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Forum Post: Comments on how hot TI's TMS320C6657 DSP gets (Power Consumption)

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Hello, I am planning on using one TMS320C6657 on my next design. I'm expecting to use the following configuration:

Operating Frequency: 800-Mhz
DDR3 Disabled
SRIO Enabled: 1 Lane, Mode DIO, % Utilization 50
EMAC 1Gbe: % Utilization 50
Hyperlink Disabled
McBSP Not sure if I need it
PCIe: Disabled
SPI: Enabled
UART: Enabled
MSMC: not sure if I need
Navigator: not sure
EMIF 16: Enabled
UPP: Enabled
VCP2: Disabled
TCP3d: Disabled

CorePac 0: Enabled: % SP Utilized 50, % CC Utilized 50
CorePac 1: not expecting to use CorePac 2

The Power Estimation Spreadsheet calculated 2.5W.

I want to use the least amount of power and add  a sufficient heat sink to keep the Case cool and the power consumption low.

Can anyone comment on how hot I should expect the device to get base on this configuration? Please share any comments you might have.

Thanks,
joe

 

 


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