Answered

• TPS51388: TPS51388 efficiencies all over the place... (pure chaos)

  

  Karim Bingoel1

  Resolved

  Part Number: TPS51388 Other Parts Discussed in Thread: TPS56C230 , , LM5171 , INA226 Hey TI-experts, we now built two engineering samples featuring a new design with TPS51388 at the center of our power conversion. This new design was supposed to be…

  • Resolved

  • 12 days ago
  • Power management
  • Power management forum
Answered

• TPS51388: TPS51388 BYP cap

  

  Wei Ying Wu

  Resolved

  Part Number: TPS51388 Tool/software: Hi in our design input is 12V and output is 4.2V, could we DNI C1806? Or C1806 is needed? BR Ethan

  • Resolved

  • 8 months ago
  • Power management
  • Power management forum
Answered

• TPS51388: What is BFG pin used in TPS51388

  

  Wei Ying Wu

  Resolved

  Part Number: TPS51388 Tool/software: Hi Team in Table 4-1. Pin Functions, FBG pin mentioned "Ground of internal analog circuitry. Decouple this pin to ground with a 4.7μF ceramic capacitor or leave the pin floating. Connect to Rfb_low if wanting to improve…

  • Resolved

  • 9 months ago
  • Power management
  • Power management forum
Answered

• TPS51388: Measurement request

  

  Koyo Asaishi

  Resolved

  Part Number: TPS51388 Hello team, Would you measure start-up and shutdown waveform lile Figure 7-10 and 11? The waveform is 5Vout but customer want to see 3.3V and 1.8V. Please measure not only EN, Vout, IL but PG if possible. Best regards koyo

  • Resolved

  • 1 month ago
  • Power management
  • Power management forum

• TPS51388: Simulation request

  

  Koyo Asaishi

  TI Thinks Resolved

  Part Number: TPS51388 Tool/software: Hello team, I have been trying to simulate TPS51388/885 using PSpice but load transient simulation is unable in my environment. Could you simulate based on customer's request instead of me? Followings are the conditions…

  • 2 months ago
  • Power management
  • Power management forum

• TPS51388: FB leak current

  

  Koyo Asaishi

  TI Thinks Resolved

  Part Number: TPS51388 Tool/software: Hello What is leak current of FB pin? I can't find in the datasheet. This value is required to determin feedback resisters value. Best regards koyo

  • 3 months ago
  • Power management
  • Power management forum

• TPS51388: TI recommendation

  

  Jimmy Huang

  TI Thinks Resolved

  Part Number: TPS51388 Other Parts Discussed in Thread: TPS56837H Tool/software: Hello： The current customer requires a synchronous switch buck converter that supports multiple output fast charging protocols, supports USB-C interface, PD3.1/PPS protocol…

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

• TPS51388: Transient response for 0.8V-1V output

  

  Terry Hu

  Resolved

  Part Number: TPS51388 Tool/software: Hi Team, TPS51388 datasheet only shows Vin 12V, Vout 5.15V transient response. My customer requirement is Vin 18V(typ) / Vin 22V(max), Vout 0.8V-1V, transient response <40mV. Could you please provide transient…

  • Resolved

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

• TPS51388: Datasheet

  

  Shuji Ishiwata

  Resolved

  Part Number: TPS51388 Tool/software: Hi All, There is no PDF datasheet on the TPS51388 product page. Please give me a PDF datasheet. Best Regards, Ishiwata

  • Resolved

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

• TPS51388: Webdesigner reports 1MHz frequency despite MODE pin is connected to VCC

  

  Sebastian Ciesluk80

  Resolved

  Part Number: TPS51388 Tool/software: Hi, I have created design using WEBENCH from link under the part page: https://www.ti.com/product/TPS51388 , specifying Vin 11.5-16V, Vout =3.3V , Iload=3A, T=70CThen In configuration options I have chosen f switch…

  • Resolved

  • 9 months ago
  • Power management
  • Power management forum

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