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LM5013-Q1: LM5013-Q1 vague documentation

Mohammed Fawzy
Expert 1935 points
Part Number: LM5013-Q1
Other Parts Discussed in Thread: LM5013

Hi,

I decided to go with LM5013-Q1 and initially planned to follow the LM5013-Q1 EVM schematic. However, I’ve encountered some inconsistencies that make it difficult to move forward confidently:

  1. The BOM and schematic for the EVM do not match in capacitor values (specifically for C8 and C9).

  2. The SNVR514 — LM5013-Q1 Design Calculator shows a schematic where the GND pin is not connected to ground, which seems incorrect.

I’m not trying to flag errors, but I’m building a large prototype board, and I want to avoid small yet costly design mistakes.

Could you please point me to the most up-to-date and internally consistent reference (datasheet, EVM design, or validated schematic) that I can rely on for the LM5013 or LM5013-Q1?

Your clarification would help restore confidence that I’m aligning with the correct TI design guidance.

Best Regards,

Mohammed 

  • +1
    TI__Expert 8942 points

    Hi Mohammed,

    We will take care of this in next revision. 

    • For now, for EVM's default operating condition, 2*2.2uF ceramic capacitors should be fine as shown in schematic.
    • yes, GND pin (Pin-1) must be connected to ground as shown in datasheet/evm schematic.

    Regards

    Arpita