사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | Zero-Drift |
| ProductStatus | Active |
| Function | Current Monitor |
| SensingMethod | High-Side |
| Accuracy | ±1% |
| Voltage-Input | 0V ~ 26V |
| Current-Output | 10mA |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | SOT-23-8 |
개요
Description
The INA219AIDCNR is a high-side current shunt and power monitor with an I²C interface, manufactured by Texas Instruments. It is designed to measure the voltage across a shunt resistor to calculate load current and power, making it ideal for applications like battery management, power management, and server power monitoring.
Key features of the INA219AIDCNR include a wide supply voltage range from 3V to 5.5V, and the ability to handle a common-mode voltage range from 0V to 26V. It also offers programmable calibration, which allows for precise current measurements and power calculations. With a high accuracy of up to 1% over the full temperature range, the device supports a programmable resolution from 9 to 12 bits.
The INA219AIDCNR is available in a small SOT-23 package, making it suitable for space-constrained designs. Its low power consumption and ease of interfacing with microcontrollers via the I²C bus make it a popular choice for designers seeking efficient and accurate current sensing solutions.
Key features of the INA219AIDCNR include a wide supply voltage range from 3V to 5.5V, and the ability to handle a common-mode voltage range from 0V to 26V. It also offers programmable calibration, which allows for precise current measurements and power calculations. With a high accuracy of up to 1% over the full temperature range, the device supports a programmable resolution from 9 to 12 bits.
The INA219AIDCNR is available in a small SOT-23 package, making it suitable for space-constrained designs. Its low power consumption and ease of interfacing with microcontrollers via the I²C bus make it a popular choice for designers seeking efficient and accurate current sensing solutions.
Equivalent
The INA219AIDCNR is a current shunt and power monitor IC from Texas Instruments. Equivalent products include the MAX4173 (Maxim Integrated) and the LT6100 (Analog Devices), both of which serve similar functions of current sensing and power monitoring. However, it's important to check the specific parameters and features like voltage range, accuracy, and interface to ensure compatibility with your application. Always refer to the datasheets for precise matching of specifications.
Features
The INA219AIDCNR is a precision power-monitoring integrated circuit (IC) from Texas Instruments, designed for current, voltage, and power measurements in various applications. Key features include:
1. High Accuracy: It achieves high accuracy with a 1% maximum error over a wide temperature range, making it reliable for precise measurements.
2. Wide Input Range: The device can measure bus voltages from 0V to 26V, accommodating a variety of systems.
3. Current Sensing: It supports current measurements up to 3.2A with an on-chip 12-bit ADC, providing detailed monitoring.
4. I2C Interface: The IC features an I2C-compatible interface, allowing easy integration and communication with microcontrollers.
5. Programmable Calibration: It includes programmable calibration registers for flexible configurations and optimization.
6. Low Power Consumption: The device operates with low power, making it suitable for battery-powered applications.
7. Small Package: It is available in a compact SOT-23 package, facilitating easy integration into space-constrained designs.
These features make the INA219AIDCNR ideal for use in computing, automotive, and industrial power monitoring applications.
1. High Accuracy: It achieves high accuracy with a 1% maximum error over a wide temperature range, making it reliable for precise measurements.
2. Wide Input Range: The device can measure bus voltages from 0V to 26V, accommodating a variety of systems.
3. Current Sensing: It supports current measurements up to 3.2A with an on-chip 12-bit ADC, providing detailed monitoring.
4. I2C Interface: The IC features an I2C-compatible interface, allowing easy integration and communication with microcontrollers.
5. Programmable Calibration: It includes programmable calibration registers for flexible configurations and optimization.
6. Low Power Consumption: The device operates with low power, making it suitable for battery-powered applications.
7. Small Package: It is available in a compact SOT-23 package, facilitating easy integration into space-constrained designs.
These features make the INA219AIDCNR ideal for use in computing, automotive, and industrial power monitoring applications.
Pinout
The INA219AIDCNR is a current shunt and power monitor with an I²C interface. It is typically packaged in an 8-pin DSBGA or MSOP package. The pin functions are as follows:
1. VCC: Power supply pin.
2. GND: Ground pin.
3. SDA: Serial Data Line for I²C communication.
4. SCL: Serial Clock Line for I²C communication.
5. VIN+: Positive input for current shunt voltage drop measurement.
6. VIN-: Negative input for current shunt voltage drop measurement.
7. AD0: Address pin to change the I²C address.
8. AD1: Additional address pin for further I²C address configuration.
These pins facilitate the monitoring of current and power over the I²C bus, allowing for integration into various applications such as battery management systems, power management, and other embedded systems requiring efficient power monitoring.
1. VCC: Power supply pin.
2. GND: Ground pin.
3. SDA: Serial Data Line for I²C communication.
4. SCL: Serial Clock Line for I²C communication.
5. VIN+: Positive input for current shunt voltage drop measurement.
6. VIN-: Negative input for current shunt voltage drop measurement.
7. AD0: Address pin to change the I²C address.
8. AD1: Additional address pin for further I²C address configuration.
These pins facilitate the monitoring of current and power over the I²C bus, allowing for integration into various applications such as battery management systems, power management, and other embedded systems requiring efficient power monitoring.
Manufacturer
The INA219AIDCNR is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and integrated circuits. They are one of the largest semiconductor companies in the world and provide a wide range of products, including analog electronics, digital signal processors, microcontrollers, and more. TI is known for its innovation in the electronics industry, serving various sectors such as automotive, industrial, personal electronics, and communications equipment.
Application
The INA219AIDCNR is a current shunt and power monitor with an I2C interface, used primarily for precise power management applications. Its applications include:
1. Battery Management: Monitoring battery charge and discharge currents in portable devices.
2. Energy Management Systems: Used in solar, wind, or grid energy systems for power usage monitoring.
3. Telecommunications Equipment: Managing power in routers, switches, and servers.
4. Industrial Automation: Monitoring motor currents and power consumption.
5. Consumer Electronics: Power monitoring in laptops and smartphones.
6. Automotive Systems: Used in electric vehicles for battery and powertrain management.
The sensor’s high accuracy and wide supply range make it suitable for various applications where power accuracy is crucial.
1. Battery Management: Monitoring battery charge and discharge currents in portable devices.
2. Energy Management Systems: Used in solar, wind, or grid energy systems for power usage monitoring.
3. Telecommunications Equipment: Managing power in routers, switches, and servers.
4. Industrial Automation: Monitoring motor currents and power consumption.
5. Consumer Electronics: Power monitoring in laptops and smartphones.
6. Automotive Systems: Used in electric vehicles for battery and powertrain management.
The sensor’s high accuracy and wide supply range make it suitable for various applications where power accuracy is crucial.
Package
The INA219AIDCNR is a current and power monitor IC that comes in a 10-pin DSBGA (Die Size Ball Grid Array) package. This compact package type is suitable for space-constrained applications and provides accurate power measurement capabilities by monitoring both current and voltage.
