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TPS543C20: Schematics review

Shifali N
Expert 2085 points
Part Number: TPS543C20
Other Parts Discussed in Thread: TPS543B20, ,

Hi Team,

I am using TPS543C20RVFT in my design and the design parameters mentioned as below:

Vin=12V

Vout=0.85V

Iout=40A

I  have attached the circuit design and would like to get it reviewed by TI experts.

Thanks,

Shifali N

5518.TPS543C20RVFT.pdfTPS543B20_TPS543C20A_TPS543C20_Calculator-0V85-40A.xlsx

  • 0
    TI__Expert 7320 points

    Hi Shifali,

    Our US team will reply you tomorrow.

  • 0
    TI__Expert 4726 points

    Hi Shifali,

    The design looks great, I did not notice any issues. The only thing to note is that a feedforward capacitor may help improve the stability. If you want the flexibility to adjust the design on the fly, then it may be worth including placeholders for a resistor divider and feedforward capacitor. This would include a top resistor between VOUT and RSP (shorted with 0Ohm), a bottom resistor between RSP and RSN (unpopulated), and a feed-forward capacitor (unpopulated) in parallel with RSP. 

    Best regards,
    Britton