INA199C1QDCKRQ1

Product Overview

Category

The INA199C1QDCKRQ1 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 INA199C1QDCKRQ1 offers precise current sensing with low offset and gain error.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Low power consumption: This IC consumes minimal power, ensuring energy efficiency in the system.
• Small package size: The compact package allows for easy integration into space-constrained designs.

Package and Quantity

The INA199C1QDCKRQ1 is available in a small SOT-23 package. It is typically sold in reels containing a specified quantity of units.

Specifications

• Supply voltage range: 2.7V to 5.5V
• Input common-mode voltage range: -0.3V to Vsupply + 0.3V
• Output voltage swing: Rail-to-rail
• Gain error: ±0.5%
• Offset voltage: ±100µV
• Bandwidth: 500kHz
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The INA199C1QDCKRQ1 has six pins arranged as follows:

```

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| | | U | | N | | U | | S | |___________|

Pin 1: V+ Pin 2: IN- Pin 3: IN+ Pin 4: REF- Pin 5: OUT Pin 6: REF+ ```

Functional Features

• High-side or low-side current sensing: The INA199C1QDCKRQ1 can be used for both high-side and low-side current measurements.
• Wide common-mode voltage range: It allows for accurate measurements even in systems with large common-mode voltages.
• Rail-to-rail output swing: The output voltage can reach close to the supply rails, maximizing dynamic range.

Advantages

• Accurate current measurement: The INA199C1QDCKRQ1 provides precise current sensing, enabling reliable system monitoring.
• Versatile application: It can be utilized in various electronic systems, including power management, motor control, and battery monitoring.
• Compact size: The small package facilitates integration into space-constrained designs.

Disadvantages

• Limited bandwidth: The INA199C1QDCKRQ1 has a bandwidth of 500kHz, which may not be sufficient for high-frequency applications.
• Single-channel configuration: This IC is designed for single-channel current sensing and does not support multi-channel measurements.

Working Principles

The INA199C1QDCKRQ1 utilizes a differential amplifier configuration to measure the voltage across a shunt resistor connected in series with the load. By amplifying the voltage drop across the shunt resistor, the current flowing through it can be accurately determined.

Detailed Application Field Plans

The INA199C1QDCKRQ1 finds applications in various fields, including: 1. Power management systems: It enables precise current monitoring in power supplies, DC-DC converters, and voltage regulators. 2. Motor control: The IC facilitates accurate current sensing in motor drives, ensuring efficient control and protection. 3. Battery monitoring: It can be employed in battery management systems to monitor charging and discharging currents accurately.

Detailed Alternative Models

Other alternative models that offer similar functionality to the INA199C1QDCKRQ1 include: - INA199A1QDCKRQ1 - INA199B1QDCKRQ1 - INA199C2QDCKRQ1

These alternative models provide comparable accuracy and features, allowing users to choose the most suitable option for their specific application.

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