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TDES954: schematic check

Tommy Tzeng

Mastermind 6030 points

Part Number: TDES954
Other Parts Discussed in Thread: DS90UB954-Q1

Hi Sir,

the customer has a platform base on i.MX8M Plus, for industry4.0 IoT gateway application, we using the TDES594 deserializer with a MIPI interface to the platform, could help review our current schematic below and let us know if there any issue or change required?

we use the DS90UB954-Q1 EVM user guide as a reference for our design.

thanks for your support and learn from you.

AR8MP01_TDES954RGZR_Deserializer_SCH(1).pdf

0 Zoe Bison 19 days ago

TI__Mastermind 25265 points

Hi Tommy,

Thanks for sharing your schematic here. I will review and plan to provide feedback within a week.

Best,

Zoe

0 Zoe Bison 18 days ago in reply to Zoe Bison

TI__Mastermind 25265 points

Hi Tommy,

Please see attached review. I suggest adding another review once these changes have been made.

AR8MP01_TDES954RGZR_Deserializer_SCH_Review.pdf

Best,

Zoe

0 Tommy Tzeng 8 days ago in reply to Zoe Bison

Mastermind 6030 points

Hi Zoe,

thanks for you great support, may i ask you a question?

as shown in the image below, for the RIN0_M / P pins, is an AC coupling capacitor required? because we to use a USB-C Mux ic at the u28 location.

currently, we are using 0 ohm resistor replacement

0 Zoe Bison 8 days ago in reply to Tommy Tzeng

TI__Mastermind 25265 points

Hi Tommy,

Yes, a decoupling capacitor is required prior to the USB connection. The capacitor is recommended to be placed close to the deserializer side.

Best,

Zoe