Product Overview: INA240A3QPWRQ1 from Texas Instruments

The INA240A3QPWRQ1 is a precision, automotive-qualified current sense amplifier from Texas Instruments, designed to offer industry-leading performance for battery management systems, motor control, and other automotive applications. This high-accuracy device is part of the INA240 series and comes in a small, leaded PW package that is suitable for space-constrained applications.

Key Features

• High Accuracy: The INA240A3QPWRQ1 provides a gain error of just ±0.1%, ensuring precise current measurement across a wide range of conditions.
• Wide Common-Mode Range: With a common-mode voltage range of -4V to +80V, this amplifier is capable of handling high-side and low-side current sensing in systems with high voltage swings.
• High Bandwidth: A bandwidth of up to 400 kHz allows for fast current monitoring, making it ideal for dynamic load conditions.
• Low Offset: The device features a low offset voltage of ±80 µV, which contributes to its high accuracy in current measurement.
• Automotive Qualified: As a Q1 device, the INA240A3QPWRQ1 meets the stringent requirements of the automotive industry, including AEC-Q100 qualification.
• Thermal Shutdown: Built-in thermal shutdown protects the device under extreme operating conditions.
• EMI/RFI Filters: Integrated electromagnetic interference (EMI) and radio-frequency interference (RFI) filters minimize noise susceptibility in harsh automotive environments.

Applications

• Automotive Battery Management Systems
• Motor Control
• Overcurrent Protection
• Power Management
• Hybrid Electric Vehicles/Electric Vehicles (HEV/EV)

The INA240A3QPWRQ1 is designed to be robust and reliable, with features that make it an excellent choice for the automotive sector and other applications requiring precise current measurements. Its small footprint, combined with its high level of integration, makes it an efficient solution for modern electronic systems.

For engineers and designers looking for a dependable current sense amplifier that can withstand the rigors of automotive applications while providing high accuracy, the INA240A3QPWRQ1 from Texas Instruments is an optimal choice.