Texas Instruments

INA281B1QDBVRQ1  

OP Amps, Buffer Amps ICs

INA281B1QDBVRQ1 Description

The INA281B1QDBVRQ1 is a high-performance, automotive-grade current sense amplifier from Texas Instruments. This device is designed to provide accurate and reliable current sensing in a wide range of applications, including battery monitoring, motor control, and power management systems. With its robust features and excellent performance, the INA281B1QDBVRQ1 is an ideal choice for demanding automotive and industrial applications.

INA281B1QDBVRQ1 Features

• Voltage Supply Span: The INA281B1QDBVRQ1 operates over a wide supply voltage range of 2.7V to 20V, making it suitable for various power supply configurations.
• Gain Bandwidth Product: A high gain bandwidth product of 1.3 MHz ensures fast response and accurate current sensing.
• Input Bias Current: Low input bias current of 20 µA minimizes the impact on the current being sensed, ensuring accurate measurements.
• Slew Rate: A high slew rate of 2.5V/µs enables rapid response to changes in current.
• Voltage Input Offset: A low voltage input offset of 100 µV contributes to the high accuracy of the INA281B1QDBVRQ1.
• Mounting Type: Surface mount packaging allows for easy integration into PCB designs.
• Current Supply: The device consumes a low supply current of 1.5mA, making it suitable for power-sensitive applications.
• RoHS Compliance: The INA281B1QDBVRQ1 is compliant with RoHS3, making it suitable for environmentally friendly designs.
• REACH Status: The device is REACH unaffected, ensuring compliance with European chemical regulations.
• Moisture Sensitivity Level (MSL): An MSL of 1 indicates that the device can be stored and handled without special precautions.

INA281B1QDBVRQ1 Applications

The INA281B1QDBVRQ1 is ideal for a variety of applications where accurate current sensing is critical:

• Battery Monitoring: The INA281B1QDBVRQ1 can be used to monitor battery current and voltage, providing essential data for battery management systems.
• Motor Control: In motor control applications, the device can accurately sense motor current, enabling precise control and protection.
• Power Management: The INA281B1QDBVRQ1 can be used in power management systems to monitor and control current in power supplies and distribution networks.
• Automotive Applications: Due to its automotive grade rating, the INA281B1QDBVRQ1 is well-suited for various automotive applications, including electric vehicle (EV) battery management systems and powertrain control.

Conclusion of INA281B1QDBVRQ1

The INA281B1QDBVRQ1 is a versatile and high-performance current sense amplifier that offers a wide supply voltage range, low input bias current, and high slew rate. Its automotive grade rating, RoHS compliance, and REACH unaffected status make it an excellent choice for demanding applications in the automotive and industrial sectors. With its unique features and advantages, the INA281B1QDBVRQ1 stands out as a reliable solution for accurate current sensing in a variety of applications.

INA281B1QDBVRQ1 Documents

Download datasheets and manufacturer documentation for INA281B1QDBVRQ1

PCN :

Product Change Notification 2024-02-05 (PDF)