INA198AIDBVT

Product Overview

Category: Integrated Circuit (IC)

Use: The INA198AIDBVT is a high-side current shunt monitor IC designed for precise measurement of current in a variety of applications. It provides accurate current sensing and monitoring capabilities, making it suitable for use in power management systems, battery chargers, motor control, and other similar applications.

Characteristics: - High accuracy current sensing - Wide input voltage range - Low offset voltage - Low quiescent current - Small package size - High common-mode rejection ratio (CMRR) - Overtemperature protection

Package: SOT-23-6

Essence: The INA198AIDBVT is an essential component for accurately measuring current in various electronic systems. It enables precise monitoring and control of current flow, ensuring efficient and reliable operation.

Packaging/Quantity: The INA198AIDBVT is typically available in tape and reel packaging, with 3000 units per reel.

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

Detailed Pin Configuration

The INA198AIDBVT features a six-pin SOT-23 package with the following pin configuration:

1. SHDN: Shutdown Control Input
2. IN+: Positive Current Sense Input
3. IN-: Negative Current Sense Input
4. REF: Reference Voltage Output
5. GND: Ground
6. V+: Positive Supply Voltage

Functional Features

• High-side current sensing
• Wide input voltage range allows for versatile applications
• Shutdown control input for power management
• Reference voltage output for system calibration
• Overtemperature protection ensures safe operation
• Low offset voltage and high common-mode rejection ratio enhance accuracy

Advantages and Disadvantages

Advantages: - Accurate and precise current sensing - Wide input voltage range for versatile applications - Small package size for space-constrained designs - Low quiescent current minimizes power consumption - Overtemperature protection ensures device safety

Disadvantages: - Limited to high-side current sensing only - Requires external components for complete circuit implementation - Higher cost compared to some alternative models

Working Principles

The INA198AIDBVT operates based on the principle of measuring the voltage drop across a shunt resistor in series with the load. It amplifies this voltage drop and provides an output proportional to the current flowing through the load. By accurately measuring the voltage drop, the device enables precise current monitoring and control.

Detailed Application Field Plans

The INA198AIDBVT finds application in various fields, including:

1. Power management systems
2. Battery chargers
3. Motor control
4. Industrial automation
5. Energy monitoring systems
6. Solar power systems
7. Automotive electronics

Its accurate current sensing capabilities make it suitable for any application that requires precise measurement and control of current flow.

Detailed and Complete Alternative Models

1. INA199AIDGST: Similar to INA198AIDBVT but available in a smaller package (MSOP-10)
2. INA210AIDCKT: Offers additional features such as integrated voltage reference and diagnostic functions
3. INA219BIDCNT: Provides both current and voltage sensing capabilities in a single IC
4. MAX4080SASA+: High-side current sense amplifier with integrated comparator for fault detection

These alternative models offer similar functionality and can be considered based on specific application requirements.

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