• UCC21550-Q1: [Gigabyte UCC CherryW] Confirmation and Documentation Request for UCC21550-Q1 Certification

  

  SHH

  TI Thinks Resolved

  Part Number: UCC21550-Q1 Tool/software: Hi team, Our key customer would like to use the UCC21550-Q1. Please confirm if the UCC21550-Q1 has already obtained the IEC 60747-17 certificate and ensure it is still valid. Also, please provide the relevant…

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

• UCC21550-Q1: Functional safety FIT rates

  

  Molly Wang

  TI Thinks Resolved

  Part Number: UCC21550-Q1 Other Parts Discussed in Thread: UCC21551-Q1 Tool/software: Hi Team, Could you help offer UCC21550-Q1 Functional safety FIT rates document? I can't find it on TI.com, thank you. Molly

  • 8 months ago
  • Power management
  • Power management forum
Answered

• UCC21550-Q1: Secondary side A/B channel for Bottom/Top switch

  

  Deliang Wu

  Resolved

  Part Number: UCC21550-Q1 Tool/software: Can one use the secondary side B channel, with bootstrap configuration, to drive the top switch while using the A channel to drive the bottom switch of a half-bridge in a 3-phase motor drive inverter?

  • Resolved

  • 7 months ago
  • Power management
  • Power management forum

• UCC21550-Q1: Industrial grade part of UCC21550-Q1

  

  Sophia Zhang

  TI Thinks Resolved

  Part Number: UCC21550-Q1 Other Parts Discussed in Thread: UCC21551 Hi team. Recently, we got a gate driver to replace their legacy solution NIS6622A. We promoted UCC21550-Q1 to compete. Actually it’s an industrial application – Solar inverter…

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

• UCC21550-Q1: DIS end voltage on the low-voltage side fluctuates

  

  Taku Murayama

  Part Number: UCC21550-Q1 Other Parts Discussed in Thread: UCC21550 , UCC21551 Tool/software: Hi, Is there an event that noise on the high-voltage side propagates and the DIS end voltage on the low-voltage side fluctuates? During verification, the…

  • 6 months ago
  • Power management
  • Power management forum
Answered

• UCC21550-Q1: UCC21550 How to calculate DT when Rdt=1K?

  

  Guohai Lin

  Resolved

  Part Number: UCC21550-Q1 Other Parts Discussed in Thread: UCC21550 , UCC21551 Dear teams, Rdt=1k is not within the range of the datasheet. Is there any other way to calculate DT at this time? Thanks！

  • Resolved

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

• UCC21550-Q1: found a negative voltage between out pin and Vss pin

  

  Yuhao Wang

  TI Thinks Resolved

  Part Number: UCC21550-Q1 Hello， Good day. Our customer tested ucc21550-q1 and found a negative voltage between out pin and Vss pin. When the negative voltage of the driver chip spikes, the negative voltage signal on the driver chip is 5V/ns. The driver…

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

• UCC21550-Q1: quiescent current rating

  

  shankari ramnath

  TI Thinks Resolved

  Part Number: UCC21550-Q1 Other Parts Discussed in Thread: UCC21551 Hi, I am using this gate driver for an application and to design the power supply I require the quiescent current rating. I see the VDD quiescent current rating on the data sheet of…

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

• UCC21550-Q1: Contact point

  

  Hannah Park

  Part Number: UCC21550-Q1 Could you please let me know the correct contact point to request about design related questions on UCC21550-Q1 device internally?

  • over 2 years ago
  • Power management
  • Power management forum

• RE: UCC21520-Q1: Gate driver Output Push-Pull being damaged.

  

  Hiroki Honda

  Hi Fabio, Fabio Posser said: According to the datasheet, the input should not be switched from ON to OFF during the turning ON process This statement in the datasheet is referring to narrow pulses being outputted by the driver. When a narrow pulse…

  • 9 months ago
  • Power management
  • Power management forum

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