• 

  Kris F

  • 3 months ago
  • Power management
  • Power management forum

  RE: LMZ21700: Super Cap Charging

  Hi Nick, Yes that is expected as there is a reverse conduction path from the output through the high-side FET body diode to the input (when input is lower than output). You may find these references may be useful: https://e2e.ti.com/blogs_/b/powerhouse...
• 

  Chayut orapinpatipat

  • 25 days ago
  • Power management
  • Power management forum

  LMZ21700: LMZ21700 or TPS82150 for new design

  TI Thinks Resolved

  Part Number: LMZ21700 We are designing new DCDC. now we are considering LMZ21700 or TPS82150 for new design. Both meet our design requirement. we only need 0.2A for 5Vout from TIonine store TPS82150 is slightly cheaper. newer( 2017?) and delivery...
• 

  Ben Strawbridge1

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

  RE: LMZ21700: STEP (3D Model)

  Hi jimmy, That is prefect, I really appreciate all your help on this. Kind regards, Ben Strawbridge
• 

  alikaan

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

  LMZ21700: LMZ21700 EMI Protection

  • Resolved

  Part Number: LMZ21700 Hi, We're designing a product with LMZ21700 . For EMI tests, we shielded
• 

  Jimmy Hua

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

  RE: LMZ21700: Can I connect Vos directly to my Vout power plane?

  Hi Doug, When you get the chance, please send me both schematic and PCB layout for review. You can contact me directly at j-hua@ti.com. Regards, Jimmy
• 

  Jimmy Hua

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

  RE: LMZ21700: Why the package of the LMZ has changed?

  Hi Romain, Sorry for the late reply. This is definitely engineering samples that predate the existing finalized LMZ21700 package. Just wanted to be clear that this was never released as an option for during production. This molded package was most...
• 

  Romain Gloo

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

  RE: LMZ21700: Dropout voltage of LMZ21700 with Vout = 6V

  Hi Jimmy, Thank you for your answer and the test you performed. This is exactly what I was looking for. Have a nice day Romain
• 

  Andrew Dunlop

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

  LMZ21700: IC failure in new design

  • Resolved

  Part Number: LMZ21700 Are there any known issues with this device? I have experienced a failure
• 

  Paul Joseph

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

  LMZ21700: Failure mode exhibited

  TI Thinks Resolved

  Part Number: LMZ21700 I have observed a failure mode on the LMZ21700SILR regulator, the symptom is as follows: When the regulator is not powered, the impedance between pin 4 and ground is 4.7 ohms. When the regulator is powered with 12V, the...
• 

  Sriya Dupakuntla

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

  LMZ21700: IC failure in field

  TI Thinks Resolved

  Part Number: LMZ21700 Hello, We use this IC in an automotive application to convert a +12V battery rail to 1.8V and have observed a failure. The output impedance between pin 4 and ground is 4 ohms and the output voltage is zero. Are you aware of any...

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