• TPS51388: TPS51388 - power from VCC pin when EN is low?

  

  Cam Caine

  TI Thinks Resolved

  Part Number: TPS51388 Hi TI techie people, I'd like to power an external comparator (TLV3202AIDGK) from the VCC pin of the TPS51388, and use that comparator output to drive the TPS51388 EN pin. This circuit would only set the TPS51388 EN pin high…

  • 1 month ago
  • Power management
  • Power management forum
Answered

• TPS51388: TPS51388 temperature range

  

  Rostyslav M

  Resolved

  Part Number: TPS51388 Hello, I'm having some confusion regarding the minimum operating temperature of the TPS51388 chip. The datasheet on the first page and in the tables states -20°C, while page 31 (Addendum-Page 1) states -40°C, the product web page…

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum
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

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

• TPS51388: No load power loss

  

  Koyo Asaishi

  Resolved

  Part Number: TPS51388 Hi team, Customer want to assess Off state power consumption in their system. Would you measure the Iq under below conditions? Vin=18V, Vout=3.3V with TPS51388 (600kHz, external 5V VCC is applied, Eco-mode) Vin=18V, Vout…

  • Resolved

  • 15 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

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

• TPS51388: Datenblatt TPS51488

  

  Peter Oehler

  Resolved

  Part Number: TPS51388 Other Parts Discussed in Thread: TPS51488 Ich suche das Datenblatt (PDF) vom TPS51488. Wir möchten diesen Baustein gerne einsetzen.

  • Resolved

  • 4 months ago
  • Power management
  • Power management forum

• TPS51388: Help with schematic review

  

  Peggy Chen

  TI Thinks Resolved

  Part Number: TPS51388 Hi experts, My customer are using TPS51388 for VCC3B , VCC3_PRIM and VCC5M, can you help for below four schematic review? Using condition: Board 1: LOP-1_Board 1_TPS51388 for VCC3B.pdf LOP-1_Board 1_TPS51388_VCC5M.pdf…

  • 4 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

  • over 1 year 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

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

• TPS51388: Efficiency between 600kHz and 1MHz

  

  Koyo Asaishi

  Resolved

  Part Number: TPS51388 Hi team, I've seen the efficiency comparison on datasheet between 600kHz and 1MHz. 1MHz should be worse efficiency generally but it looks almost same or 1MHz is better if OOA mode except mid-current of Vin=5.5V. Is there a reason…

  • Resolved

  • 6 months ago
  • Power management
  • Power management forum

Didn't find what you are looking for? Post a new question.