INA215CIRSWT

Product Overview

Category: Integrated Circuit (IC)

Use: The INA215CIRSWT is a high-precision, low-power, voltage-output current shunt monitor IC. It is designed to accurately measure current flowing through a shunt resistor and provide a corresponding voltage output.

Characteristics: - High precision: The INA215CIRSWT offers excellent accuracy in measuring current, making it suitable for applications requiring precise current monitoring. - Low power consumption: This IC consumes minimal power, making it ideal for battery-powered devices or applications where power efficiency is crucial. - Voltage output: The INA215CIRSWT provides a voltage output proportional to the measured current, allowing easy interfacing with other circuitry. - Wide input voltage range: It can operate with input voltages ranging from 2.7V to 26V, providing flexibility in various applications. - Small package size: The INA215CIRSWT comes in a compact package, enabling space-efficient designs.

Package and Quantity: The INA215CIRSWT is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels containing a specified quantity of ICs.

Specifications

• Input Voltage Range: 2.7V to 26V
• Supply Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0V to Vsupply
• Quiescent Current: 60µA (typical)
• Gain Error: ±0.1% (maximum)
• Bandwidth: 100kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA215CIRSWT has eight pins arranged as follows:

```

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| | --| V+ |-- --| IN+ |-- --| IN- |-- --| REF |-- --| OUT |-- --| GND |-- --| V- |-- |_______| ```

1. V+: Positive supply voltage pin.
2. IN+: Positive input terminal for current measurement.
3. IN-: Negative input terminal for current measurement.
4. REF: Reference voltage input pin.
5. OUT: Voltage output pin.
6. GND: Ground pin.
7. V-: Negative supply voltage pin.

Functional Features

• High accuracy current sensing: The INA215CIRSWT provides precise current measurements with low offset and gain error, ensuring accurate monitoring of current flow.
• Wide common-mode voltage range: It can handle a wide range of common-mode voltages, allowing flexibility in various applications.
• Low quiescent current: The IC consumes minimal current when not actively measuring, reducing power consumption and extending battery life.
• Overload protection: The INA215CIRSWT includes built-in overload protection to prevent damage from excessive currents.
• Temperature compensation: It features temperature compensation to maintain accuracy over a wide temperature range.

Advantages and Disadvantages

Advantages: - High precision current monitoring - Low power consumption - Wide input voltage range - Compact package size - Built-in overload protection

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

Working Principles

The INA215CIRSWT operates based on the principle of measuring the voltage drop across a shunt resistor to determine the current flowing through it. It amplifies this voltage drop and provides a corresponding voltage output. By accurately measuring the voltage across the shunt resistor, the IC can calculate the current passing through it.

Application Field Plans

The INA215CIRSWT finds applications in various fields, including: 1. Battery management systems 2. Power supply monitoring 3. Motor control systems 4. Solar power systems 5. Industrial automation

Alternative Models

Some alternative models to the INA215CIRSWT include: - INA219: Similar functionality with higher precision and additional features. - INA226: Offers similar functionality with enhanced accuracy and programmable alert functions. - MAX4080: Provides high-side current sensing with integrated amplifier and comparator.

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

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