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LM63

Application· Computer Processor Thermal Management (Laptop, Desktop, Workstations, Servers)·Graphics Processor Thermal Management·Electronic Test Equipment·Projectors·Office Equipment·Industrial ControlsPinoutSpecifications Temp Resolution 11-bit/0.125degC Remote Diode Thermal Sensors 1 ...

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SeekIC No. : 004396069 Detail

LM63: Application· Computer Processor Thermal Management (Laptop, Desktop, Workstations, Servers)·Graphics Processor Thermal Management·Electronic Test Equipment·Projectors·Office Equipment·Industrial Con...

LM63 Data Sheet

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Part Number:
LM63
Supply Ability:
5000

Price Break

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

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Product Details

Description



Application

· Computer Processor Thermal Management (Laptop, Desktop, Workstations, Servers)
·Graphics Processor Thermal Management
·Electronic Test Equipment
·Projectors
·Office Equipment
·Industrial Controls




Pinout

Connection Diagram




Specifications

Temp Resolution 11-bit/0.125degC
Remote Diode Thermal Sensors 1
TruTherm(TM) Beta Compensation No
Analog Inputs Undefined
ADC Resolution Undefined bits
Fan Speed Inputs 1
Fan Control Output(s) 1 PWM
Fan Control Method Lookup Table
VID Inputs Undefined
Dynamic VID VCCP Monitoring Undefined
Bidirectional PROCHOT Support Undefined
GPIOs Undefined
Interrupt Outputs 1
Reference Voltage Undefined
Temperature Accuracy (+/-) 1 deg C
Temperature Min 0 deg C
Temperature Max 125 deg C
Interface Type SMBus
Supply Min 3 Volt
Supply Max 3.6 Volt
Quiescent Current 1.3 mA
Resolution 11 bits
Temperature Accuracy (+/-) 1 deg C
Automotive Selection Guide Yes
PowerWise Yes
View Using Catalog


Supply Voltage, VDD −0.3 V to 6.0 V
Voltage on SMBDAT, SMBCLK,ALERT /Tach, PWM Pins −0.5 V to 6.0 V
Voltage on Other Pins −0.3 V to (VDD + 0. 3 V)
Input Current, D− Pin ±1 mA
Input Current at All Other Pins (Note 3) 5 mA
Package Input Current (Note 3) 30 mA
Package Power Dissipation (Note 5)
SMBDAT,ALERT , PWM pins
Output Sink Current 10 mA
Storage Temperature −65 to +150




Description

The LM63 is a remote diode temperature sensor with integrated fan control. The LM63 accurately measures: (1) its own temperature and (2) the temperature of a diode-connected transistor, such as a 2N3904, or a thermal diode commonly found on Computer Processors, Graphics Processor Units (GPU) and other ASIC's. The LM63 remote temperature sensor's accuracy is factory trimmed for the series resistance and 1.0021 non-ideality of the Intel® 0.13 µm Pentium® 4 and Mobile Pentium™ 4 Processor-M thermal diode. The LM63 has an offset register to correct for errors caused by different non-ideality factors of other thermal diodes. For the latest information contact hardware.monitor.team@nsc.com.

The LM63 also features an integrated, pulse-width-modulated (PWM), open-drain fan control output. Fan speed is a combination of the remote temperature reading, the lookup table and the register settings. The 8-step Lookup Table enables the user to program a non-linear fan speed vs. temperature transfer function often used to quiet acoustic fan noise.

Reliability Metrics

Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
LM63CIMA CMOS7 0 16561 0 0 954000 4 270700104
LM63CIMAX CMOS7 0 16561 0 0 954000 4 270700104
LM63DIMA CMOS7 0 16561 0 0 954000 4 270700104
LM63DIMAX CMOS7 0 16561 0 0 954000 4 270700104

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.


Design Tools

Title Size in Kbytes Date
SensorEval Software for Thermal Mangement Products 6 Kbytes 15-May-2008 View

If you have trouble printing or viewing PDF file(s), see Printing Problems.






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