參數(shù)資料
型號(hào)： MPC8560CPXALFB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 667 MHz, RISC PROCESSOR, PBGA783
封裝： 29 X 29 MM, 3.75 MM HEIGHT, 1 MM PITCH, FLIP CHIP, PLASTIC, BGA-783
文件頁數(shù)： 97/108頁
文件大小： 2170K
代理商： MPC8560CPXALFB
MPC8560 Integrated Processor Hardware Specifications, Rev. 3.1
Freescale Semiconductor
89
Thermal
Ultimately, the final selection of an appropriate heat sink depends on many factors, such as thermal performance at
a given air velocity, spatial volume, mass, attachment method, assembly, and cost. Several heat sinks offered by
Aavid Thermalloy, Alpha Novatech, IERC, Chip Coolers, Millennium Electronics, and Wakefield Engineering offer
different heat sink-to-ambient thermal resistances, that will allow the MPC8560 to function in various environments.
16.2.1 Recommended Thermal Model
For system thermal modeling, the MPC8560 thermal model is shown in Figure 52. Five cuboids are used to
represent this device. To simplify the model, the solder balls and substrate are modeled as a single block 29x29x1.47
mm with the conductivity adjusted accordingly. For modeling, the planar dimensions of the die are rounded to the
nearest mm, so the die is modeled as 10x12 mm at a thickness of 0.76 mm. The bump/underfill layer is modeled as
a collapsed resistance between the die and substrate assuming a conductivity of 0.6 in-plane and 1.9 W/mK in the
thickness dimension of 0.76 mm. The lid attach adhesive is also modeled as a collapsed resistance with dimensions
of 10x12x0.050 mm and the conductivity of 1 W/mK. The nickel plated copper lid is modeled as 12x14x1 mm.
Note that the die and lid are not centered on the substrate; there is a 1.5 mm offset documented in the case outline
drawing in Figure 50.
Figure 52. MPC8560 Thermal Model
Die
Lid
Substrate and solder balls
Heat Source
Substrate
Side View of Model (Not to Scale)
Top View of Model (Not to Scale)
x
y
z
Conductivity
Value
Unit
Lid
(12
× 14 × 1 mm)
kx
360
W/(m
× K)
ky
360
kz
360
Lid Adhesive—Collapsed resistance
(10
× 12 × 0.050 mm)
kx
1
ky
1
kz
1
Die
(10
× 12 × 0.76 mm)
Bump/Underfill—Collapsed resistance
(10
× 12 × 0.070 mm)
kx
0.6
ky
0.6
kz
1.9
Substrate and Solder Balls
(29
× 29 × 1.47 mm)
kx
10.2
ky
10.2
kz
1.6
Adhesive
Bump/underfill
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MPC8560PX667LB 功能描述:微處理器 - MPU PQ 3 8560-DRACOM RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
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