Product Overview: INA220BIDGST from Texas Instruments
The INA220BIDGST is a high-precision digital current shunt and power monitor with an I2C-compatible interface. Manufactured by Texas Instruments, this device offers industry-leading performance for system-side current sensing applications in servers, telecom equipment, and other networking devices. With its wide input common-mode voltage range, high-accuracy measurements, and low power consumption, the INA220BIDGST is designed to meet the rigorous demands of modern electronic systems.
Key Features
- High Accuracy: The INA220BIDGST provides precise current sensing with a maximum offset of 100 µV and gain error of only 0.1%. This ensures accurate data for power monitoring and control.
- Wide Common-Mode Voltage Range: The device operates over a common-mode voltage range from -16V to +80V, making it suitable for various applications without the need for additional signal conditioning.
- Programmable Calibration: Users can calibrate the register to optimize the performance for specific shunt resistor values and voltage ranges, enhancing the flexibility of the monitoring system.
- Integrated Digital Bus: The I2C interface provides two programmable addresses, facilitating easy integration with microcontrollers and allowing for multiple devices on the same bus.
- Advanced Power Management: With a quiescent current of only 330 µA (typical), the INA220BIDGST is optimized for power-sensitive applications.
Applications
The INA220BIDGST is ideal for a variety of applications where power monitoring accuracy is crucial. These include:
- Server and telecom power supplies
- Battery management systems
- Power management for consumer and industrial electronics
- Automotive systems
Package and Quality
The device comes in a VSSOP-10 package, which is compact and suitable for space-constrained applications. Texas Instruments ensures high-quality standards, with each unit rigorously tested to meet industrial and automotive qualifications.
With the INA220BIDGST, Texas Instruments continues to demonstrate its commitment to providing advanced monitoring and control solutions that enhance system reliability and performance.