The INA2181A4IDSQR is a high-performance, dual-channel current shunt and voltage monitor with an I2C- and SMBus-compatible interface. Designed and manufactured by Texas Instruments, this precision device is ideal for power management applications that require both high accuracy and small footprint.

Key Features

• Integrated Dual Channels: The INA2181A4IDSQR features two independent channels, allowing simultaneous sampling of two separate current paths, which can be beneficial in applications like motor control or battery monitoring.
• High Accuracy: With an accuracy of 0.1% (max) over the temperature range of -40°C to +125°C, this device ensures precise current measurement for critical applications.
• Wide Common-Mode Range: The device operates over a common-mode voltage range of -0.3V to +26V, accommodating a variety of systems without the need for additional level shifting.
• Adjustable Gain: The INA2181A4IDSQR offers programmable gain settings through the digital interface, allowing for flexibility in shunt resistor selection and scaling of the voltage output.
• Low Offset Voltage: The low offset voltage of the device minimizes error in current measurements, making it suitable for low-side current sensing applications.
• I2C-Compatible Interface: The I2C- and SMBus-compatible interface supports standard, fast, and high-speed modes, enabling easy integration with a microcontroller or processor.

Applications

• Power management systems
• Battery chargers and monitors
• Motor control systems
• Overcurrent protection
• Portable devices
• Telecommunication systems

Package and Quality

The INA2181A4IDSQR comes in a compact QFN package, making it suitable for space-constrained applications. Texas Instruments' commitment to quality ensures that the device meets stringent industry standards for performance and reliability, making it a trusted choice for engineers and designers across various sectors.