Texas Instruments

INA293B3QDBVRQ1  

OP Amps, Buffer Amps ICs

INA273B3QDBVRQ1 Description

The INA273B3QDBVRQ1 is a high-performance current sense amplifier designed for automotive applications. Manufactured by Texas Instruments, this device is part of the OP Amps, Buffer Amps ICs category. It features a single circuit in a compact SOT23-5 package, making it ideal for space-constrained applications.

INA273B3QDBVRQ1 Features

• Voltage - Supply Span: The INA273B3QDBVRQ1 operates over a wide supply voltage range of 2.7 V to 20 V, ensuring compatibility with various power sources.
• Current - Input Bias: With an ultra-low input bias current of 20 µA, this device minimizes self-heating and power dissipation in the sensing resistor.
• Slew Rate: A fast slew rate of 2.5 V/µs enables rapid response to changes in current, making it suitable for high-speed applications.
• -3dB Bandwidth: The device offers a wide bandwidth of 1 MHz, allowing for accurate current sensing in high-frequency applications.
• Voltage - Input Offset: A low input offset voltage of 10 µV ensures high accuracy in current measurements.
• Mounting Type: Surface mount packaging allows for easy integration into PCB designs.
• Current - Supply: The device consumes a low supply current of 1.5 mA, reducing overall power consumption in the system.
• REACH Status: The INA273B3QDBVRQ1 is REACH unaffected, ensuring compliance with European chemical regulations.
• RoHS Status: The device is RoHS3 compliant, making it suitable for environmentally conscious designs.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the device can be stored and handled without special precautions against moisture.

INA273B3QDBVRQ1 Applications

The INA273B3QDBVRQ1 is ideal for a variety of automotive and industrial applications where accurate current sensing is critical. Some specific use cases include:

1. Battery Management Systems (BMS): Accurately measure and monitor battery current to ensure optimal battery performance and safety.
2. Electric Vehicle (EV) Motor Controllers: Sense motor current for precise control and protection.
3. Power Distribution Units (PDUs): Monitor current in power distribution systems to prevent overloads and ensure reliable operation.
4. Solar Inverters: Measure and control current in solar power systems for maximum efficiency and safety.

Conclusion of INA273B3QDBVRQ1

The INA273B3QDBVRQ1 is a versatile and high-performance current sense amplifier designed for demanding automotive and industrial applications. Its wide supply voltage range, low input bias current, and fast slew rate make it an ideal choice for accurate and reliable current sensing. With its RoHS3 compliance and REACH unaffected status, the device is also environmentally friendly. The INA273B3QDBVRQ1 is a valuable component for engineers designing systems that require precise current monitoring and control.

INA293B3QDBVRQ1 Documents

Download datasheets and manufacturer documentation for INA293B3QDBVRQ1

Datasheets :

INA293-Q1      

PCN Design/Specification :

INA293-Q1 19/Aug/2022