INA199B1QDCKRQ1

Product Overview

Category

The INA199B1QDCKRQ1 belongs to the category of integrated circuits (ICs) specifically designed for current sensing applications.

Use

This product is primarily used for accurate current measurement in various electronic systems and devices.

Characteristics

• High accuracy: The INA199B1QDCKRQ1 offers precise current sensing capabilities, ensuring reliable measurements.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Low offset voltage: The low offset voltage minimizes errors in current measurements.
• Small package size: The compact package allows for easy integration into space-constrained designs.
• Low power consumption: The INA199B1QDCKRQ1 consumes minimal power, making it energy-efficient.

Package and Quantity

This product is available in a small SOT-23 package. It is typically sold in reels containing a specified quantity of units, such as 3000 pieces per reel.

Specifications

• Supply voltage: 2.7V to 5.5V
• Input common-mode voltage range: -0.3V to VCC + 0.3V
• Output voltage swing: Rail-to-rail
• Bandwidth: 500kHz
• Quiescent current: 60µA
• Gain error: ±0.5%
• Temperature range: -40°C to +125°C

Pin Configuration

The INA199B1QDCKRQ1 has the following pin configuration:

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

Functional Features

• High-side or low-side current sensing: The INA199B1QDCKRQ1 can be used for both high-side and low-side current measurements, providing flexibility in system design.
• Wide common-mode voltage range: It allows for accurate current sensing even in applications with varying input voltages.
• Rail-to-rail output swing: The output voltage can reach the full supply voltage range, enabling precise measurement across the entire input range.
• Low quiescent current: The low power consumption of this IC minimizes energy wastage in the system.

Advantages and Disadvantages

Advantages

• High accuracy ensures reliable current measurements.
• Wide input voltage range accommodates diverse applications.
• Small package size facilitates easy integration into space-constrained designs.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Limited bandwidth may not be suitable for high-frequency applications.
• Gain error of ±0.5% may introduce slight measurement inaccuracies.

Working Principles

The INA199B1QDCKRQ1 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 accurately represents the current flowing through the load. The IC's internal circuitry compensates for offset voltage and provides a scaled output proportional to the measured current.

Application Field Plans

The INA199B1QDCKRQ1 finds applications in various fields, including but not limited to: - Power management systems - Battery monitoring - Motor control - Industrial automation - Automotive electronics

Alternative Models

Some alternative models that offer similar functionality to the INA199B1QDCKRQ1 include: - INA199A1QDCKRQ1 - INA199B2QDCKRQ1 - INA199C1QDCKRQ1

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

In conclusion, the INA199B1QDCKRQ1 is a highly accurate current sensing IC suitable for a wide range of applications. Its compact size, low power consumption, and flexible functionality make it an excellent choice for various electronic systems requiring precise current measurements.

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