Texas Instruments

INA2181A2QDGSRQ1

INA2181A2QDGSRQ1 Description

The INA2181A2QDGSRQ1 is a high-performance, dual current sense amplifier designed for automotive applications. Manufactured by Texas Instruments, this device offers a wide supply voltage range from 2.7 V to 5.5 V, making it suitable for various power supply configurations. With a gain bandwidth product of 210 kHz and a -3dB bandwidth of 210 kHz, the INA2181A2QDGSRQ1 ensures precise and efficient current sensing in dynamic environments. The amplifier's slew rate of 2V/µs and low input bias current of 75 µA contribute to its high accuracy and reliability.

INA2181A2QDGSRQQ1 Features

• Wide Supply Voltage Range: Operates from 2.7 V to 5.5 V, providing flexibility in power supply design.
• High Gain Bandwidth Product: 210 kHz ensures accurate and responsive current sensing.
• Low Input Bias Current: 75 µA minimizes the impact on the circuit being monitored.
• Low Input Offset Voltage: 100 µV enhances the accuracy of current measurements.
• High Slew Rate: 2V/µs ensures fast response times, crucial for transient current sensing.
• Automotive Grade: Compliant with stringent automotive standards, ensuring robustness and reliability.
• Surface Mount Packaging: 10-VSSOP package is ideal for compact and high-density PCB designs.
• Dual Circuits: Two independent current sense amplifiers in a single package, reducing component count and board space.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.

INA2181A2QDGSRQ1 Applications

The INA2181A2QDGSRQ1 is ideally suited for automotive applications requiring precise current monitoring and control. Specific use cases include:

• Battery Management Systems: Accurate current sensing for battery charge and discharge cycles.
• Motor Control: Monitoring motor currents for efficient and safe operation.
• Power Supply Monitoring: Ensuring stable power delivery in automotive electronic systems.
• Overcurrent Protection: Detecting and preventing overcurrent conditions to protect sensitive components.
• Fuel Injection Systems: Precise control of fuel pump currents for optimized performance and efficiency.

Conclusion of INA2181A2QDGSRQ1

The INA2181A2QDGSRQ1 from Texas Instruments stands out as a versatile and reliable solution for automotive current sensing applications. Its wide supply voltage range, high gain bandwidth product, and low input bias current make it an ideal choice for demanding environments. The dual circuit design and compact surface mount package further enhance its appeal for space-constrained applications. With its automotive grade certification and compliance with environmental standards, the INA2181A2QDGSRQ1 ensures long-term reliability and performance in critical automotive systems.