Texas Instruments
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INA219AIDCNRG4
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INA219AIDCNRG4

Product Overview

Category

The INA219AIDCNRG4 belongs to the category of integrated circuit (IC) devices.

Use

It is primarily used for current sensing in various electronic systems.

Characteristics

  • High accuracy current measurement
  • Low offset voltage
  • Wide supply voltage range
  • Small package size
  • Easy to integrate into existing designs

Package

The INA219AIDCNRG4 is available in a small SOT23-6 package.

Essence

The essence of the INA219AIDCNRG4 lies in its ability to accurately measure current in electronic systems, enabling precise monitoring and control.

Packaging/Quantity

The INA219AIDCNRG4 is typically packaged in reels containing 3000 units.

Specifications

  • Supply Voltage: 2.7V to 5.5V
  • Current Measurement Range: ±3.2A
  • Resolution: 0.8mA
  • Operating Temperature Range: -40°C to +125°C
  • Interface: I2C

Detailed Pin Configuration

  1. V+
  2. GND
  3. SDA
  4. SCL
  5. ALERT
  6. ADDR

Functional Features

  • High-precision current measurement
  • Programmable calibration
  • Bus voltage measurement
  • Alert functionality for overcurrent detection
  • Address selection for multiple device integration

Advantages

  • Accurate current measurement with low offset voltage
  • Wide supply voltage range allows compatibility with various systems
  • Small package size enables easy integration into space-constrained designs
  • Programmable calibration enhances measurement accuracy
  • Alert functionality provides real-time overcurrent detection

Disadvantages

  • Limited current measurement range of ±3.2A
  • Requires an I2C interface for communication

Working Principles

The INA219AIDCNRG4 utilizes a shunt resistor to measure the voltage drop across it, which is proportional to the current flowing through the circuit. This voltage is amplified and converted into a digital value using an analog-to-digital converter (ADC). The device also measures the bus voltage to provide comprehensive current and power monitoring capabilities.

Detailed Application Field Plans

The INA219AIDCNRG4 finds applications in various fields, including:

  1. Power management systems
  2. Battery charging circuits
  3. Solar energy systems
  4. Motor control systems
  5. Industrial automation
  6. Internet of Things (IoT) devices

Detailed and Complete Alternative Models

  1. INA219AIDCNT
  2. INA219AIDCNR
  3. INA219AIDCNG4
  4. INA219AIDCNTG4
  5. INA219AIDCNTRG4

These alternative models offer similar functionality and characteristics to the INA219AIDCNRG4, providing flexibility for different design requirements.

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10 domande e risposte comuni relative all'applicazione di INA219AIDCNRG4 nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of INA219AIDCNRG4 in technical solutions:

  1. Q: What is the INA219AIDCNRG4? A: The INA219AIDCNRG4 is a high-side current shunt and power monitor IC that can accurately measure voltage, current, and power consumption in various applications.

  2. Q: How does the INA219AIDCNRG4 work? A: The INA219AIDCNRG4 uses a precision amplifier to measure the voltage across a shunt resistor, allowing it to calculate the current flowing through the load.

  3. Q: What is the maximum voltage range supported by the INA219AIDCNRG4? A: The INA219AIDCNRG4 supports a maximum voltage range of 26V.

  4. Q: Can the INA219AIDCNRG4 measure both positive and negative currents? A: No, the INA219AIDCNRG4 can only measure positive currents flowing from the high side to the low side.

  5. Q: What is the accuracy of the INA219AIDCNRG4? A: The INA219AIDCNRG4 has a typical accuracy of ±0.5% for voltage measurement and ±1% for current measurement.

  6. Q: Can the INA219AIDCNRG4 be used in high-frequency applications? A: Yes, the INA219AIDCNRG4 can be used in high-frequency applications as it has a bandwidth of 100kHz.

  7. Q: Does the INA219AIDCNRG4 have built-in protection features? A: Yes, the INA219AIDCNRG4 has built-in overvoltage, undervoltage, and overcurrent protection features.

  8. Q: Can the INA219AIDCNRG4 communicate with microcontrollers or other devices? A: Yes, the INA219AIDCNRG4 supports I2C communication, allowing it to interface with microcontrollers or other devices.

  9. Q: What is the operating temperature range of the INA219AIDCNRG4? A: The INA219AIDCNRG4 has an operating temperature range of -40°C to +125°C.

  10. Q: What are some common applications of the INA219AIDCNRG4? A: The INA219AIDCNRG4 is commonly used in applications such as power monitoring in servers, battery chargers, solar panels, motor control systems, and IoT devices.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.