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1.请问CVDD的电流是多少? 我看这个Exel上面有2个,activity和baseline,请问baseline代表什么? 像这样子的话,我的CVDD需要多大电流的电源供电?
2.我看电流比较大,请问有相关简单的电源方案推荐吗? 我们想要是配LM10011,EVM上面的电源有点太复杂了。 最好是电源模块的方式。
baseline是由漏电流,静电流导致的,调整芯片的工作温度时这部分功耗会有改变。
Baseline power consumption is the power consumed that is independent of chip activity, such as:
• Static leakage power
• Core power
– Clock tree
– Internal memory
– On-chip module
power Baseline power is highly dependent on voltage, temperature, and DSP/ARM® frequency.
功耗要考虑baseline+acitvity,所以图中最大电流参考TOTALS这一项。
请看下面的hardware design guide说明。
2. Power Supplies
https://www.ti.com/lit/an/sprabi2d/sprabi2d.pdf
下面的参考设计用到了LM10011芯片。
https://www.ti.com/tool/TIDEP0011
请到电源论坛咨询,换一个更大的转换芯片。
https://e2echina.ti.com/support/power-management/f/power-management-forum