The Texas Instruments INA139QPWRSV is a high-side current sense amplifier designed to offer precise current measurement for a wide range of applications. This device is particularly suitable for those applications that require current monitoring of batteries, power supplies, and motor controls. The INA139QPWRSV is a versatile component that can be integrated into industrial, automotive, and consumer electronics, providing a reliable solution for current sensing needs.

Key Features

• High-Side Measurement: The INA139QPWRSV is capable of measuring current on the high side of the circuit, allowing for the detection of ground faults and providing a safer measurement environment.
• Wide Supply Range: It operates on a supply voltage range from 2.7V to 40V, making it compatible with a variety of systems.
• Low Supply Current: With a supply current of only 60 µA, it offers an energy-efficient solution for continuous current monitoring.
• High Accuracy: The device ensures high accuracy with a maximum input offset voltage of ±250 µV, which is essential for precise current measurement.
• Common-Mode Range: It has an extended common-mode range from 0V to 40V, which provides the flexibility to handle a variety of common-mode voltages.
• Wide Operating Temperature: The INA139QPWRSV is designed to operate over a wide temperature range from -40°C to +125°C, ensuring reliable performance in harsh environments.

Applications

• Battery management systems
• Power management
• Overcurrent protection
• Automotive systems
• Portable devices

The INA139QPWRSV from Texas Instruments is a robust and precise solution for current sensing in a variety of electronic systems. Its high-side measurement capability, combined with a wide supply range and low power consumption, makes it an ideal choice for designers looking to enhance the safety and efficiency of their applications.