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Product Detailed Parameters
- Description：IC REMOTE THERMAL CTRLR 16QSOP
- Series：dBCool®
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Function：Fan Control, Temp Monitor
- Sensor Type：Internal and External
- Sensing Temperature：-40°C ~ 125°C, External Sensor
- Accuracy：±1.5°C(Max)
- Topology：ADC, Comparator, Fan Speed Counter, Multiplexer, Register Bank
- Output Type：SMBus
- Output Alarm：No
- Output Fan：Yes
- Voltage - Supply：3V ~ 3.6V
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：16-SSOP (0.154", 3.90mm Width)
- Supplier Device Package：16-QSOP
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Overview
The ADT7475ARQZ-REEL7 is a remote thermal monitor and fan controller manufactured by onsemi. It operates within a supply voltage range of 3V to 3.6V and supports an SMBus digital output interface. The device features internal and external temperature sensing capabilities, with a specified operating temperature range from -40°C to +125°C. It is housed in a 16-lead QSOP package and provides fan control functionality alongside thermal monitoring.
Feature Summary
- Integrates remote thermal monitoring with integrated fan control logic for system cooling management.
- Supports SMBus digital communication interface for data exchange and configuration.
- Capable of monitoring both internal die temperature and external sensor inputs.
Applications
- Server and workstation thermal management systems
- Industrial equipment requiring remote temperature monitoring
- Communication infrastructure hardware cooling control
Procurement Notes
Verify the specific suffix REEL7 against current manufacturer documentation to confirm packaging and tape specifications. Confirm component availability status as distribution channels may list obsolete or limited stock items. Ensure compatibility with existing SMBbus protocols and voltage levels before integration into final designs.
Selection Notes
Select this component when a combined solution for remote temperature sensing and active fan speed regulation is required. Verify that the 3V to 3.6V supply voltage aligns with the target system power rails. Consider the 16-lead QSOP package dimensions for PCB layout constraints and ensure the operating temperature range meets environmental requirements.
Part Context
This part belongs to the dBCool family of remote thermal monitors and fan controllers originally developed by Analog Devices and later acquired by onsemi. The series is designed for applications requiring precise thermal management through digital interfaces. The ADT7475 variant specifically addresses needs for multi-zone monitoring and fan actuation in compact form factors.
Replacement Considerations
Check for direct cross-reference part numbers such as ADT7475ARMZ or variants with different reel suffixes from onsemi or Analog Devices. Verify pinout compatibility and software register mapping if substituting with other members of the ADT74xx series.
