Part Number: AM625
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.
CE Test Failure,
Below component can be the reason for CE failure.
1. PD Controller
MPN:- TPS23753APW
Mfr:- Texas Instrument
Sch Ref des:- U1
2. Switcher 3V3
MPN:-TPS54424RNV
Mfr:- Texas Instrument
Sch Ref des:- U5
3. Switcher 5V0
MPN:-TPS562200DDC
Mfr:- Texas Instrument
Sch Ref des:- U7
RE Test Failure
1. PMIC U12
MPN:- TPS6521903RHB
Mfr:- Texas Instruments
Sch Ref des:- U12
2. PD Controller
MPN:- TPS23753APW
Mfr:- Texas Instruments
3. Switcher 2V5
MPN:- TPS62824DMQ
Mfr:- Texas Instrument
Sch Ref des:- U8
Test setup:-
| 1. CE Test Results | ||||||||||||
|
--> 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 | ||||||||||||
|
-->RE Test POE SUPPLY MOE
|
||||||||||||
| 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.
RE_POE SUPPLY RE-30 TO 1ghz -14.09.2024.PdfLAN1_CE_POE_SUPPLY_WITH_COMN-14092024.PdfLAN2_CE_POE_SUPPLY_WITH_COMN-14092024.Pdf
