Other Parts Discussed in Thread: TMDSEVM6657
工程师您好!
请问各个所需电压的电流/功耗要求是多少,想确认一下电源设计。手册里没看到具体的描述,请问哪里具体是多少呢?
感谢!
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工程师您好!
请问各个所需电压的电流/功耗要求是多少,想确认一下电源设计。手册里没看到具体的描述,请问哪里具体是多少呢?
感谢!
请下载tms320c6657的功耗表查看:
https://www.ti.com.cn/cn/lit/zip/sprm600
https://www.ti.com.cn/cn/lit/an/sprabi5b/sprabi5b.pdf
2 Power Supplies
Nancy 感谢回复!
“6657_Power_Spreadsheet_Version_1_8.xlsm”填如下列信息,SP80%,CC 20%,那其实CVDD1的电流需求是很低的;看开发板TMDSEVM6657留了1.1A,有点惊讶;目前提供一个800mA供CVDD1应该是绰绰有余了吧,烦请确认下,感谢!
| CorePacs | Frequency | % SP Util | % CC Util | ||
| CorePac 0 | 1000 | 80 | 20 | ||
| CorePac 1 | 80 | 20 |
| Module | CVDD (mA) | CVDD1 (mA) | DVDD15 (mA) | DVDD18 (mA) | Total (mA) |
| CorePacs | |||||
| CorePac 0 | 770.53 | 4.24 | - | - | 774.76 |
| CorePac 1 | 770.53 | 4.24 | - | - | 774.76 |