Tool/software:
We have completed the first level of RE CE testing of this AM6254 based EVT Board [ACM Device]. We got the negative result of these RE and CE tests. And as per report analysis we suspect that below parts can be the reason for this test failure.
1. Switcher 3V3
MPN:-TPS54424RNV
Mfr:- Texas Instrument
Sch Ref des:- U5
Test setup:-
| 1. CE Test Results | ||||||||||||
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--> LAN1 & LAN2 CE Test POE SUPPLY MOE
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| Test | Standard | Test Mode | Result | Remarks | ||||||||
| LAN1 [POE SUPPLY] |
Limit: CLASS- B
Frequency: 150 KHz to 30 MHz |
--> POE SUPPLY Mode
Interface:- LAN1, LAN2, USB, eMMC, RTC, Temp, IR |
FAIL | LAN1_CE_POE_SUPPLY_WITH_COMN-14092024 | ||||||||
| LAN2 [POE SUPPLY] | FAIL | LAN2_CE_POE_SUPPLY_WITH_COMN-14092024 | ||||||||||
| 2. RE Test Results | ||||||||||||
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-->RE Test POE SUPPLY MOE
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| Test | Standard | Test Mode | Result | Remarks | ||||||||
|
RE [POE SUPPLY]
|
Limit: CLASS- B Frequency: 30mhz To 1ghz |
--> POE SUPPLY Mode
Interface:- LAN1, LAN2, USB, eMMC, RTC, Temp, IR |
FAIL | RE_POE SUPPLY RE-30 TO 1ghz -14.09.2024 | ||||||||
| Limit: CLASS- B Frequency: 1ghz to 6ghz |
PASS | RE_POE SUPPLY_RE-1 TO 6ghz -14.09.2024 | ||||||||||
We have attached the RE & CE report and schematic design of our ACM Boards so please check and share your suggestions like what changes we should make for these components to pass this RE & CE test.
7178.RE_POE SUPPLY RE-30 TO 1ghz -14.09.2024.Pdf7178.LAN1_CE_POE_SUPPLY_WITH_COMN-14092024.Pdf2783.LAN2_CE_POE_SUPPLY_WITH_COMN-14092024.Pdf
