Texas Instruments

INA190A5IRSWR

INA190A5IRSWR Description

The INA190A5IRSWR from Texas Instruments is a high-precision, low-power current sense amplifier designed for accurate bidirectional current measurement in a wide range of applications. Packaged in a compact 10-UQFN form factor and supplied via Tape & Reel (TR), this IC operates over a 1.7V to 5.5V supply range, making it suitable for low-voltage systems. With an ultra-low input bias current of 500 pA and a minimal input offset voltage of 2 µV, it delivers exceptional accuracy for sensitive current monitoring. Its 27 kHz bandwidth and 0.25V/µs slew rate ensure responsive performance in dynamic load conditions.

INA190A5IRSWR Features

• Low Quiescent Current: Consumes only 40µA, ideal for battery-powered and energy-efficient designs.
• Wide Supply Range: Supports 1.7V to 5.5V, enabling use in both 3.3V and 5V systems.
• High Precision: Features 2 µV offset voltage and 500 pA input bias current for minimal measurement error.
• Compact and Robust: 10-UQFN package with MSL 1 (Unlimited) moisture sensitivity, ensuring reliability in surface-mount applications.
• Compliance: ROHS3 Compliant and REACH Unaffected, meeting environmental and regulatory standards.

INA190A5IRSWR Applications

• Battery Management Systems: Accurate current monitoring in portable devices and energy storage.
• Motor Control: Bidirectional current sensing in brushed/brushless DC motor drives.
• Power Supplies: Overcurrent protection and load monitoring in DC-DC converters.
• Industrial Automation: Current feedback in PLCs and sensor interfaces.
• IoT Devices: Low-power current measurement for wireless sensors and edge devices.

Conclusion of INA190A5IRSWR

The INA190A5IRSWR stands out for its low-power operation, high precision, and compact design, making it a superior choice for applications demanding reliable current sensing. Its wide voltage range and minimal error characteristics provide versatility across industrial, automotive, and consumer electronics. For engineers seeking a cost-effective, high-performance solution, this amplifier delivers unmatched accuracy and efficiency in space-constrained designs.