• TLV62569: FYI TLV62569 simulation working in LTSPICE but terrible.

  

  I was radicalized by Altium Designer

  Part Number: TLV62569 Tool/software: this model does run in ltspice but its very sensitive. I was previously unable to get it running. It would startup and regulate OK but then 10-20ms something would happen, the compute will lag considerably, then the…

  • 23 days ago
  • Power management
  • Power management forum
Answered

• TLV62569: R1 + R2 not present - what happens

  

  J B

  Resolved

  Part Number: TLV62569 Tool/software: Hello, I am working on a device where the main semiconductor manufacturer has stated that the TLV part should not have R1 and R2 (or C3) loaded at all, meaning the FB is floating. The input voltage is 3.3V What would…

  • Resolved

  • 23 days ago
  • Power management
  • Power management forum

• TLV62569: Behavior when 5V suddenly applied to output in PFM mode

  

  I was radicalized by Altium Designer

  Part Number: TLV62569 Tool/software: Hello. I am running the sim and curious about the condition. lets say the ic is operating in PFM mode and my target voltage is 1.5V. Suddenly i slip and fall and accidentally force 5V on the output. From what i can tell…

  • 22 days ago
  • Power management
  • Power management forum

• TLV62569: Device action after VFB larger than 110% VFB nominal

  

  Zach Zhu

  TI Thinks Resolved

  Part Number: TLV62569 Tool/software: Hi expert, What will happen if VFB is larger than 110% VFB nominal? I know Vpg will fall and want to know if there are other protection actions? BR, Zach

  • 2 months ago
  • Power management
  • Power management forum

• TLV62569: TLV62569 power supply to the radar as a sencond power supply results in an SPUR condition for the radar

  

  Arabella Zhang

  Part Number: TLV62569 Tool/software: Dears, The customer used the TPS562201DDCR as the primary power supply and TLV62569DBVR as the secondary power supply to power the subsequent radar, and the customer found that the BUCK power supply caused the radar…

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

• TLV62569: what wafer size and node process (nm) for TLV62569DBVR？

  

  Yi Yi Chen

  Resolved

  Part Number: TLV62569 Tool/software: Hi TI team, Please kindly help to reply what wafer size and node process (nm) of TLV62569DBVR. Thanks.

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum

• RE: TLV62569: TLV62569DBVR Use exception consulting

  

  Josef Marsmann

  Hi Yingjiao, I don't see an issue with the schematic and inductor. Please take some measurements on the VIN and VOUT of the TLV62569 device at start-up to see probably some overvoltage or strange behavior. Best regards, Sepp

  • 5 months ago
  • Amplifiers
  • Amplifiers forum
Answered

• TLV62569: height

  

  Jeff YANG

  Resolved

  Part Number: TLV62569 Tool/software: Hi, Our design maximum height is 1.4mm. We found SOT235 package maximum is 1.45mm, but we meansure sample on hard all about ~1.1mm. May I know why this tolerance is big?(and it seem same SOT23 package with DDCR? but…

  • Resolved

  • 6 months ago
  • Data converters
  • Data converters forum

• TLV62569: TLV62569 Appication about output voltage has noise

  

  Ruei Wu

  TI Thinks Resolved

  Part Number: TLV62569 Tool/software: Hi team, I have a issue about noise as below, the noise would impact MCU work that the most severe damage the MCU. How could I improve the 3.3V noise?

  • 9 months ago
  • Power management
  • Power management forum

• TLV62569: TLV62569PDRLR The output voltage exceeds specifications

  

  lei ping

  Part Number: TLV62569 Tool/software: After PCBA returned, it was found that the main IC was unstable, which was found to be caused by the power supply (3.3V).

  • 7 months ago
  • Power management
  • Power management forum

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