Overview
The INA2191A3IYBJR is a high-precision current, voltage, and power monitor produced by Texas Instruments. This integrated circuit (IC) is designed for applications requiring accurate power monitoring and management. It is part of the INA219 family, which is widely recognized for its reliability and performance in energy monitoring systems. The INA2191A3IYBJR is particularly suited for battery-powered devices, industrial automation, and IoT applications due to its low power consumption and high accuracy. Its unique selling points include its ability to measure both current and voltage simultaneously, its programmable calibration, and its compatibility with I2C communication protocols.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 3.0 to 5.5 | V | |
| Current Measurement Range | ±3.2 | A | |
| Voltage Measurement Range | 0 to 26 | V | |
| Resolution | 12-bit | ||
| Communication Interface | I2C | ||
| Operating Temperature Range | -40 to 125 | °C | |
| Package | DSBGA | 8-pin | |
| Accuracy | ±1% | Current and Voltage |
Key Features
- Simultaneous current and voltage measurement.
- Programmable calibration for enhanced accuracy.
- Low power consumption, ideal for battery-powered devices.
- I2C communication interface for easy integration.
- High precision with ±1% accuracy.
Applications
The INA2191A3IYBJR is widely used in various fields, including:
- Battery-Powered Devices: Accurate power monitoring extends battery life and ensures optimal performance.
- Industrial Automation: Real-time power monitoring enhances system reliability and efficiency.
- IoT Applications: Low power consumption and high accuracy make it ideal for smart devices.
- Consumer Electronics: Ensures efficient power management in devices like laptops and smartphones.
Q & A
1. What is the operating voltage range of the INA2191A3IYBJR?
The operating voltage range is 3.0 to 5.5 V.
2. Can the INA2191A3IYBJR measure both current and voltage simultaneously?
Yes, it can measure both current and voltage simultaneously.
3. What is the current measurement range of the INA2191A3IYBJR?
The current measurement range is ±3.2 A.
4. What communication interface does the INA2191A3IYBJR use?
It uses the I2C communication interface.
5. What is the accuracy of the INA2191A3IYBJR?
The accuracy is ±1% for both current and voltage measurements.
6. What is the package type of the INA2191A3IYBJR?
It comes in an 8-pin DSBGA package.
7. Is the INA2191A3IYBJR suitable for IoT applications?
Yes, its low power consumption and high accuracy make it ideal for IoT applications.
8. Can the INA2191A3IYBJR be used in industrial automation?
Yes, it is widely used in industrial automation for real-time power monitoring.
9. What is the resolution of the INA2191A3IYBJR?
The resolution is 12-bit.
10. What is the operating temperature range of the INA2191A3IYBJR?
The operating temperature range is -40 to 125 °C.
