Overview
The INA2191A4IYBJR is a high-precision current shunt and power monitor from Texas Instruments, designed for applications requiring accurate current and voltage measurements. This product belongs to the category of integrated circuits (ICs) and is specifically tailored for power management and monitoring in various electronic systems. The INA2191A4IYBJR is ideal for engineers and designers working on battery management systems, power supplies, and industrial automation. Its unique selling points include its high accuracy, low power consumption, and ease of integration, making it a competitive choice in the market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 3.0 to 5.5 | V | Operating range |
| Current Sense Accuracy | ±0.5 | % | Maximum error |
| Voltage Sense Accuracy | ±0.1 | % | Maximum error |
| Communication Interface | I2C | - | Compatible with standard I2C protocols |
| Package | BGA | - | 12-ball, 2.5mm x 2.5mm |
| Operating Temperature | -40 to 125 | °C | Industrial grade |
Key Features
- High Accuracy: Provides precise current and voltage measurements with minimal error.
- Low Power Consumption: Optimized for energy-efficient applications.
- Integrated Design: Combines current shunt and power monitoring in a single chip.
- I2C Interface: Simplifies communication with microcontrollers and other devices.
- Compact Package: Small form factor ideal for space-constrained designs.
Applications
The INA2191A4IYBJR is widely used in various fields, including:
- Battery Management Systems: Monitors charging and discharging currents accurately.
- Power Supplies: Ensures stable and efficient power delivery.
- Industrial Automation: Provides real-time power monitoring for machinery and equipment.
- Consumer Electronics: Enhances the performance and safety of devices like laptops and smartphones.
Q & A
1. What is the operating voltage range of the INA2191A4IYBJR?
The operating voltage range is 3.0 to 5.5V.
2. How accurate is the current measurement?
The current sense accuracy is ±0.5%.
3. What interface does the INA2191A4IYBJR use?
It uses an I2C communication interface.
4. What is the package type of this IC?
It comes in a 12-ball BGA package measuring 2.5mm x 2.5mm.
5. What is the temperature range for operation?
It operates from -40°C to 125°C.
6. Can this IC be used in battery management systems?
Yes, it is ideal for monitoring charging and discharging currents in battery management systems.
7. Is the INA2191A4IYBJR suitable for industrial applications?
Yes, it is designed for industrial automation and other demanding environments.
8. How does the I2C interface benefit users?
The I2C interface simplifies communication with microcontrollers and other devices, reducing design complexity.
9. What is the voltage sense accuracy?
The voltage sense accuracy is ±0.1%.
10. Is this IC energy-efficient?
Yes, it features low power consumption, making it suitable for energy-efficient applications.
