Product Overview: INA253A1QPWRQ1 from Texas Instruments

The INA253A1QPWRQ1 is a precision automotive current sense amplifier designed by Texas Instruments. This advanced device is part of the industry-leading portfolio of Texas Instruments' current sense amplifiers, offering high accuracy and performance for a wide range of automotive and industrial applications.

This current sense amplifier features a common-mode voltage range from -0.2V to +26V, and is optimized for current sensing in systems that require a wide input common-mode voltage range. The INA253A1QPWRQ1 is capable of providing an output voltage that is proportional to the current passing through the sense resistor, even with common-mode voltages much higher or lower than the supply voltage.

With a quiescent current of only 1.35mA (typical), the INA253A1QPWRQ1 is also an excellent choice for power-sensitive applications. Additionally, the device boasts a gain error of just ±0.1% (maximum), ensuring precise current measurement across its operating temperature range of -40°C to +125°C, which is critical for automotive and industrial environments.

The INA253A1QPWRQ1 comes in a small, leaded TSSOP-8 package, making it suitable for space-constrained applications. Its integrated EMI filter ensures robustness in environments with high electromagnetic interference, a common challenge in automotive contexts. The device is also AEC-Q100 qualified, meaning it meets the stringent requirements of automotive quality systems, providing further assurance of its reliability and performance in vehicle applications.

Key features of the INA253A1QPWRQ1 include:

• Wide Common-Mode Range: -0.2V to +26V
• Low Quiescent Current: 1.35mA (typical)
• High Accuracy: Gain Error of ±0.1% (maximum)
• Temperature Range: Operating from -40°C to +125°C
• Small Package Size: TSSOP-8
• Integrated EMI Filter
• AEC-Q100 Qualified

The INA253A1QPWRQ1 is an ideal choice for automotive battery monitoring, motor control, overcurrent protection, and any application where precise current measurement is essential. Its robust design and precision make it a go-to component for engineers looking to enhance system reliability and performance.