INA199C3QDCKRQ1

Product Overview

Category: Integrated Circuit (IC)

Use: The INA199C3QDCKRQ1 is a high-side current shunt monitor IC designed for precise current measurement in automotive and industrial applications. It provides accurate current sensing with low power consumption.

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

Package: The INA199C3QDCKRQ1 is available in a small SOT-23 package, which makes it suitable for space-constrained applications.

Essence: The essence of the INA199C3QDCKRQ1 lies in its ability to accurately measure current in high-side applications while consuming minimal power.

Packaging/Quantity: The INA199C3QDCKRQ1 is typically sold in reels containing 3000 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 26V
• Common-Mode Voltage Range: -0.3V to V+ + 0.3V
• 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 INA199C3QDCKRQ1 has the following pin configuration:

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

Functional Features

• High accuracy current sensing
• Wide common-mode voltage range allows for versatile applications
• Low power consumption
• Small package size enables use in space-constrained designs
• Built-in protection features such as overvoltage and reverse polarity protection

Advantages and Disadvantages

Advantages: - Accurate current measurement - Wide operating voltage range - Low power consumption - Compact package size

Disadvantages: - Limited to high-side current sensing applications - Requires external components for complete circuit implementation

Working Principles

The INA199C3QDCKRQ1 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 ensures minimal offset voltage and high gain accuracy.

Detailed Application Field Plans

The INA199C3QDCKRQ1 is commonly used in various automotive and industrial applications, including: - Battery management systems - Motor control - Power supplies - Overcurrent protection circuits - Current monitoring in solar inverters

Detailed and Complete Alternative Models

• INA199A3QDCKRQ1
• INA199B3QDCKRQ1
• INA199C4QDCKRQ1
• INA199D3QDCKRQ1

These alternative models offer similar functionality and performance characteristics, providing flexibility in choosing the most suitable option for specific applications.

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