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  jaeyup jung

  • 24 days ago
  • Power management
  • Power management forum

  UCC28064A: PFC Controller

  TI Thinks Resolved

  Part Number: UCC28064A The circuit was designed with reference to "700-W interleaving transition-mode PFC reference design". The circuit below is a UCC28064A controller schematic and a PFC main board schematic. Whe n the load was 0A, the...
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  jaeyup jung

  • 1 month ago
  • Power management
  • Power management forum

  UCC28064A: Open Loop Test, GDA, GDB, PWM

  TI Thinks Resolved

  Part Number: UCC28064A The circuit above is a circuit that I arbitrarily designed using UCC28064A. PFC circuit specifications Input voltage : AC220V Output voltage : 400V Output power : 3.3kW We will test with an open loop before mounting on a PFC...
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  user5186594

  • 1 month ago
  • Power management
  • Power management forum

  UCC28064A: UCC28064A ABS Max of GDA and GDB

  TI Thinks Resolved

  Part Number: UCC28064A 1. Regarding ABS Max of GDA and GDB(Continuous input current: ±25mA), does it mean RMS? or average? 2. What is peak current as ABS Max of GDA and GDB?
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  Red Yen

  • 1 month ago
  • Power management
  • Power management forum

  UCC28064A: UCC28064A SIMetrix/SIMPLIS loop gain simulation circuit or model

  • Resolved

  Part Number: UCC28064A Hi Support team My customer want to use SIMetrix / SIMPLIS for PFC circuit
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  Henry Liang

  • 1 month ago
  • Power management
  • Power management forum

  UCC28064A: UCC28064A AC-Line Dropout

  Part Number: UCC28064A Hi there, 500W Power supply, using PFC IC UCC28064A and LLC topology. The IC specification figure 29. on page 30. shows which VINAC rises above 0.71V then VSENSE rises as well. In my codition, after AC-line voltage fall...
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  Mason Noh

  • 2 months ago
  • Power management
  • Power management forum

  UCC28064A: OCP level

  • Resolved

  Part Number: UCC28064A Hi TI, There is a difference in the OCP level depending on the VCC
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  Hong Huang

  • 24 days ago
  • Power management
  • Power management forum

  RE: UCC28064A: PFC Controller

  can you check your bias VCC of UCC28064, and then check GDA and GDB to see if all these are ok, and if not, you may trace down to see what caused them wrong.
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  user5943494

  • 3 months ago
  • Power management
  • Power management forum

  UCC28064A: Could UCC28064A work normally in DC input voltage.

  TI Thinks Resolved

  Part Number: UCC28064A Hi TI Could UCC28064 work normally in DC INPUT？I have tested UCC28064A EVM-004 IN DC 200V input，but it works instability。Just like the picture as below，CH1 GDB；CH2 GDA；CH3 Vout。It seams restart in startup。Why it happens.Thanks...
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  Hong Huang

  • 1 month ago
  • Power management
  • Power management forum

  RE: UCC28064A: Recommend PFC for three phase and high Vout solution

  It is mainly depending on total power or power on each phase to select a controller. so please provide the power ratings.
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  Roy Chou1

  • 4 months ago
  • Power management
  • Power management forum

  UCC28064A: OCP/OVP protection internal(external)

  TI Thinks Resolved

  Part Number: UCC28064A Hi All, My customer use UCC28064A for their application. Do this device have internal OVP/OCP function for internal? If not, have any recommendation for protection? efuse/load switch/simple circuit? OVP:42V OCP:10A Thank...

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