TCM1617

Features: ` Includes Internal External Sensing Capability` Outputs Temperature as 8-Bit Digital Word` Solid State Temperature Sensing; 1 Resolution` 3.0 5.5V Operating Range` Independent Internal and External Threshold Set-Points With ALERT# Interrupt Output` SMBus 2-Wire Serial Interface` ...

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SeekIC No. : 004515591 Detail

TCM1617: Features: ` Includes Internal External Sensing Capability` Outputs Temperature as 8-Bit Digital Word` Solid State Temperature Sensing; 1 Resolution` 3.0 5.5V Operating Range` Independent Inter...

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Part Number:
TCM1617
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/10/30

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Product Details

Description



Features:

` Includes Internal External Sensing Capability
` Outputs Temperature as 8-Bit Digital Word
` Solid State Temperature Sensing; 1 Resolution
` 3.0 5.5V Operating Range
` Independent Internal and External Threshold Set-Points With ALERT# Interrupt Output
` SMBus 2-Wire Serial Interface
` Up To Nine TCM1617s May Share the Same Bus
` Standby Mode for Low Standby Power
` Low Power............................70A (max) Operating
   ...................................... 10A (max) Standby Mode
` 16-Pin Plastic QSOP Package




Application

` Thermal Protection For Intel "Deschutes" Pentium II™ and Other High Performance CPUs with Integrated On-Board Diode - No Sensor Mounting Problems!
` Accurate Thermal Sensing From Any Si Junction Diode
` Thermal Management in Electronic Systems: Computers, Network Equipment, Power Supplies




Pinout

  Connection Diagram


Specifications

Power Supply Voltage (VDD) .........................................6V
Voltage On Any Pin ............ (GND 0.3V) to (VDD + 0.3V)
Operating Temperature (TA) .................. 55 to +125
Storage Temperature (TSTG) .................. 65 to +150
SMBus Input/Output Current ................ 1 mA to +50 mA
D Input Current.....................................................±1 mA
Max. Power Dissipation........................................330 mW

*Static-sensitive device. Unused devices must be stored in conductive material. Protect devices from static discharge and static fields. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied.

Exposure to Absolute Maximum Rating Conditions for extended periods may affect device reliability.




Description

The TCM1617 is a serially programmable temperature sensor optimized for monitoring modern high performance CPUs with on-board integrated thermal diodes. Temperature data is converted from the CPU's thermal diode outputs and made available as an 8-Bit digital word.

Communication with the TCM1617 is accomplished via the standard System Management Bus (SMBus) commonly used in modern computer systems. This permits reading the current internal/external temperature, programming the threshold setpoints, and configuring the device. Additionally, an interrupt is generated on the ALERT# pin when temperature moves outside the preset threshold windows in either direction.

A Standby command may be sent via the SMBus by signaling the STBY# input to activate the low-power tandby mode. Registers can be accessed while in Standby mode.

Address selection inputs allow up to nine TCM1617s to share the same 2-wire SMBus for multi-zone monitoring.

All registers can be read by the host, and both polled and interrupt driven systems are easily accommodated. Small size, low installed cost, and ease of use make the TCM1617 an ideal choice for implementing sophisticated system management schemes, such as ACPI.




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