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TPS2350 schemtic for review by TI

Shlomi Yehezkia
Mastermind 6150 points
Other Parts Discussed in Thread: TPS2350

7651.IRLH5030TR2PBF.pdfHi,

Please review the attached schematic of an input stage of hot swapable fan module.
 
The input is 32 to 75Vdc, 5A continues.
Attached also the Fet transistors data sheet.
 
Please advise ASAP.
 
Regard's
Shlomi
  • 0
    TI__Genius 9415 points

    The design is a copy of the app note so I don't expect problems. There are a couple of changes for your operating parameters.

    The OV and UV resistors are not set up for your stated limits 32 to 75 volts. You can recalculate these but for reference, I kept the same  R3, 6650 ohms and recalculated R2= 9.09K and R1=340K. Calculation method is in the TPS2350 datasheet.

    The Sense resistor is not set for 5A continuous. R11 should be .007 ohms