Texas Instruments

INA253A3QPWRQ1  

OP Amps, Buffer Amps ICs

INA253A3QPWRQ1 Description

The INA253A3QPWRQ1 is a high-performance current sense amplifier designed for automotive applications, manufactured by Texas Instruments. This device is part of the INA253 family and is optimized for precision current sensing in a wide range of automotive systems. The amplifier features a wide supply voltage range from 2.7 V to 5.5 V, making it suitable for various power supply configurations. It operates with an input bias current of 90 µA and a supply current of 1.8 mA, ensuring low power consumption while maintaining high performance.

The INA253A3QPWRQ1 is housed in a 20-TSSOP package, which is ideal for surface-mount applications, providing robustness and reliability in automotive environments. The device is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory standards are met. With a -3 dB bandwidth of 350 kHz and a slew rate of 2.4 V/µs, it offers excellent dynamic performance for accurate current sensing in fast-switching circuits.

INA253A3QPWRQ1 Features

• Wide Supply Voltage Range: Operates from 2.7 V to 5.5 V, providing flexibility in power supply design.
• Low Input Bias Current: 90 µA ensures minimal impact on the circuit being monitored.
• Low Supply Current: 1.8 mA reduces power consumption, ideal for energy-efficient designs.
• High Bandwidth: 350 kHz -3 dB bandwidth supports high-speed current sensing applications.
• Fast Slew Rate: 2.4 V/µs ensures accurate response to rapid current changes.
• Automotive Grade: Designed to meet the stringent requirements of automotive applications.
• Moisture Sensitivity Level 2 (1 Year): Ensures reliability in humid environments.
• Surface Mount Packaging: 20-TSSOP package is suitable for automated assembly processes.
• Compliance: REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory standards.

INA253A3QPWRQ1 Applications

The INA253A3QPWRQ1 is ideal for a variety of automotive applications where precise current sensing is critical. Some specific use cases include:

• Battery Management Systems: Accurate monitoring of battery current to ensure safe and efficient operation.
• Motor Control: Precise current sensing for motor drives to optimize performance and efficiency.
• Power Supply Monitoring: Ensuring stable and reliable power delivery in automotive electronic systems.
• Fuel Injection Systems: Monitoring current in fuel injection systems for optimal performance and emissions control.
• Safety Systems: Reliable current sensing in safety-critical systems such as airbags and anti-lock braking systems.

Conclusion of INA253A3QPWRQ1

The INA253A3QPWRQ1 from Texas Instruments is a robust and high-performance current sense amplifier tailored for automotive applications. Its wide supply voltage range, low input bias current, and fast slew rate make it an ideal choice for precision current sensing in demanding environments. The device's compliance with environmental and regulatory standards, along with its surface-mount packaging, ensures it meets the needs of modern automotive electronics. Whether used in battery management, motor control, or safety systems, the INA253A3QPWRQ1 provides reliable and accurate current sensing, making it a standout choice in its category.

INA253A3QPWRQ1 Documents

Download datasheets and manufacturer documentation for INA253A3QPWRQ1

PCN :

Produt Change Notification (PDF)       Product Change Notification (PDF)      

Technical Resources :

INA253 TINA-TI Reference Design      

SPICE Models :

INA253A3 PSpice Model       INA253 TINA-TI Spice Model