INA216A2RSWT

Product Overview

Category: Integrated Circuit (IC)

Use: The INA216A2RSWT is a high-side current shunt and voltage monitor IC. It is designed for precise current and voltage measurements in various applications.

Characteristics: - High accuracy - Low offset voltage - Wide common-mode voltage range - Small package size - Low power consumption

Package: SOIC-8

Essence: The INA216A2RSWT is an essential component for monitoring current and voltage levels in electronic systems. It provides accurate measurements, making it suitable for applications that require precise control and monitoring of power consumption.

Packaging/Quantity: The INA216A2RSWT is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Input Common-Mode Voltage Range: -0.3V to +26V
• Output Voltage Range: 0V to Vcc
• Gain Error: ±0.25%
• Offset Voltage: ±100µV
• Bandwidth: 200kHz

Pin Configuration

The INA216A2RSWT has a total of 8 pins arranged as follows:

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

Pin Description: - IN+: Positive input terminal for current measurement - IN-: Negative input terminal for current measurement - OUT: Output voltage proportional to the measured current - GND: Ground reference - REF+: Reference voltage input - VS-: Negative supply voltage input

Functional Features

1. High-Side Current Shunt Measurement: The INA216A2RSWT allows accurate measurement of current flowing through a high-side shunt resistor.

2. Voltage Monitoring: It also provides voltage monitoring capabilities, allowing precise measurement of the voltage across the shunt resistor.

3. Wide Common-Mode Voltage Range: The IC can handle a wide range of common-mode voltages, making it suitable for various applications.

4. Low Power Consumption: The INA216A2RSWT is designed to consume minimal power, ensuring efficient operation in power-sensitive applications.

Advantages and Disadvantages

Advantages: - High accuracy measurements - Wide common-mode voltage range - Small package size for space-constrained designs - Low power consumption

Disadvantages: - Limited bandwidth (200kHz) - Requires an external shunt resistor for current measurement

Working Principles

The INA216A2RSWT operates based on the principle of measuring the voltage drop across a shunt resistor. It amplifies this voltage drop and provides an output voltage proportional to the measured current. By monitoring the voltage across the shunt resistor, the IC accurately measures the current flowing through it.

Application Field Plans

The INA216A2RSWT finds applications in various fields, including:

1. Power Management Systems: It is used in power management systems to monitor and control current and voltage levels, ensuring efficient power usage.

2. Battery Management: The IC is employed in battery management systems to measure current and voltage during charging and discharging processes, enabling accurate monitoring of battery health.

3. Motor Control: It is utilized in motor control systems to measure current and voltage in order to ensure optimal performance and protection against overcurrent conditions.

4. Solar Energy Systems: The INA216A2RSWT is used in solar energy systems to monitor current and voltage levels in photovoltaic panels, enabling efficient power generation and system protection.

Alternative Models

1. INA219: This IC offers similar functionality with a higher bandwidth of 1MHz.
2. INA226: It provides additional features such as power measurement and bus voltage monitoring.
3. INA240: This IC is designed for high-side current sensing applications with a wide supply voltage range.

These alternative models can be considered based on specific application requirements and desired features.

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