• TPS22997: The load switch TPS22997 pass output voltage disabled

  

  Carlos Rodriguez

  Part Number: TPS22997 Tool/software: Hello I am working on a hardware design with the load switch TPS22997, 5.5-V 10-A 4-mΩ on-resistance load switch with power good. I have two load switches implemented on the board, one for 1.8V and another…

  • 5 days ago
  • Power management
  • Power management forum
Answered

• TPS22997: SOA limitations for TPS22997

  

  Vitali Lach

  Resolved

  Part Number: TPS22997 Tool/software: Hello, Using the evaluation board TPS22997EVM as a switch for my current source has destroyed the internal mosfet in TPS22997, the power switch turned into a series resistor of 3.8 Ohm’s. That happened as I changed…

  • Resolved

  • 1 month ago
  • Power management
  • Power management forum

• TPS22997: CT Waveform question

  

  Yishan Chen

  TI Thinks Resolved

  Part Number: TPS22997 Tool/software: Hi Team, Customer is measuring the voltage between CT and GND, they found the waveform of CT is: They want to know why CT waveform is like this. Why CT will become same voltage potential with GND at the end. They…

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

• TPS22997: PG timing

  

  Daniel Baldor

  Resolved

  Part Number: TPS22997 Tool/software: Hi, Is there a delay between vout reaching its final value and PG going high-z? Thanks

  • Resolved

  • 1 month ago
  • Power management
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• TPS22997: Maximum slew rate setting of CT pin

  

  Ben Kuo

  TI Thinks Resolved

  Part Number: TPS22997 Tool/software: Hi Team, Does TPS22997 have maximum value of rise time(CT)? Per my understood, slew rate control internal FET fully turn on speed. Not sure if we can connect large capacitor at CT pin for slower turn on application…

  • 2 months ago
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• TPS22997: Questions about TPS22997 Cin and Cbias capacitors requirements

  

  Jacky Wang(QD)

  TI Thinks Resolved

  Part Number: TPS22997 Tool/software: Hi Team, customer is evaluating TPS22997 in optical module input inrush current reduction application. As there is VIN and VBias decoupler capacitors, there will cause some current spikes during VIN hot-plug, and…

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

• TPS22997: Picture of chip marking

  

  Adrian Liu

  Resolved

  Part Number: TPS22997 Tool/software: Hi Team Please help provide a photo of the top side of silk screen on the chip. Customer wants to confirm the location of Pin 1 on the chip. Below is an example: BR Adrian

  • Resolved

  • 5 months ago
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• TPS22997: TPS22997

  

  Rajan Bedi

  TI Thinks Resolved

  Part Number: TPS22997 is there a recommended pull-up for ON to permanently enable the load switch? If I connect ON to +5V directly, the part appears to enable, but if I connect it to 5V via a 1k resistor, the part doesn't switch on. Can PGOOD be…

  • 10 months ago
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• TPS22997: Questions of TPS22997

  

  Jimmy Lai

  TI Thinks Resolved

  Part Number: TPS22997 Dear Team, I wonder if TPS22997 has a short circuit protection version like TPS22992S as well. Many Thanks, Jimmy

  • 10 months ago
  • Power management
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• TPS22997: Leakage observed on output when load switch is biased (5V on) and ON is asserted (load switch enabled), but input (VIN) is floating

  

  Pritam Saha

  TI Thinks Resolved

  Part Number: TPS22997 Tool/software: Hello, My name is Pritam. I am part of the semiconductor group at Google. I am using TPS22997 load switch for one of eval board design for essentially creating a power-up sequence. However, i am observing that when…

  • 4 months ago
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