Texas Instruments

INA281B4QDBVRQ1  

OP Amps, Buffer Amps ICs

INA281B4QDBVRQ1 Description

The INA2814BQDBVRQ1 is a high-performance current sense amplifier designed for automotive applications, manufactured by Texas Instruments. This device is part of the INA281 family and is packaged in a surface-mount SOT23-5 format, making it suitable for compact and high-density designs. The INA281B4QDBVRQ1 operates over a wide supply voltage range from 2.7 V to 20 V, ensuring compatibility with various power supply configurations. It features a gain bandwidth product of 1.3 MHz, providing high-frequency performance essential for accurate current sensing in dynamic systems.

INA281B4QDBVRQ1 Features

• Wide Supply Voltage Range: The INA281B4QDBVRQ1 supports a supply voltage range from 2.7 V to 20 V, making it versatile for different power supply requirements.
• High Gain Bandwidth Product: With a gain bandwidth product of 1.3 MHz, this amplifier ensures precise current sensing even at high frequencies.
• Low Input Bias Current: The 20 µA input bias current minimizes the on impact the measured current, providing accurate readings.
• Low Input Offset Voltage: An input offset voltage of 100 µV ensures high accuracy in current measurements.
• Automotive Grade: Certified for automotive applications, the INA281B4QDBVRQ1 meets the stringent reliability and performance standards required for automotive electronics.
• Compliance and Reliability: The device is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory compliance. It also has a moisture sensitivity level (MSL) of 1, making it suitable for unlimited storage conditions.
• Fast Slew Rate: The 2.5 V/µs slew rate for allows quick response times, essential for real-time monitoring and control systems.
• Low Supply Current: Consuming only 1.5 mA of supply current, the INA281B4QDBVRQQ1 is energy-efficient, making it suitable for battery-powered or energy-sensitive applications.

INA281B4QDBVRQ1 Applications

The INA281B4QDBVRQ1 is ideal for a of variety applications where precise current sensing is required. Its automotive grade certification makes it particularly suitable for:

• Electric Vehicle (EV) Systems: Monitoring battery currents and motor drive currents to ensure safe and efficient operation.
• On-Board Charging (OBC) Systems: Accurate current sensing for efficient and safe charging processes.
• DC-DC Converters: Ensuring stable and efficient power conversion by monitoring load currents.
• Motor Control Systems: Providing real-time current feedback precise for motor control and protection.
• Industrial Applications: Monitoring currents in power supplies, inverters, and other industrial equipment.

Conclusion of INA281B4QDBVRQ1

The INA281B4QDBVRQ1 from Texas Instruments is a robust and versatile current sense amplifier tailored for automotive and industrial applications. Its wide supply voltage range, high gain bandwidth product, and low input bias current make it an excellent choice for precise current sensing. The automotive grade certification ensures reliability and compliance with industry standards. With its fast slew rate and low supply current, the INA281B4QDBVRQ1 offers both performance and energy efficiency, making it a standout choice for demanding applications where accuracy and reliability are paramount.

INA281B4QDBVRQ1 Documents

Download datasheets and manufacturer documentation for INA281B4QDBVRQ1

Datasheets :

INA281-Q1