INA199B1RSWT

Product Overview

Category: Integrated Circuit (IC)

Use: The INA199B1RSWT is a high-side current shunt monitor IC designed for precise current measurement in various 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 and precision - Wide input voltage range - Low offset voltage and drift - High common-mode rejection ratio - Small package size for space-constrained designs

Package: The INA199B1RSWT is available in a small SOT-23-6 package, which offers compactness and ease of integration into different circuit designs.

Essence: The essence of the INA199B1RSWT lies in its ability to accurately measure current in high-side applications, providing valuable information for system monitoring and control.

Packaging/Quantity: The INA199B1RSWT is typically sold in reels containing 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)
• Bandwidth: 500kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA199B1RSWT features a six-pin SOT-23 package with the following pin configuration:

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

Functional Features

• High-side current sensing
• Wide input voltage range
• Low power consumption
• Shutdown control for power-saving mode
• Reference voltage output for system calibration
• Output voltage proportional to the sensed current

Advantages and Disadvantages

Advantages: - High accuracy and precision in current measurement - Wide operating voltage range allows for versatile applications - Small package size enables space-constrained designs - Low power consumption for energy-efficient systems - Shutdown control feature for power-saving applications

Disadvantages: - Limited maximum supply voltage of 26V - Gain error may affect measurement accuracy in certain applications

Working Principles

The INA199B1RSWT 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 high common-mode rejection ratio, low offset voltage, and drift, resulting in precise current measurements.

Detailed Application Field Plans

The INA199B1RSWT finds applications in various fields, including:

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

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

Detailed and Complete Alternative Models

1. INA199A1RSWT
2. INA199B2RSWT
3. INA199C1RSWT
4. INA199D1RSWT
5. INA199E1RSWT

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

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