Product Overview: INA253A2QPWRQ1 - Texas Instruments

The INA253A2QPWRQ1 from Texas Instruments is a high-precision, automotive-grade current-sense amplifier that offers an ideal solution for current measurement in a wide range of automotive and industrial applications. This robust device is designed to provide accurate current monitoring by converting a differential voltage signal from a current-sensing resistor into a proportional voltage output.

With its wide input common-mode voltage range of -4V to +80V, the INA253A2QPWRQ1 can handle high-side and low-side current sensing in systems with significant voltage variations, making it extremely versatile for use in environments with fluctuating supply voltages. This feature ensures reliable performance in systems such as electric vehicles, battery management systems, and motor control units.

The INA253A2QPWRQ1 boasts a low offset voltage of ±15 µV (max) and a gain error of ±0.1% (max), which translates to high-accuracy measurements critical for efficient system control and protection. Additionally, its low quiescent current of 200 µA (typical) makes it an energy-efficient choice for applications where power conservation is crucial.

This device is offered in a small, surface-mount PowerPAD™ package, which not only saves board space but also enhances thermal performance. The INA253A2QPWRQ1 is qualified for automotive applications, complying with the AEC-Q100 standard, which ensures reliability under harsh operating conditions.

Key features of the INA253A2QPWRQ1 include:

• Common-mode voltage range: -4V to +80V
• Low offset voltage: ±15 µV (max)
• Gain error: ±0.1% (max)
• Low quiescent current: 200 µA (typical)
• Operating temperature range: -40°C to +125°C
• PowerPAD™ package for enhanced thermal performance
• AEC-Q100 qualified for automotive applications

The INA253A2QPWRQ1 is a reliable and precise solution for designers looking to incorporate current-sense amplifiers in their automotive or industrial projects, where accuracy and efficiency are paramount.