• TPS40077: layout review

  

  Denny Huang

  TI Thinks Resolved

  Part Number: TPS40077 Dear team There is a good news that we design in TPS40077(U91) in customer's new project. Could you help to review the Layout? 3618.BS72RS1400A-ZZ_20210914.brd Many thanks Denny

  • over 4 years ago
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• TPS40077: Component selection

  

  Denny Huang

  TI Thinks Resolved

  Part Number: TPS40077 Dear team There is a good news that we design in TPS40077 in customer's new project. The spec of customer's application is Vin=24V,Vo=12V,Io=12.5A I refer the schematic from user's guide of TPS40077EVM-001. Because of the…

  • over 4 years ago
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Answered

• TPS40077: Simulation Models?

  

  Furkan Fehmi Sefiloglu

  Resolved

  Part Number: TPS40077 Other Parts Discussed in Thread: TPS40075 , TPS40055 Hi Team, Do we have simulation models of TPS40077? Thanks in advance Best Regards Furkan Sefiloglu

  • Resolved

  • over 4 years ago
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• TPS40077: Schematic review

  

  Denny Huang

  TI Thinks Resolved

  Part Number: TPS40077 Other Parts Discussed in Thread: CSD17579Q3A , CSD17577Q5A , CSD17579Q5A , CSD17577Q3A Dear team There is a good news that we design in TPS40077 in customer's new project. The spec is Vin=19V,Vo=12V,Io=12.5A. Could you help…

  • over 4 years ago
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• TPS40077: can't output 15V

  

  user5848839

  TI Thinks Resolved

  Part Number: TPS40077 Hi I use TPS40077 to output 15V, 10A. Din is 24V. Schematic diagram as below. I control it only can output up to 13.5V. Please help review it. Thanks.

  • over 4 years ago
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• TPS40077: Output is not 3.3V

  

  Chris Jensen

  TI Thinks Resolved

  Part Number: TPS40077 I am testing the design that was provided by our contractor of the TPS40077. The input is 6.5V to 9.5V and is supposed to give 3.3V output, but I am only getting 1V.

  • over 5 years ago
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Answered

• TPS40077 / Junction to Case Thermal Resistance

  

  K.Yaita

  Resolved

  Other Parts Discussed in Thread: TPS40077 , TPS40057 Hi Team, I found Theata JA(Junction to Ambient Thermal Resistance) in datasheet. Do you have information of Theta JC for TPS40077? Best Regards, Yaita / Japan disty

  • Resolved

  • over 9 years ago
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Answered

• TPS40077 / input capacitor

  

  K.Yaita

  Resolved

  Other Parts Discussed in Thread: TPS40077 Hi Team, The datasheet shows 470uF electrolytic capacitor is required to maintain the voltage on the input rail. However there isn't 470uF input capacitor in "EXPAMPLE APPLICATIONS(page.34-36)", it shows 22uFx2…

  • Resolved

  • over 10 years ago
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Answered

• TPS40077 / 7 soft-start cycles

  

  K.Yaita

  Resolved

  Hi Team, Could you tell me the following threshold voltage of VSS_H and VSS_L when short-circuit protection occur? (datasheet page.19) My customer wants to know it to calculate the duration of "7 soft-start cycles". Your support would be appreciated…

  • Resolved

  • over 10 years ago
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• TPS40077 / MIN and MAX value of UVLO threshold voltage

  

  K.Yaita

  Other Parts Discussed in Thread: TPS40077 Hi Team, My customer considers to use RT=150kΩ(Fsw=300kHz) and RKFF=110kΩ for TPS40077. Is there MIN/MAX value of UVLO(on) threshold voltage under above condition? I believe there is no MIN/MAX value of UVLO…

  • over 10 years ago
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