• TPS82140: Negative Power Supply TPS82140

  

  Eduard Razumovsky1

  TI Thinks Resolved

  Part Number: TPS82140 Hi Is it possible to review my schematic for -2V negative supply "VMAIN" = 5V-12V Current load = 100mA

  • 26 days ago
  • Power management
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Answered

• TPS82140: TPS82140 Output drops then rises again, but PG never recovers

  

  tony tran

  Resolved

  Part Number: TPS82140 Hi everyone, I have an issue where the TI TPS82140SILT powers on, collapses to 0.3V, then rises back to nominal voltage. Can anyone explain why PG stays low after the output voltage reaches it's nominal voltage again? I can't easily…

  • Resolved

  • 1 month ago
  • Power management
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• TPS82140: TPS82140 EMI data

  

  Hori Shota

  TI Thinks Resolved

  Part Number: TPS82140 Other Parts Discussed in Thread: TPS82150 , TPS82130 Tool/software: Hi team, I am looking for EMI noise data for the TPS82140. I have confirmed in other posts that the EMI data for the TPS82140 is similar to that of the TPS82150…

  • over 1 year ago
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Answered

• TPS82140: Generating a negative voltage?

  

  Alan Hoehn

  Resolved

  Part Number: TPS82140 Tool/software: I need to generate a negative 5V @ 200mA supply that is low noise. Is it possible to do this with the TPS82140 by swapping the output and GND pins? If not, what are some suggested parts that can accomplish this? Thanks…

  • Resolved

  • over 1 year ago
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Answered

• TPS82140: TPS82140 vs TPS82150

  

  Eduard Razumovsky1

  Resolved

  Part Number: TPS82140 Other Parts Discussed in Thread: TPS82150 , Tool/software: Hi What are the differences between TPS82140 & TPS82150 besides current capabilities? I can't find any difference in datasheets (efficiency, switching frequency and…

  • Resolved

  • over 2 years ago
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• TPS82140: Questions about TPS82140SILR Qualification Report Issues

  

  Jacky Wang(QD)

  TI Thinks Resolved

  Part Number: TPS82140 Tool/software: Hi Team, Customer is asking us about TPS82140's qualification report downloaded from ti.com, where shows the latch-up test item only having 3pcs samples per lot, and their end customer's requirements is minimum 6pcs…

  • over 1 year ago
  • Power management
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Answered

• TPS82150: TPS82140/TPS82150 - inverting buck-bust input capacitors reference

  

  avihai o

  Resolved

  Part Number: TPS82150 Other Parts Discussed in Thread: TIDA-01405 Tool/software: Hi, I am designing an inverting buck-boost using the TPS82150 and I try to figure out if the input capacitors should be connected to -Vout or to GND. Vin is 5V or 12V…

  • Resolved

  • over 2 years ago
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• TPS82140: Transient current

  

  David Huang

  TI Thinks Resolved

  Part Number: TPS82140 Hi team, My customer's application has transient current 4.98A within 27us, which is higher than the device's current limit. Will this short over current condition cause any issue? Regards,

  • over 3 years ago
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• TPS82140: tps82140

  

  can ates

  TI Thinks Resolved

  Part Number: TPS82140 Hello, When the datasheet of this IC is looked, the input range is 3V-17V whereas the output voltage 0,9V-6V and the output voltage can be adjusted with resistor placed in pin of the IC. There is a question about this conversion…

  • over 5 years ago
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• TPS82140: (mis)Behavior of EN line on TPS82140

  

  Geoffrey Lansberry40

  TI Thinks Resolved

  Part Number: TPS82140 I'm using the TPS82140SILT in a design, and am starting to test out my first board in sections. I'm seeing strange behavior on the EN pin. I see the input voltage showing on this pin (1), with a source impedance of about 350 ohms…

  • over 5 years ago
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