參數(shù)資料
型號: MPC8569VTAUNLA
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: RISC PROCESSOR, PBGA783
封裝: 29 X 29 MM, 1 MM PITCH, PLASTIC, BGA-783
文件頁數(shù): 23/126頁
文件大?。?/td> 2847K
代理商: MPC8569VTAUNLA
Thermal Management Information
MPC8569E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 0
Freescale Semiconductor
119
3.3
Thermal Management Information
This section provides thermal management information for the flip chip plastic ball grid array (FC-PBGA) package for
air-cooled applications. Proper thermal control design is primarily dependent on the system-level design—the heat sink, airflow,
and thermal interface material.
The recommended attachment method to the heat sink is illustrated in the following figure. The heat sink must be attached to
the printed-circuit board with the spring force centered over the package. This spring force should not exceed 10 pounds force
(45 Newtons).
Figure 73. Package Exploded Cross-Sectional View
The system board designer can choose among several types of commercially-available heat sinks to determine the appropriate
one to place on the device. Ultimately, the final selection of an appropriate heat sink depends on factors such as thermal
performance at a given air velocity, spatial volume, mass, attachment method, assembly, and cost.
3.3.1
Internal Package Conduction Resistance
For the package, the intrinsic internal conduction thermal resistance paths are as follows:
The die junction-to-case thermal resistance
The die junction-to-board thermal resistance
Adhesive or
Heat Sink
FC-PBGA Package
Heat Sink
Clip
Printed-Circuit Board
Thermal Interface Material
Die
Die Lid
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