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| 型號： | MPC8360EZUALFG |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 96/102頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MPU PWRQUICC II 740-TBGA |
| 標準包裝： | 21 |
| 系列： | MPC83xx |
| 處理器類型： | 32-位 MPC83xx PowerQUICC II Pro |
| 速度： | 667MHz |
| 電壓： | 1.3V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 740-LBGA |
| 供應(yīng)商設(shè)備封裝： | 740-TBGA（37.5x37.5） |
| 包裝： | 托盤 |
| 配用： | MPC8360EA-MDS-PB-ND - KIT APPLICATION DEV 8360 SYSTEM MPC8360E-RDK-ND - BOARD REFERENCE DESIGN FOR MPC |
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MPC8360E/MPC8358E PowerQUICC II Pro Processor Revision 2.x TBGA Silicon Hardware Specifications, Rev. 5
Freescale Semiconductor
93
Thermal Management Information
TJ = TB + (RθJB × PD)
where:
TJ = junction temperature (° C)
TB = board temperature at the package perimeter (° C)
RθJA = junction to board thermal resistance (° C/W) per JESD51-8
PD = power dissipation in the package (W)
When the heat loss from the package case to the air can be ignored, acceptable predictions of junction temperature can be made.
The application board should be similar to the thermal test condition: the component is soldered to a board with internal planes.
22.2.3
Experimental Determination of Junction Temperature
To determine the junction temperature of the device in the application after prototypes are available, the Thermal
Characterization Parameter (
Ψ
JT) can be used to determine the junction temperature with a measurement of the temperature at
the top center of the package case using the following equation:
TJ = TT + (ΨJT × PD)
where:
TJ = junction temperature (° C)
TT = thermocouple temperature on top of package (° C)
Ψ
JT = junction-to-ambient thermal resistance (° C/W)
PD = power dissipation in the package (W)
The thermal characterization parameter is measured per JESD51-2 specification using a 40 gauge type T thermocouple epoxied
to the top center of the package case. The thermocouple should be positioned so that the thermocouple junction rests on the
package. A small amount of epoxy is placed over the thermocouple junction and over about 1 mm of wire extending from the
junction. The thermocouple wire is placed flat against the package case to avoid measurement errors caused by cooling effects
of the thermocouple wire.
22.2.4
Heat Sinks and Junction-to-Ambient Thermal Resistance
In some application environments, a heat sink is required to provide the necessary thermal management of the device. When a
heat sink is used, the thermal resistance is expressed as the sum of a junction to case thermal resistance and a case to ambient
thermal resistance:
RθJA = RθJC + RθCA
where:
RθJA = junction-to-ambient thermal resistance (° C/W)
RθJC = junction-to-case thermal resistance (° C/W)
RθCA = case-to-ambient thermal resistance (° C/W)
RθJC is device related and cannot be influenced by the user. The user controls the thermal environment to change the
case-to-ambient thermal resistance, RθCA. For instance, the user can change the size of the heat sink, the airflow around the
device, the interface material, the mounting arrangement on printed-circuit board, or change the thermal dissipation on the
printed-circuit board surrounding the device.
To illustrate the thermal performance of the devices with heat sinks, the thermal performance has been simulated with a few
commercially available heat sinks. The heat sink choice is determined by the application environment (temperature, airflow,
adjacent component power dissipation) and the physical space available. Because there is not a standard application
environment, a standard heat sink is not required.
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| MPC8360EZUALFGA | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC II Pro Processor Revision 2.x TBGA Silicon Hardware Specifications |
| MPC8360EZUALFH | 功能描述:微處理器 - MPU 8360 TBGA ENCRP 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 最大時鐘頻率:536 MHz 程序存儲器大小: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 |
| MPC8360EZUALFHA | 功能描述:微處理器 - MPU 8360 TBGA ENCRP 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 最大時鐘頻率:536 MHz 程序存儲器大小: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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