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| 型号： | MPC852TVR100A |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 3/80页 |
| 文件大小： | 0K |
| 描述： | IC MPU POWERQUICC 100MHZ 256PBGA |
| 标准包装： | 60 |
| 系列： | MPC8xx |
| 处理器类型： | 32-位 MPC8xx PowerQUICC |
| 速度： | 100MHz |
| 电压： | 1.8V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 256-BGA |
| 供应商设备封装： | 256-PBGA（23x23） |
| 包装： | 托盘 |
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MPC852T PowerQUICC Hardware Specifications, Rev. 4
Freescale Semiconductor
11
References
If the board temperature is known and the heat loss from the package case to the air can be ignored,
acceptable predictions of junction temperature can be made. For this method to work, the board and board
mounting must be similar to the test board used to determine the junction-to-board thermal resistance,
namely a 2s2p (board with a power and a ground plane) and vias attaching the thermal balls to the ground
plane.
7.4
Estimation Using Simulation
When the board temperature is not known, a thermal simulation of the application is needed. The simple
two-resistor model can be used with the thermal simulation of the application [2], or a more accurate and
complex model of the package can be used in the thermal simulation.
7.5
Experimental Determination
To determine the junction temperature of the device in the application after prototypes are available, the
thermal characterization parameter (
ΨJT) 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:
ΨJT = thermal characterization parameter
TT = thermocouple temperature on top of package
PD = power dissipation in package
The thermal characterization parameter is measured per JESD51-2 specification published by JEDEC
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 that cooling effects
of the thermocouple wire cause.
8
References
Semiconductor Equipment and Materials International (415) 964-5111
805 East Middlefield Rd
Mountain View, CA 94043
MIL-SPEC and EIA/JESD (JEDEC) specifications
800-854-7179 or
(Available from Global Engineering documents)
303-397-7956
JEDEC Specifications
http://www.jedec.org
1. C.E. Triplett and B. Joiner, “An Experimental Characterization of a 272 PBGA Within an
Automotive Engine Controller Module,” Proceedings of SemiTherm, San Diego, 1998, pp. 47–54.
2. B. Joiner and V. Adams, “Measurement and Simulation of Junction to Board Thermal Resistance
and Its Application in Thermal Modeling,” Proceedings of SemiTherm, San Diego, 1999,
pp. 212–220.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MPC852TVR100A | 制造商:Freescale Semiconductor 功能描述:IC COMMUNICATIONS CONTROLLER CMOS BGA |
| MPC852TVR50 | 制造商:Freescale Semiconductor 功能描述: |
| MPC852TVR50A | 功能描述:微处理器 - MPU Ethernet 50 MHz RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| MPC852TVR66 | 功能描述:IC MPU POWERQUICC 66MHZ 256-PBGA RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微处理器 系列:MPC8xx 标准包装:2 系列:MPC8xx 处理器类型:32-位 MPC8xx PowerQUICC 特点:- 速度:133MHz 电压:3.3V 安装类型:表面贴装 封装/外壳:357-BBGA 供应商设备封装:357-PBGA（25x25） 包装:托盘 |
| MPC852TVR66A | 功能描述:微处理器 - MPU Ethernet 66 MHz RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
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