Texas Instruments

LMP8640QMKE-T/NOPB  

OP Amps, Buffer Amps ICs

LMP8640QMKE-T/NOPB Description

The LMP8640QMKE-T/NOPB is a high-performance current sense amplifier designed for automotive applications. Manufactured by Texas Instruments, this device is part of the Linear IC Chips category and is packaged in a surface-mount SOT23-THIN format. The LMP8640QMKE-T/NOPB is designed to operate within a wide supply voltage range, from 2.7 V to 12 V, making it suitable for a variety of power supply conditions. It features a gain bandwidth product of 950 kHz, ensuring accurate and reliable performance in dynamic current sensing applications. The amplifier's slew rate of 1.8 V/µs allows for fast response times, which is crucial for real-time monitoring and control systems.

LMP8640QMKE-T/NOPB Features

• Wide Supply Voltage Range: The LMP8640QMKE-T/NOPB operates within a supply voltage range of 2.7 V to 12 V, providing flexibility in power supply design.
• High Gain Bandwidth Product: With a gain bandwidth product of 950 kHz, this amplifier ensures high accuracy and stability in current sensing applications.
• Low Input Bias Current: The input bias current is as low as 13 µA, minimizing the impact on the measured current and ensuring high precision.
• Low Input Offset Voltage: The input offset voltage of 900 µV ensures minimal error in current measurement, contributing to the overall accuracy of the system.
• Automotive Grade: Certified for automotive use, the LMP8640QMKE-T/NOPB meets the stringent reliability and performance standards required for automotive electronics.
• Compliance and Safety: The device is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the LMP8640QMKE-T/NOPB is suitable for various manufacturing environments without the need for special handling.
• Packaging: The device is available in a Tape & Reel (TR) package, facilitating efficient and automated assembly processes.

LMP8640QMKE-T/NOPB Applications

The LMP8640QMKE-T/NOPB is ideal for a range of automotive applications where precise current sensing is critical. Some specific use cases include:

• Battery Management Systems: Accurate current sensing is essential for monitoring battery charge and discharge currents, ensuring optimal performance and longevity.
• Motor Control Systems: Precise current sensing enables efficient motor control, enhancing system performance and reliability.
• Power Supply Monitoring: The device can be used to monitor power supply currents, ensuring stable operation and detecting anomalies in real-time.
• Overcurrent Protection: The LMP8640QMKE-T/NOPB can be integrated into overcurrent protection circuits, providing a reliable and fast response to overcurrent conditions.

Conclusion of LMP8640QMKE-T/NOPB

The LMP8640QMKE-T/NOPB from Texas Instruments is a robust and versatile current sense amplifier designed for automotive 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 device's automotive grade certification, compliance with environmental regulations, and surface-mount packaging further enhance its suitability for modern automotive electronics. Whether used in battery management systems, motor control, or power supply monitoring, the LMP8640QMKE-T/NOPB offers reliable performance and high precision, making it a valuable component in the design of advanced automotive electronic systems.

LMP8640QMKE-T/NOPB Documents

Download datasheets and manufacturer documentation for LMP8640QMKE-T/NOPB

PCN Assembly/Origin :

Assembly Site 03/Oct/2022      

Datasheets :

LMP8640(HV, -Q1)      

PCN Obsolescence/ EOL :

LMP8640yy/TPIC8101DW obs 13/Dec/2023      

HTML Datasheet :

LMP8640(HV, -Q1)      

PCN Design/Specification :

Pin 1 Dot Mark Revison A 30/Jan/2015       Pin 1 Dot Marking Update 01/Jan/2015