Texas Instruments
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
INA181A2IDBVT
詳細を表示 DataSheets

INA181A2IDBVT

Product Overview

Category: Integrated Circuit
Use: Current Sense Amplifier
Characteristics: High precision, low offset voltage, small package size
Package: SOT-23-6
Essence: Precision current measurement
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 2.7V to 5.5V
  • Input Offset Voltage: ±150µV (max)
  • Gain Bandwidth Product: 800kHz
  • Common Mode Rejection Ratio: 100dB (typ)
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. OUT
  2. V+
  3. IN-
  4. REF
  5. IN+
  6. GND

Functional Features

  • High Accuracy Current Sensing
  • Wide Supply Voltage Range
  • Low Quiescent Current
  • Small Package Size

Advantages

  • High precision current measurement
  • Wide operating temperature range
  • Small form factor

Disadvantages

  • Limited input common-mode voltage range

Working Principles

The INA181A2IDBVT is a current sense amplifier that accurately measures the current flowing through a shunt resistor. It amplifies the small voltage drop across the shunt resistor to provide an output voltage proportional to the current.

Detailed Application Field Plans

  1. Battery Management Systems
  2. Power Supplies
  3. Motor Control
  4. Solar Inverters
  5. Overcurrent Protection Circuits

Detailed and Complete Alternative Models

  1. INA180A1IDBVR
  2. INA183A1IDBVR
  3. MAX4372HEUK+T
  4. LTC6101CDD#PBF

Note: The alternative models listed above are similar current sense amplifiers with varying specifications and features.

This completes the requested content in the English editing encyclopedia entry structure format.

技術ソリューションにおける INA181A2IDBVT の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the INA181A2IDBVT?

    • The INA181A2IDBVT is a high-side current sense amplifier that provides accurate current measurements in various technical solutions.

  2. What is the typical application of the INA181A2IDBVT?

    • The INA181A2IDBVT is commonly used for overcurrent protection, battery management, motor control, and power management in applications such as industrial automation, automotive systems, and power supplies.

  3. What is the operating voltage range of the INA181A2IDBVT?

    • The INA181A2IDBVT has an operating voltage range from 2.7V to 5.5V, making it suitable for a wide range of power supply designs.

  4. What is the output voltage range of the INA181A2IDBVT?

    • The output voltage range of the INA181A2IDBVT is from 0V to Vcc - 0.1V, allowing for easy interfacing with microcontrollers and analog-to-digital converters.

  5. How does the INA181A2IDBVT achieve high accuracy?

    • The INA181A2IDBVT achieves high accuracy through its low offset voltage, low offset drift, and high common-mode rejection ratio (CMRR), ensuring precise current measurements.

  6. Can the INA181A2IDBVT handle high-side current sensing?

    • Yes, the INA181A2IDBVT is designed for high-side current sensing, simplifying the implementation of current monitoring in various technical solutions.

  7. What are the key features of the INA181A2IDBVT?

    • The key features of the INA181A2IDBVT include wide input voltage range, low quiescent current, integrated precision shunt resistor, and industry-standard package for easy integration.

  8. How can the INA181A2IDBVT be used for overcurrent protection?

    • The INA181A2IDBVT can be used to monitor the current flowing through a load and trigger a protective mechanism when the current exceeds a predefined threshold, providing effective overcurrent protection.

  9. What are the recommended PCB layout guidelines for using the INA181A2IDBVT?

    • To ensure optimal performance, it is recommended to minimize trace lengths, provide adequate ground connections, and follow the layout guidelines provided in the datasheet for proper thermal management.

  10. Where can I find additional resources and support for implementing the INA181A2IDBVT in my technical solution?

    • Additional resources, including application notes, design tools, and technical support, can be found on the manufacturer's website or by contacting their technical support team directly.