• UCC21755-Q1: About tdesatfil

  

  Kato Shimpei

  TI Thinks Resolved

  Part Number: UCC21755-Q1 Hi TI Team, In the data sheet of UCC21755-Q1, the table of Electrical Characteristics shows tdesatfil between 50 ns and 230 ns, but Figure 5-27 shows it between 270 ns and 290 ns. Which is correct? (The actual measurement…

  • 29 days ago
  • Power management
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• UCC21755-Q1: UCC21755/UCC21756

  

  Venkatkumar M

  TI Thinks Resolved

  Part Number: UCC21755-Q1 Tool/software: Hi, We are using a UCC21756 gate drive to run 6 SiC MOSFET in inverter, if one gate driver detects a overcurrent situation it send a fault a signal to microcontroller to reset all other gate driver at current…

  • 7 months ago
  • Power management
  • Power management forum

• UCC21755-Q1: TINA-TI/ Simulation model

  

  Adithi Sharma

  TI Thinks Resolved

  Part Number: UCC21755-Q1 Other Parts Discussed in Thread: UCC21750 Tool/software: Hi TI Team, I need to perform a simulation for UCC21755-Q1 part. please help me out with a simulation model for the same. Thank You

  • 4 months ago
  • Power management
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Answered

• UCC21755-Q1: Need Current rating VEE, VDD and VCC

  

  Sundar Raj A

  Resolved

  Part Number: UCC21755-Q1 Tool/software: Hi, good day. How can the currents for VEE, VDD, and VCC be calculated at different frequency ranges? Could you please share any formulas or graphs for this? Thanks Sundar

  • Resolved

  • 2 months ago
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• UCC21755-Q1: About UCC21755 VDD cap slection

  

  Gabriel Wang1

  TI Thinks Resolved

  Part Number: UCC21755-Q1 Tool/software: Dear Expert Use UCC14141 and UCC21755. UCC21755 requires VDD to add at least 10uF to COM. For UCC14141, when the capacitance between VDD-COM is 10uF, VEE-COM needs to add 50uF. The current question is whether…

  • over 1 year ago
  • Power management
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• UCC21755-Q1: UCC21755QDWRQ1

  

  Vedang Pandya

  TI Thinks Resolved

  Part Number: UCC21755-Q1 Tool/software: Hi, We are using UCC21755 gate drivers for driving SiC mosfet. I wanted to know about the active pull down feature on this isolated gate driver. Do this active pull-down feature work in no power conditions…

  • 7 months ago
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• UCC21755-Q1: About DAPW tolerance

  

  Kato Shimpei

  TI Thinks Resolved

  Part Number: UCC21755-Q1 Tool/software: 1)Why is min at VAIN=4.5 V -2.5% while max and min at other points range from typ to + -1.5%? 2)How do I calculate min in the range 2.5 V < VAIN < 4.5 V?

  • 6 months ago
  • Power management
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• UCC21755-Q1: IN+,IN-

  

  Venkatkumar M

  TI Thinks Resolved

  Part Number: UCC21755-Q1 Tool/software: Hi,In UCC217XX , the pins IN+ ,IN- are internally pull down to GND and VCC respectively, But I need to pull down IN- pin to GND instead of VCC, how to do it?

  • 7 months ago
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• UCC21755-Q1: How to calculate the Gate Current.

  

  Sravan kumar

  TI Thinks Resolved

  Part Number: UCC21755-Q1 Tool/software: Hi sir, I am using a Mosfet of FF2MR12KM1H . It have a gate charge of Qg=1.2uc. As per my knowledge I calculated the required gate current I=Q/Traise (1.2uC/1..3nSec= 9.2A) So I can choose a gate driver which…

  • 6 months ago
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• UCC21755-Q1: UCC21755-Q1

  

  Naveen Devarakonda

  TI Thinks Resolved

  Part Number: UCC21755-Q1 Other Parts Discussed in Thread: SN6501 , Hi TI, Happy New Year. I'm using UCC21755 gate driver to drive SiC Mosfet (NTH4L020N120SC1) to control 3-Ph BLDC Motor. I'm in a early stage of designing the Inverter circuit. I have…

  • over 1 year ago
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  • Power management forum

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