• TPS548A20: TPS548A20 design question

  

  user5968756

  TI Thinks Resolved

  Part Number: TPS548A20 Hi Admin, i want to have a 1V/15A, 3.3V/15A design. I check the webench and EVM's schematic and find some difference between. Could you pls help to answer it? Thanks. 1. Cin, Webench have 2.2nF Cin, but EVM have 0.1uFCin.…

  • over 5 years ago
  • Power management
  • Power management forum
Answered

• TPS548A20: TPS548A20 RFpin connection

  

  user4449052

  Resolved

  Part Number: TPS548A20 A question about the TPS548A20 EN pin connection. Connect RFpin to Vin or VREG at the following Vin / Vout. Which is better? Vin=5.0V Vout=3.3V Iout(max)=5.0A

  • Resolved

  • over 5 years ago
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Answered

• TPS548A20: Which is the best connection for the PD resistor at EN, PGND or AGND?

  

  Daisuke Higa

  Resolved

  Part Number: TPS548A20 Hi support team. Which is the best connection for the PD resistor at EN, PGND or AGND? Best regards, Higa

  • Resolved

  • over 3 years ago
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Answered

• TPS548A20: X-ray photography

  

  TADASHI NISHIKAJI

  Resolved

  Part Number: TPS548A20 I took X-ray pictures of two devices. There is a difference in the red circle, what is this? Did you change it for some reason? LOT above：TI 69I AGEN LOT below：TI 99J P32J E3

  • Resolved

  • over 4 years ago
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Answered

• TPS548A20: Output voltage trace routing from Load to Regulator Feedback resistors (near Regulators)

  

  first_name Koppanati

  Resolved

  Part Number: TPS548A20 Hi, We are using TPS548A20 to generate 1.0V @ 10A from 12V. 1.0V goes to Load(MPU) from regulator, Vout trace which connects feedback resistors(Rtop,Rbot) is coming from Load side in Internal Power plane. This power plane…

  • Resolved

  • over 3 years ago
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• TPS548A20: TPS548A20 bode plot measure

  

  user5968756

  TI Thinks Resolved

  Part Number: TPS548A20 Hi Admin, I want to measure the bode plot of TPS548A20 so I will add a 10 ohm resistor in series Rm with the Rtop feedback resistor. 1. Generally the TPS548A20 have a VO pin connect to the Cout to sense the Vout, so I will…

  • over 5 years ago
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Answered

• TPS548A20: VREG rising waveform

  

  TADASHI NISHIKAJI

  Resolved

  Part Number: TPS548A20 yellow：VIN green：VREG This is rising waveform.I have doubts about the VREG waveform. Why is there a step near 3V?

  • Resolved

  • over 4 years ago
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Answered

• TPS548A20: TPS548A20 Design Tool

  

  zhao zhaoyong

  Resolved

  Part Number: TPS548A20 Hello: Can you provide TPS548A20 Design Tool? Preferably in Excel format。 Best Regards Leon 文晔集团 广东省深圳市南山区高新中三道 9 号环球数码大厦 12 楼 Mobile:(86)159 8985 2994 Tel:(86)755-26743880 Ext:6643 Fax:(86)755-26743990

  • Resolved

  • over 6 years ago
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• TPS548A20: FCCM Mode selection

  

  JH Shin

  TI Thinks Resolved

  Part Number: TPS548A20 Hello, My customer designed the TPS548A20 as below for FCCM mode selection and connecting the PGOOD pin to a 3.3V device. Are there any problems with the design? Thank you. JH

  • over 4 years ago
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• TPS548A20: Rtrip minimum value

  

  Joey Christ

  TI Thinks Resolved

  Part Number: TPS548A20 My nominal load current is 1.5A, but I'd like to set the maximum DC load to ~130% of that value (1.95A). Using Equation (3) in the datasheet, this leads me to 8.06k for Rtrip. According to section 7.3.7 of the datasheet, R_trip…

  • over 4 years ago
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