• UCC21750-Q1: UCC21750-Q1 Output FLT error

  

  guoqing shi

  TI Thinks Resolved

  Part Number: UCC21750-Q1 Tool/software: hi, engineer How has you been! now, we use the UCC21750-Q1 in a Inverter project, but it always output a FLT error when we input voltage above 300V, there is no this FLT error when we input voltage under 250V…

  • 2 months ago
  • Power management
  • Power management forum

• UCC21750-Q1: About DSET circuit question for UCC21750-Q1

  

  KUO WENYUNG

  TI Thinks Resolved

  Part Number: UCC21750-Q1 Tool/software: Dear Tier, Is there a problem with insufficient clearance and creepage when using a 1200V diode in an SMA package in the application design? sluaay2 - Application Note Choosing Appropriate Protection Approach…

  • 2 months ago
  • Power management
  • Power management forum

• UCC21750-Q1: UCC21750-Q1 output FLT error

  

  guoqing shi

  TI Thinks Resolved

  Part Number: UCC21750-Q1 Tool/software: Hi Vivian， i can not sent message in the previous block，so I build this new block 1 This problem only happen on V phase （only top IGBT but not bottom） 2 we have done the ABA swap ，this problem still happened…

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

• UCC21750-Q1: UCC21750-Q1 replacement

  

  Javier Vara

  Resolved

  Part Number: UCC21750-Q1 Other Parts Discussed in Thread: UCC21755-Q1 , Tool/software: UCC21750-Q1 seems to be getting discontinued. The web recommends UCC21755-Q1 as a drop-in replacement. Is there any difference between the 2 at all? I had a quick look…

  • Resolved

  • 7 months ago
  • Power management
  • Power management forum

• UCC21750-Q1: I would like to inquire about the delay time of ucc21750

  

  Junehee Park

  TI Thinks Resolved

  Part Number: UCC21750-Q1 Other Parts Discussed in Thread: UCC21750 Tool/software: The UCC21750 Datasheet states that Tpdhl and Tpdlh are max 130ns. However, when we measured the ucc21750 on the PCB we made, the delay time was 340ns. What causes the…

  • 3 months ago
  • Power management
  • Power management forum

• UCC21750-Q1: Unencrypted model Required

  

  ABKD

  TI Thinks Resolved

  Part Number: UCC21750-Q1 Tool/software: Hello, I need unencrypted model of UCC21750-Q1 to be used in Qspice. Can you please share the model of this part compatible for Qspice or LTspice.

  • 2 months ago
  • Power management
  • Power management forum

• UCC21750-Q1: UCC21750 spice model D_D1 define

  

  Jiang Kuma

  TI Thinks Resolved

  Part Number: UCC21750-Q1 Other Parts Discussed in Thread: UCC21750 Tool/software: I am using the Spice model and converting it to a MAST file in Saber simulation. When I run the model, it always reports an error about d_d1 being out of range. So, I checked…

  • 5 months ago
  • Power management
  • Power management forum

• UCC21750-Q1: I want to know about the UCC21750 Desat function settings and operation method

  

  Junehee Park

  TI Thinks Resolved

  Part Number: UCC21750-Q1 Tool/software: Hi~ I have a few questions. 1. When I designed and measured the Desat circuit as shown below, it worked as shown in the measured waveform. Please check if it is working normally. 2. If the desat setting…

  • 3 months ago
  • Power management
  • Power management forum

• UCC21750-Q1: Required current for the gate input terminal of UCC21750-Q1

  

  Junehee Park

  TI Thinks Resolved

  Part Number: UCC21750-Q1 Other Parts Discussed in Thread: UCC21750 Tool/software: Hi~ Please tell me the required current for the gate input terminal of UCC21750-Q1

  • 10 months ago
  • Power management
  • Power management forum

• UCC21750-Q1: FLT fault

  

  guoqing shi

  TI Thinks Resolved

  Part Number: UCC21750-Q1 Tool/software: hi，Vivian Actually，the problem has occurred in all three phases（TOP），and the layout of them are the same. Is there other reason which can cause the FLT still pull low？ what is your email adress？ my email…

  • 2 months ago
  • Power management
  • Power management forum

Didn't find what you are looking for? Post a new question.