INA199C1RSWT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Shunt Monitor
• Characteristics: High accuracy, low offset voltage, wide common-mode voltage range
• Package: SOT-23-6
• Essence: Monitors current flowing through a shunt resistor
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage: 2.7V to 5.5V
• Input Common-Mode Voltage Range: -0.3V to +26V
• Output Voltage Swing: 0V to Vcc - 1.2V
• Gain Error: ±0.5%
• Offset Voltage: ±100µV
• Bandwidth: 500kHz
• Quiescent Current: 60µA

Detailed Pin Configuration

The INA199C1RSWT has a total of six pins arranged as follows:

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

Pin 1: Shunt Voltage Input- Pin 2: Shunt Voltage Input+ Pin 3: Reference Voltage Input Pin 4: Output Pin 5: Supply Voltage (Vcc) Pin 6: Ground (GND)

Functional Features

• Measures the voltage across a shunt resistor to determine current flow
• Provides a differential output proportional to the current being monitored
• Wide common-mode voltage range allows for versatile applications
• Low offset voltage ensures accurate current measurements
• High gain accuracy minimizes measurement errors

Advantages and Disadvantages

Advantages: - High accuracy in current monitoring - Wide common-mode voltage range for flexible applications - Low offset voltage reduces measurement errors - Small package size (SOT-23-6) for space-constrained designs

Disadvantages: - Limited bandwidth of 500kHz may not be suitable for high-frequency applications - Requires an external shunt resistor for current sensing

Working Principles

The INA199C1RSWT is based on the principle of measuring the voltage drop across a shunt resistor to determine the current flowing through it. It utilizes a precision operational amplifier to amplify the small voltage across the shunt resistor and provides a differential output that is proportional to the current being monitored. The device operates with a single supply voltage and offers a wide common-mode voltage range, allowing it to be used in various applications.

Detailed Application Field Plans

The INA199C1RSWT is commonly used in applications where accurate current monitoring is required. Some of the typical application fields include:

1. Power Management Systems: Monitoring current in power supplies, battery chargers, and DC-DC converters.
2. Motor Control: Current sensing in motor control circuits to ensure proper operation and protection.
3. Industrial Automation: Current monitoring in industrial equipment and machinery for fault detection and control.
4. Automotive Electronics: Current measurement in automotive systems such as electric vehicles, hybrid vehicles, and engine control units.
5. Solar Power Systems: Monitoring current in solar panels and charge controllers for efficient power generation.

Detailed and Complete Alternative Models

1. INA199A1RSWT: Similar to INA199C1RSWT but with a different gain error specification.
2. INA199B1RSWT: Similar to INA199C1RSWT but with a different offset voltage specification.
3. INA199D1RSWT: Similar to INA199C1RSWT but with a wider bandwidth.

These alternative models provide options with varying specifications to suit different application requirements.

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