The INA168NA/250G4 from Texas Instruments is a high-quality, precision current-sense amplifier that provides a cost-effective solution for a wide range of applications. This amplifier is designed to monitor current in power supplies, motor controls, battery management systems, and overcurrent protection circuits, making it an essential component in industrial, automotive, and consumer electronics.
Key Features:
- Wide Supply Range: The INA168NA/250G4 operates over a broad supply voltage range from 2.7V to 60V, accommodating various applications from low-voltage to high-voltage systems.
- High Accuracy: With its precision engineering, this current-sense amplifier offers a typical accuracy of 1%, ensuring reliable and precise current measurement for critical applications.
- Low Quiescent Current: Its low quiescent current of 60 µA (typical) makes it suitable for battery-powered applications, where power conservation is a priority.
- High Common-Mode Rejection Ratio (CMRR): The device features a high CMRR of 120 dB (typical), which enables accurate current measurements in the presence of high common-mode voltages.
- Single Resistor Gain Set: The gain of the INA168NA/250G4 can be easily set with a single external resistor, providing flexibility and simplicity in design.
- Robust Design: The device is designed for rugged environments and is specified for the extended industrial temperature range of -40°C to 125°C.
Applications:
- Power management in servers and telecom equipment
- Battery chargers and energy management systems
- Motor control and load detection
- Overcurrent and fault protection circuits
- Portable and handheld electronics
The INA168NA/250G4 is available in a compact SOT-23 package, making it easy to integrate into space-constrained designs. Its combination of performance, reliability, and versatility makes it an excellent choice for engineers looking for a current-sense solution that can meet the demands of modern electronic systems.