Intel 5100 manual Reliability Guidelines, Thermal Solution Performance Characteristics

Page 30

Intel® 5100 MCH Chipset

6.2.2Thermal Solution Performance Characteristics

Figure 22 shows the performance of the CompactPCI* reference heatsink. This figure shows the thermal performance of the heatsink versus the airflow approach velocity provided.

Figure 22. CompactPCI* Reference Heatsink Thermal Performance

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

Parameter

 

3.5

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

Characterization

 

2.5

 

 

 

 

 

 

 

 

 

 

 

 

C/W)

2

 

 

 

 

 

 

 

 

 

 

 

 

o

 

 

 

 

 

 

 

 

 

 

 

 

(

 

 

 

 

 

 

 

 

 

 

 

 

Thermal

ca

 

 

 

 

 

 

 

 

 

 

 

 

 

Ψ

1.5

 

 

 

 

 

 

CompactPCI* Heatsink

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-To-Ambient

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

0.5

 

 

 

 

 

 

 

 

 

 

 

 

Case

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

100

200

300

400

500

600

700

800

900

1000

1100

1200

Airflow Approach Velocity (LFM)

7.0Reliability Guidelines

Each motherboard, heatsink, and attach combination may vary the mechanical loading of the component. The user should carefully evaluate the reliability of the completed assembly prior to use in high volume. Some general recommendations are shown in Table 8.

Table 8.

Reliability Requirements

 

 

 

 

 

Test1

 

Requirement

Pass/Fail Criteria2

Mechanical Shock

50 g, board level, 11 ms, three shocks/axis

Visual Check and Electrical Functional Test

 

 

 

Random Vibration

7.3 g, board level, 45 minutes/axis, 50 Hz to 2000 Hz

Visual Check and Electrical Functional Test

 

 

 

 

Temperature Life

 

85 °C, 2000 hours total, checkpoints at 168, 500, 1000,

Visual Check

 

and 2000 hours

 

 

 

 

 

 

 

Thermal Cycling

 

-5 °C to +70 °C, 500 cycles

Visual Check

 

 

 

 

Humidity

 

85% relative humidity, 55 °C, 1000 hours

Visual Check

 

 

 

 

Notes:

1.The above tests should be performed on a sample size of at least 12 assemblies from three lots of material.

2.Additional pass/fail criteria may be added at the discretion of the user.

Intel® 5100 Memory Controller Hub Chipset for Communications, Embedded, and Storage Applications

TDG

July 2008

30

Order Number: 318676-003US

Image 30
Contents Thermal/Mechanical Design Guide Revision 003USTDG Contents Figures TablesRevision History Revision Number DescriptionsDate Revision Description Introduction Design FlowDefinition of Terms Definition of TermsTerm Definition Related Documents Related Documents Sheet 1Document Document Number/URL Packaging Technology Thermal SimulationRelated Documents Sheet 2 MCH Package Dimensions Top View MCH Package Dimensions Side ViewMCH Package Dimensions Bottom View Package Mechanical RequirementsThermal Design Power TDP Thermal SpecificationsThermal Solution Requirements Case TemperatureProcessor Thermal Characterization Parameter Relationships Example 1. Calculating the Required Thermal Performance105 Supporting Test Equipment Thermal MetrologyMCH Case Measurement Required Heatsink Thermal Performance Ψ CAThermal Calibration and Controls IHS GrooveThermocouple Attach Support Equipment IHS Groove Dimensions Thermocouple Conditioning and Preparation Thermocouple Attachment to IHSSecuring Thermocouple Wires with Kapton Tape Prior to Attach Thermocouple Bead Placement Using 3D Micromanipulator to Secure Bead Location Curing Process Applying Adhesive on Thermocouple BeadThermocouple Wire Management Thermocouple Wire Management in GrooveReference Thermal Solution Power Simulation SoftwareAdvancedTCA* Reference Heatsink Thermal PerformanceMechanical Design Envelope Board-level Components Keepout Dimensions Torsional Clip Heatsink Thermal Solution Assembly Mechanical Interface Material Heatsink Orientation Extruded Heatsink Profiles Thermal Interface MaterialHeatsink Clip Clip Retention AnchorsReliability Guidelines Reliability Guidelines CompactPCI* Reference HeatsinkComponent Overview Test Requirement Pass/Fail CriteriaThermal Solution Performance Characteristics Reliability GuidelinesReliability Requirements Appendix a Mechanical Drawings Mechanical Drawing ListDrawing Description AdvancedTCA* Heatsink Assembly Drawing AdvancedTCA* Heatsink Drawing AdvancedTCA* Component Keepout Zone CompactPCI* Heatsink Assembly Drawing CompactPCI* Heatsink Drawing CompactPCI* Component Keepout Zone Torsional Clip Heatsink Clip Drawing TIM2 Drawing Appendix B Thermal Solution Component Suppliers MCH Torsional Clip Heatsink Thermal Solution