• TPS62843: negative voltage output

  

  Tommy Tzeng

  TI Thinks Resolved

  Part Number: TPS62843 Other Parts Discussed in Thread: LM27761 Tool/software: Hi Team, may i ask a question, can TPS62843 series output negative voltage? 3.3v to -1.8v/ 50mA. thanks.

  • 20 days ago
  • Power management
  • Power management forum

• TPS62843: Feedforward capacitor

  

  JDJ

  TI Thinks Resolved

  Part Number: TPS62843 Tool/software: Are you able to place a feedforward capacitor on TPS62843 with only an RSET resistor? We want to improve the dynamic response and provide a low impedance path for high frequency disturbance of output voltage, and…

  • 4 months ago
  • Power management
  • Power management forum
Answered

• TPS62843: Inductor DCR limitation

  

  Brian Chan

  Resolved

  Part Number: TPS62843 Tool/software: Hi Team do we have any limitation for TPS628437 of inductor DCR value of below application? 5V->1.1V 100mA 5V->1.2V 100mA BRs Brian

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum

• TPS62843: TPS62843

  

  Babak Mohajer

  TI Thinks Resolved

  Part Number: TPS62843 Tool/software: When input voltage drops to the same level as output voltage, the duty cycle is 100% and output = input. My question is, what if the input drops a little lower (say by 100mV) - does output follow the input, or buck…

  • 11 months ago
  • Power management
  • Power management forum

• TPS62843: UBM Spec Required

  

  Austin Allen

  TI Thinks Resolved

  Part Number: TPS62843 Tool/software: We are in need of information on the UBM (Under Ball Metallization)/SRO (Solder Resist Opening) of this deviceTPS628438YKAR We need this for our DFM team to define their own land pattern. Thank you, Austin Alle…

  • 8 months ago
  • Power management
  • Power management forum

• TPS62843: UBM Spec Required

  

  Austin Allen

  TI Thinks Resolved

  Part Number: TPS62843 Tool/software: We are in need of information on the UBM (Under Ball Metallization)/SRO (Solder Resist Opening) of this device TPS628438YKAR We need this for our DFM team to define their own land pattern. Thank you, Austin Alle…

  • 8 months ago
  • Power management
  • Power management forum

• RE: TPS62843: Root-Cause Analysis of TPS628438 Circuit Yield Issue

  

  Andreas Mueller

  Hi, There was no feedback since a while, so I assume this tread is resolved and can be closed. You can still reply to this thread after it is closed, or you can create a new thread. Best Regards, Andreas.

  • 8 months ago
  • Power management
  • Power management forum

• TPS62843: Questions of TPS62843

  

  Jimmy Lai

  TI Thinks Resolved

  Part Number: TPS62843 Dear Team, We are using TPS628438YKAR for project , however the surface belongs to fiber molding. In case the fiber so that AOI manufacturing is tough to identify where pin1 should it be after SMT IR reflow. Do you have any suggestion…

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

• TPS62843: recommendation of -6 , -7, -8 version for 1.8V or 0.8V?

  

  Cameron Wutzke

  Resolved

  Part Number: TPS62843 Tool/software: Hey! I see datasheet the -7 and -8 version can output 1.8V If I wanted highest efficiency possible, which version should I pick? Same question applies to 0.8vout with the -6 vs. -7 version Thank you!

  • Resolved

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

• TPS62843: How to evaluate the efficiency @ very light load

  

  Minghan Dong

  Resolved

  Part Number: TPS62843 Hi expert, Issue: how to evaluate the efficiency @ very light load (such as 1uA)? Applications: PE wearables. Background: (1) Input current cannot be detected accurately @ 1uA. Because the PFM mode is triggered @ 1uA load. The input…

  • Resolved

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

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