Texas Instruments

LM81BIMTX-3  

Thermal Management ICs

LM81BIMTX-3 Description

The LM81BIMTX-3 is a highly integrated hardware monitor IC designed by Texas Instruments, aimed at providing comprehensive monitoring and control functionalities for various electronic systems. This device is part of the Power Management (PMIC) category and is housed in a 24-TSSOP package, making it suitable for surface mount applications. It features an advanced topology that includes an ADC (Sigma Delta), comparator, fan speed control, and register bank, enabling precise monitoring and control of system parameters.

LM81BIMTX-3 Features

The LM81BIMTX-3 offers several key features that make it a robust solution for hardware monitoring:

• Accuracy: The device provides a high level of accuracy with a maximum error of ±3°C, ensuring reliable temperature monitoring.
• Sensor Type: It supports both internal and external sensors, allowing for versatile monitoring of different system components.
• Supply Voltage Range: The IC operates within a supply voltage range of 2.8V to 3.8V, making it suitable for a variety of power supply configurations.
• Output Capabilities: The LM81BIMTX-3 includes both fan speed control and alarm outputs, enabling proactive system management and timely alerts for potential issues.
• Package and Mounting: The device comes in a Tape & Reel (TR) package and is designed for surface mount, facilitating easy integration into modern PCB designs.
• Compliance: It is REACH unaffected and classified under HTSUS code 8452.39.0001, ensuring compliance with international regulations.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the LM81BIMTX-3 is highly resistant to moisture, enhancing its reliability in various environmental conditions.

LM81BIMTX-3 Applications

The LM81BIMTX-3 is ideal for a range of applications where precise hardware monitoring and control are critical:

• Telecommunications: Monitoring temperature and fan speeds in base stations and network equipment to ensure optimal performance and prevent overheating.
• Data Centers: Providing real-time monitoring of server racks, ensuring that critical components operate within safe temperature ranges and that cooling systems function efficiently.
• Industrial Control Systems: Monitoring and controlling the operating conditions of industrial equipment to prevent failures and extend the lifespan of machinery.
• Embedded Systems: Ensuring the reliability and longevity of embedded systems by monitoring critical parameters and providing alerts for abnormal conditions.

Conclusion of LM81BIMTX-3

The LM81BIMTX-3, manufactured by Texas Instruments, is a comprehensive hardware monitor IC that offers precise temperature monitoring, fan speed control, and alarm outputs. Its advanced features and versatile design make it suitable for a wide range of applications, from telecommunications to industrial control systems. Despite being marked as obsolete, the LM81BIMTX-3 remains a reliable choice for systems requiring robust hardware monitoring solutions. Its compliance with international regulations and high moisture sensitivity level further enhance its suitability for diverse operational environments.

LM81BIMTX-3 Documents

Download datasheets and manufacturer documentation for LM81BIMTX-3

Datasheets :

LM81      

HTML Datasheet :

LM81      

PCN Design/Specification :

TSSOP Pkg Cu Wire 23/Jul/2013