• UCC21550-Q1: Difference between UCC21550BQDWRQ1 and UCC21550BDWR

  

  Wei Seng Foong

  TI Thinks Resolved

  Part Number: UCC21550-Q1 Hi team, Customer would like to understand different between UCC21550BQDWRQ1 and UCC21550BDWR. Customer would like to use UCC21550BQDWRQ1 if UCC21550BDWR is same product (same die, packages) besides AEC-Q100 qualification…

  • 2 months ago
  • Power management
  • Power management forum
Answered

• UCC21550-Q1: is it ok to leave the NC pin floating?

  

  Otis Zheng

  Resolved

  Part Number: UCC21550-Q1 Tool/software: Hi team, I'm Otis Zheng currently supporting EVTech, got a question from customer. they were using UCC21550-Q1 with DWK package, and they need to change to UCC21550-Q1 with DW package, but the layout has been…

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum

• UCC21550-Q1: Input power increase during VCC UV condition

  

  Scarlett Cao

  TI Thinks Resolved

  Part Number: UCC21550-Q1 Tool/software: Hi team, During customer application of UCC21550-Q1, there could be some short time UV of VCCI from 5V to 2V. At is condition VCC UVLO will be triggered, and VCCI pin input current will increase to up to 0.24A…

  • 3 months ago
  • Power management
  • Power management forum

• 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

  • over 1 year 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

  • 11 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 2 years 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…

  • 10 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 2 years 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

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