INA211BIDCKT

Product Overview

Category: Integrated Circuit (IC)

Use: The INA211BIDCKT is a high-precision, low-power, bidirectional current-sensing amplifier. It is designed to accurately measure both positive and negative currents in a wide range of applications.

Characteristics: - High precision: The INA211BIDCKT offers excellent accuracy with a maximum offset voltage of 50µV and a gain error of only 0.5%. - Low power consumption: It operates on a supply voltage ranging from 2.7V to 26V, making it suitable for battery-powered applications. - Bidirectional current sensing: The device can measure both positive and negative currents, allowing for monitoring of bidirectional power flow. - Wide input common-mode range: With a common-mode voltage range of -0.3V to +26V, the INA211BIDCKT can handle a variety of input signals. - Small package: It comes in a compact DCK package, which is easy to integrate into space-constrained designs.

Package/Quantity: The INA211BIDCKT is available in a 6-pin SOT-23 package.

Essence: The essence of the INA211BIDCKT lies in its ability to accurately sense bidirectional currents with high precision and low power consumption.

Packaging/Quantity: The INA211BIDCKT is typically sold in reels of 2500 units.

Specifications

Supply Voltage Range: 2.7V to 26V
Input Common-Mode Range: -0.3V to +26V
Offset Voltage: 50µV (maximum)
Gain Error: 0.5% (maximum)
Bandwidth: 200kHz (typical)
Quiescent Current: 60µA (typical)
Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA211BIDCKT has the following pin configuration:

V+ (Positive Supply Voltage)
V- (Negative Supply Voltage)
OUT (Output)
REF (Reference Voltage)
IN- (Inverting Input)
IN+ (Non-Inverting Input)

Functional Features

Bidirectional current sensing: The INA211BIDCKT can accurately measure both positive and negative currents flowing through the monitored circuit.
High precision: It offers excellent accuracy with low offset voltage and gain error, ensuring reliable current measurements.
Wide input common-mode range: The device can handle a wide range of input signals, making it versatile for various applications.
Low power consumption: With its low quiescent current, the INA211BIDCKT is suitable for battery-powered systems.
Small form factor: The compact package allows for easy integration into space-constrained designs.

Advantages and Disadvantages

Advantages: - Accurate bidirectional current sensing - Wide input common-mode range - Low power consumption - Compact package size

Disadvantages: - Limited bandwidth compared to some other current-sensing amplifiers - Higher cost compared to less precise alternatives

Working Principles

The INA211BIDCKT operates based on the principle of measuring the voltage drop across a shunt resistor placed in series with the current path. It amplifies this voltage drop and provides an output proportional to the sensed current. By using a differential amplifier configuration, it can accurately measure both positive and negative currents.

Application Field Plans

The INA211BIDCKT finds applications in various fields, including but not limited to: - Battery management systems - Power monitoring and control - Motor control - Solar energy systems - Industrial automation

Alternative Models

Some alternative models that offer similar functionality to the INA211BIDCKT include: - INA210 - INA212 - INA213 - INA214

These models may have different specifications and package options, so it is important to select the one that best suits the specific requirements of the application.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací INA211BIDCKT v technických řešeních

Sure! Here are 10 common questions and answers related to the application of INA211BIDCKT in technical solutions:

Q: What is INA211BIDCKT? A: INA211BIDCKT is a high-side current shunt monitor IC (integrated circuit) that can accurately measure current flowing through a shunt resistor.
Q: What is the purpose of using INA211BIDCKT in a technical solution? A: INA211BIDCKT is commonly used to monitor and control current levels in various applications, such as power supplies, battery management systems, motor control, and industrial automation.
Q: How does INA211BIDCKT work? A: INA211BIDCKT measures the voltage drop across a shunt resistor and amplifies it to provide an output voltage proportional to the current flowing through the shunt resistor.
Q: What is the maximum current range that INA211BIDCKT can measure? A: INA211BIDCKT can measure currents up to ±26A, depending on the external shunt resistor used.
Q: Can INA211BIDCKT operate with a single power supply? A: Yes, INA211BIDCKT can operate with a single power supply ranging from 2.7V to 26V.
Q: Is INA211BIDCKT suitable for high-precision current measurements? A: Yes, INA211BIDCKT has a low offset voltage and high gain accuracy, making it suitable for high-precision current measurements.
Q: Does INA211BIDCKT provide any fault detection features? A: Yes, INA211BIDCKT includes built-in overcurrent and undervoltage lockout protection, which can be used to detect fault conditions.
Q: Can INA211BIDCKT provide digital output for interfacing with microcontrollers or other digital devices? A: No, INA211BIDCKT provides an analog output voltage that needs to be converted to a digital signal using an external ADC (analog-to-digital converter).
Q: What is the typical accuracy of INA211BIDCKT? A: INA211BIDCKT has a typical gain error of ±0.5% and offset voltage of ±100µV, which contributes to its overall accuracy.
Q: Are there any application notes or reference designs available for INA211BIDCKT? A: Yes, Texas Instruments, the manufacturer of INA211BIDCKT, provides application notes and reference designs that can help in implementing the IC in various technical solutions.

Please note that these answers are general and may vary depending on specific implementation requirements and datasheet specifications.