LM81BIMT-3/NOPB

Series:	--
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Function:	Hardware Monitor
Sensor Type:	Internal and External
Sensing Temperature:	-40°C ~ 125°C
Accuracy:	±3°C(Max)
Topology:	ADC (Sigma Delta), Comparator, Fan Speed Control, Register Bank
Output Type:	2-Wire SMBus
Output Alarm:	Yes
Output Fan:	Yes
Voltage - Supply:	2.8 V ~ 3.8 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	24-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	24-TSSOP
Base Part Number:	LM81

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Introduction to PMIC - Thermal ManagementPower Management Integrated Circuit (PMIC) is a technology used to manage energy flow in integrated systems. It is a specialized type of semiconductor device that monitors, regulates and controls different aspects of power utilization in a system. Thermal Management is a subset of PMIC which deals with the thermal aspects of a system, such as heat transfer and cooling. In such systems, the PMIC helps to increase system efficiency by monitoring and managing temperature, thermal flux and air flow.Application Field and Working Principle of LM81BIMT-3/NOPBThe LM81BIMT-3/NOPB is a low-power microcontroller-controlled temperature monitoring and control integrated circuit (IC) manufactured by Texas Instruments. It is designed to monitor thermal conditions and to control the output of distributed thermal devices, such as fans, heat sinks, and cooling devices.The application field of the LM81BIMT-3/NOPB is suitable for monitoring temperature in environments receiving high stress, such as gaming consoles and computers. Its thermal sensing range is from -40°C to +125°C, making it ideal for managing high load operations with minimal user intervention.The LM81BIMT-3/NOPB works by using a high precision thermal sensor which detects the temperature. This sensor is connected to the microcontroller which is programmed to monitor and record the temperature as well as drive a control output when the temperature exceeds a predefined threshold.In order to ensure that the system is operating within the predetermined temperature range, the LM81BIMT-3/NOPB also monitors the fan speed and air flow rate. This allows the system to adequately adjust the cooling capacity to meet the operating temperature.The LM81BIMT-3/NOPB also features an alarm system which will provide visual and audible warnings to indicate a failure in the system. The alarm system is designed to inform the user that the temperature has exceeded the safe limit and prevent system damage due to excessive heat in the environment.ConclusionThe LM81BIMT-3/NOPB is a powerful and reliable thermal management IC suitable for use in systems that require reliable temperature monitoring and control. With its wide temperature sensing range, intelligent control interface and alarm system, the LM81BIMT-3/NOPB is an ideal choice for applications where temperature management is critical.

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