Answered

• TPS548A20: Rtrip resistor design inquiry

  

  JH Shin

  Resolved

  Part Number: TPS548A20 Hello, My customer had an issue as the link below on the TPS548A20 they designed. - https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1230796/tps548a20-device-failure-history/4651108 Recently…

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum
Answered

• RE: TPS548A20: Device failure history

  

  Jae cheon Yoo

  Resolved

  We've been searching for the route cause like the below. 1. +12VIN-EPAD / +12VIN-PGND almost shorten (ohm analysis in the picture) in TPS548A20(which is 3.3V source) in case #1 Board. 2. IN that board : CPU uses its power source from 1.05V and 3.3V…

  • 5 months ago
  • Power management
  • Power management forum
Answered

• TPS548A20: SCH/PCB review

  

  Allen Lu

  Resolved

  Part Number: TPS548A20 Hi Team: Customer use TPS548A20 for low noise RF case, can you help to review attach SCH and layout? tks advance. TPS548A20-4 Y1.zip

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum

• TPS548A20: IBIS model

  

  Allen Lu

  TI Thinks Resolved

  Part Number: TPS548A20 Hi team: can you help to send the IBIS model for TPS548A20 device to me? My customer want it for PI and SI simulation。 tks for your checking.

  • 7 months ago
  • Power management
  • Power management forum
Answered

• TPS548A20: Output Cap range

  

  Guy Phillips

  Resolved

  Part Number: TPS548A20 Question 1: Output Capacitance Range: The datasheet indicates that we should try to set the 2-pole L-C filter at a frequency at or below the internal zero frequency (between 6 and 12kHz). This approach results in an unrealistically…

  • Resolved

  • 11 months ago
  • Power management
  • Power management forum
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 1 year ago
  • Power management
  • Power management forum
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 has one…

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• TPS548A20: TPS548A20RVER

  

  vijay Singh

  Resolved

  Part Number: TPS548A20 Hi Team, Currentaly I am using TPS549A20RVER in our design. Looking another part from TI e.g TPS548A20RVER as an potential alternate. In our current design PMBUS of TPS549A20RVER device has not been used. TPS549A20RVER and TPS548A20RVER…

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• TPS548A20: TPS548A20

  

  Tony Wang5

  Resolved

  Part Number: TPS548A20 Hi, On the page #6 of TPS548A20 data sheet, i saw "PGOOD in from higher", "Delay for PGOOD going in", can you tell me what " PGOOD in" and "Delay for PGOOD going in" means? Thanks, Tony

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• TPS548A20: Sink current support (DDR VTT)

  

  Briana Spaugh

  Resolved

  Part Number: TPS548A20 I'd like to use TPS548A20RVER for DDR4 VTT termination. Can you tell me if this part can support sink and source current?

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum

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