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LM85BIMQX is listed in the Thermal Management range at ChipApex. The manufacturer field lists National Semiconductor. Its product description is ANALOG CIRCUIT, 1 FUNC, PDSO24. Review the specifications below when checking this part for your BOM.
Thermal Management specifications for LM85BIMQX
- Description：ANALOG CIRCUIT, 1 FUNC, PDSO24
- Series：LM85
- Mfr：National Semiconductor
- Package：Bulk
- Function：Fan Control, Hardware Monitor
- Sensor Type：Internal and External
- Sensing Temperature：0°C ~ 125°C
- Accuracy：±3°C Local(Max), ±4°C Remote(Max)
- Topology：ADC, Fan Control, Register Bank
- Output Type：SMBus
- Output Alarm：No
- Output Fan：Yes
- Voltage - Supply：3V ~ 3.6V
- Operating Temperature：0°C ~ 85°C (TA)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：24-SSOP (0.154", 3.90mm Width)
- Supplier Device Package：24-QSOP
Thermal Management datasheet and documents for LM85BIMQX
Thermal Management Overview
The LM85BIMQX is a hardware monitor integrated circuit manufactured by National Semiconductor, now part of Texas Instruments. It features an integrated fan control loop for thermal management. The device monitors system voltages and temperatures to ensure operational stability. It supports serial communication via the SMBus interface for configuration and data retrieval. The component is designed for server and workstation applications requiring precise hardware monitoring.
Thermal Management Feature Summary
- Integrated PI loop fan control for active cooling management
- SMBus compatible serial interface for system communication
- Hardware monitoring capabilities for voltage and temperature
Thermal Management Applications
- Server management systems
- Workstation thermal monitoring
- Industrial hardware monitoring
Thermal Management Procurement Notes
Verify the manufacturer source carefully as National Semiconductor was acquired by Texas Instruments. Confirm the specific suffix 'QX' indicates the correct tape and reel packaging variant. Ensure the datasheet version matches the required revision history for compatibility with existing system designs.
Thermal Management Selection Notes
Select this component when a dedicated hardware monitor with integrated fan control is required. It is suitable for designs needing SMBus connectivity for remote monitoring. Consider the operating temperature range and package type relative to the board layout constraints.
Thermal Management Part Context
This part belongs to the LM85 series of hardware monitors. The series includes variants like LM93 and LM94 with similar functionalities but different feature sets. The LM85 provides a cost-effective solution for basic thermal and voltage monitoring in standard computing environments.
Thermal Management Replacement Considerations
Check for direct substitutes within the LM85 family or the LM9x series from Texas Instruments. Verify pinout compatibility before replacing with other hardware monitor ICs.
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