complete Alternative Models

  1. INA199A3RSWT
  2. INA199B1RSWT
  3. INA199B2RSWT
  4. INA199B4RSWT
  5. INA199B5RSWT

These alternative models offer similar functionality and characteristics to the INA199B3RSWT, providing options for different design requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af INA199B3RSWT i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of INA199B3RSWT in technical solutions:

  1. Q: What is the INA199B3RSWT? A: The INA199B3RSWT is a high-side current shunt monitor IC (integrated circuit) that can accurately measure current flowing through a shunt resistor.

  2. Q: What is the purpose of using the INA199B3RSWT in technical solutions? A: The INA199B3RSWT is commonly used in applications where precise current monitoring is required, such as power management systems, battery chargers, motor control, and industrial automation.

  3. Q: How does the INA199B3RSWT work? A: The INA199B3RSWT 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 other analog-to-digital converter.

  4. Q: What is the maximum current range that the INA199B3RSWT can handle? A: The INA199B3RSWT can handle a maximum current range of ±5A, making it suitable for a wide range of applications.

  5. Q: Can the INA199B3RSWT operate with low supply voltages? A: Yes, the INA199B3RSWT can operate with supply voltages as low as 2.7V, making it compatible with low-power systems.

  6. Q: Is the INA199B3RSWT capable of providing accurate measurements at high frequencies? A: Yes, the INA199B3RSWT has a bandwidth of 500kHz, allowing it to accurately measure current even in high-frequency applications.

  7. Q: Does the INA199B3RSWT provide any built-in protection features? A: Yes, the INA199B3RSWT includes built-in overcurrent and overtemperature protection, ensuring safe operation in case of fault conditions.

  8. Q: Can multiple INA199B3RSWT ICs be used in parallel for higher current measurements? A: Yes, multiple INA199B3RSWT ICs can be easily connected in parallel to measure higher currents by sharing the load across multiple shunt resistors.

  9. Q: Is the INA199B3RSWT available in different package options? A: Yes, the INA199B3RSWT is available in a small SOT23-6 package, which is suitable for space-constrained applications.

  10. Q: Where can I find more information about the INA199B3RSWT and its application notes? A: You can refer to the datasheet and application notes provided by the manufacturer or visit their official website for detailed information on the INA199B3RSWT and its various applications.