INA197AIDBVT

Product Overview

Category: Integrated Circuit (IC)

Use: The INA197AIDBVT is a high-side current shunt monitor IC. It is designed to accurately measure the current flowing through a shunt resistor and provide an output voltage proportional to the measured current.

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

Package: SOT-23-6

Essence: The INA197AIDBVT is an essential component in applications where precise current monitoring is required, such as power management systems, battery chargers, motor control, and industrial automation.

Packaging/Quantity: The INA197AIDBVT is typically sold in reels of 3000 units.

Specifications

• Supply Voltage Range: 2.7V to 26V
• Input 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

Pin Configuration

The INA197AIDBVT has six pins arranged as follows:

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| | | 1 2 | | | | 3 4 | | | | 5 6 | |___________| ```

Pin Descriptions: 1. SHDN: Shutdown pin (active low) 2. IN+: Positive input terminal for current measurement 3. REF: Reference voltage output 4. GND: Ground 5. OUT: Output voltage proportional to the measured current 6. IN-: Negative input terminal for current measurement

Functional Features

• High accuracy current sensing
• Wide input voltage range allows for versatile applications
• Low offset voltage ensures precise measurements
• Shutdown mode for power-saving operation
• Reference voltage output for system calibration

Advantages and Disadvantages

Advantages: - High accuracy current monitoring - Wide input voltage range - Low offset voltage for precise measurements - Small package size for space-constrained applications - Shutdown mode for power-saving operation

Disadvantages: - Limited bandwidth compared to some other current shunt monitors - Requires an external shunt resistor for current measurement

Working Principles

The INA197AIDBVT operates based on the principle of measuring the voltage drop across a shunt resistor. The input terminals (IN+ and IN-) are connected to the shunt resistor, and the IC amplifies the voltage difference between these terminals. The amplified voltage is then converted into an output voltage proportional to the measured current.

Detailed Application Field Plans

The INA197AIDBVT finds applications in various fields, including:

1. Power Management Systems: It enables accurate current monitoring in power supplies, DC-DC converters, and voltage regulators.
2. Battery Chargers: The INA197AIDBVT helps measure the charging/discharging current in battery management systems.
3. Motor Control: It facilitates precise current sensing in motor control circuits, ensuring efficient and safe operation.
4. Industrial Automation: The IC is used for current monitoring in industrial automation equipment, such as robotics and process control systems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the INA197AIDBVT include:

1. INA199A2IDGKR
2. MAX4080SASA+
3. LTC6101AIS5#TRMPBF
4. AD8211WBRZ

These alternative models provide comparable accuracy, input voltage range, and package options, allowing users to choose the most suitable option for their specific application.

In conclusion, the INA197AIDBVT is a high-side current shunt monitor IC that offers high accuracy, wide input voltage range, and low offset voltage. It finds applications in power management systems, battery chargers, motor control, and industrial automation. The IC operates based on measuring the voltage drop across a shunt resistor and provides an output voltage proportional to the measured current. Alternative models such as INA199A2IDGKR, MAX4080SASA+, LTC6101AIS5#TRMPBF, and AD8211WBRZ offer similar functionality.