INA293B1QDBVRQ1 Description
The INA293B1QDBVRQ1 is a high-performance current sense amplifier designed for automotive applications, manufactured by Texas Instruments. This device is part of the INA293 family and is packaged in a compact SOT23-5 surface mount package, making it ideal for space-constrained designs. The INA293B1QDBVRQ1 features a wide supply voltage range from 2.7V to 20V, ensuring compatibility with various power supply systems. It also boasts a low input bias current of 20 µA and a supply current of 1.5mA, contributing to high efficiency and minimal power consumption.
INA293B1QDBVRQ1 Features
- Wide Supply Voltage Range: The INA293B1QDBVRQ1 operates within a supply voltage range of 2.7V to 20V, making it suitable for a variety of automotive power systems.
- Low Input Offset Voltage: With an input offset voltage of only 30 µV, this amplifier ensures high accuracy in current sensing applications.
- High Bandwidth: The -3dB bandwidth of 1.3 MHz allows for fast response times and accurate measurements in dynamic current sensing scenarios.
- High Slew Rate: A slew rate of 2.5V/µs ensures that the amplifier can handle rapid changes in input signals without distortion.
- Automotive Grade: Certified for automotive use, the INA293B1QDBVRQ1 meets the stringent reliability and performance standards required for automotive electronics.
- Compliance and Reliability: The device is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. It also has a moisture sensitivity level (MSL) of 1, making it suitable for unlimited exposure to ambient conditions.
- Packaging: Available in a Tape & Reel (TR) package, the INA293B1QDBVRQ1 is ideal for automated assembly processes.
INA293B1QDBVRQ1 Applications
The INA293B1QDBVRQ1 is particularly well-suited for applications requiring precise current sensing in automotive environments. Specific use cases include:
- Battery Management Systems: Accurate current sensing is crucial for monitoring battery charge and discharge cycles, ensuring optimal performance and longevity.
- Motor Control: The high bandwidth and slew rate make this amplifier ideal for real-time current monitoring in motor control applications, enhancing efficiency and reliability.
- Power Supply Monitoring: The wide supply voltage range and low input offset voltage enable precise monitoring of power supply currents, ensuring stable operation.
- Overcurrent Protection: The device can be used to detect overcurrent conditions, providing a critical safety feature in automotive electrical systems.
Conclusion of INA293B1QDBVRQ1
The INA293B1QDBVRQ1 from Texas Instruments stands out as a robust and versatile current sense amplifier tailored for automotive applications. Its wide supply voltage range, low input offset voltage, and high bandwidth make it an excellent choice for precise current sensing in demanding environments. The automotive grade certification, combined with compliance with environmental and regulatory standards, ensures reliability and safety. Whether used in battery management, motor control, or power supply monitoring, the INA293B1QDBVRQ1 delivers exceptional performance and value, making it a preferred choice for engineers designing advanced automotive electronic systems.