MIC280

Features: * Measures local and remote temperature* Highly accurate remote sensing ±1°C max., 60°C to 100°C* Superior noise immunity for reduced temperature guardbands* 9-bit to 12-bit temperature resolution for remote zone* Fault queues to further reduce nuisance tripping* Programmable high, low, ...

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SeekIC No. : 004420846 Detail

MIC280: Features: * Measures local and remote temperature* Highly accurate remote sensing ±1°C max., 60°C to 100°C* Superior noise immunity for reduced temperature guardbands* 9-bit to 12-bit temperature re...

floor Price/Ceiling Price

Part Number:
MIC280
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: 2024/11/26

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Product Details

Description



Features:

* Measures local and remote temperature
* Highly accurate remote sensing
±1°C max., 60°C to 100°C
* Superior noise immunity for reduced temperature guard
bands
* 9-bit to 12-bit temperature resolution for remote zone
* Fault queues to further reduce nuisance tripping
* Programmable high, low, and over-temperature thresh-
olds for each zone
* SMBus 2 compatible serial interface including device
timeout to prevent bus lockup
* Voltage tolerant I/O's
* Open-drain interrupt output pin - supports SMBus Alert
Response Address protocol
* Low power shutdown mode
* Locking of critical functions to insure failsafe operation
* Failsafe response to diode faults
* Enables ACPI compliant thermal management
* 3.0V to 3.6V power supply range
* IttyBitty(TM) SOT23-6 package





Application

* Desktop, server and notebook computers
* Printers and copiers
* Test and measurement equipment
* Thermal supervision of Xilinx Virtex FPGA's
* Wireless/RF systems
* Intelligent power supplies
* Datacom/telecom cards





Specifications

Power Supply Voltage, VDD ..........................................3.8V
Voltage on T1 ........................................0.3V to VDD +0.3V
Voltage on CLK, DATA, /INT ..............................0.3V to 6V
Current Into Any Pin .................................................±10mA
Power Dissipation, T A= 125°C ................................109mW
Storage Temperature ..........................65°C to +150°C
ESD Ratings, Note 3
Human Body Model ................................................1.5kV

Machine Model ........................................................200V
Soldering (SOT23-6 Package)
Vapor Phase (60s) .................................220°C +5/-0°C
Infrared (15s) ........................................235°C +5/-0°C





Description

The MIC280 is a digital thermal supervisor capable of measuring its own internal temperature and that of a remote PN junction. The remote junction of MIC280 may be an inexpensive commodity transistor, e.g., 2N3906, or an embedded thermal diode such as found in Intel Pentium* II/III/IV CPUs, AMD Athlon* CPUs, and Xilinx Virtex* FPGA's. A 2-wire SMBus* 2.0 compatible serial interface is provided for host communication. Remote temperature is measured with ±1°C accuracy and 9-bit to 12-bit resolution (programmable). Independent high, low, and over-temperature thresholds are provided for each zone.

The advanced integrating A/D converter and analog front-end reduce errors due to noise for maximum accuracy and minimum guardbanding. The interrupt output signals temperature events to the host, including data-ready and diode faults. Critical device settings can be locked to prevent changes and insure failsafe operation. The clock, data, and interrupt pins are 5V-tolerant regardless of the value of VDD. They will not clamp the bus lines low even if the MIC280 is powered down. Superior accuracy, failsafe operation, and small size make the MIC280 an excellent choice for the most demanding thermal management applications.






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