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Showing 33 results View by: Thread Post Sort by
    Answered
  • RE: Half-Bridge or Full-Bridge control IC for automotive grade

    Peter Meaney
    Peter Meaney
    Resolved
    Hi Yaita-san, The LM5021-Q1 and the LM25037-Q1 are the two controllers that are most suitable for this power range and have automotive qualification. Regards Peter
    • over 10 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: isolated DCDC for automotive

    Peter Meaney
    Peter Meaney
    Resolved
    Hi Yaita-san, The only Q1 parts I can see in the HPS portfolio are the LM5021-Q1 and the UCC28700-Q1 Regards Peter
    • over 10 years ago
    • Power management
    • Power management forum
  • RE: UCC28700-Q1: Use of secondary winding for voltage regulation instead of the auxiliary winding?

    John Stevens
    John Stevens
    Viktorija, Thanks for the interest here. This is an interesting question. I don't think we've tested this before but I don't see why it wouldn't work. Can you help me understand why this approach is of interest? Since it's not isolated I'm…
    • over 8 years ago
    • Power management
    • Power management forum
  • RE: Opto Coupler usage in TPS61175 flyback SMPS

    Helen chen
    Helen chen
    Dear Sir, I'm not the writer of this application note. But here I'll give my reply from my point of view: This kind of connection is not a good connection for both opto-coupler and TL431 1) Its hard to say the 130uA source can't drive the BJT in TCMT1107…
    • over 9 years ago
    • Power management
    • Power management forum
  • RE: WEBENCH® Tools/UC2843: Can I use UC2843 to get output power of 80Vdc and 15Amps? In webench I cant simulate that design

    Peter Meaney
    Peter Meaney
    PN Note: (-Q1) when auto PN is substituted Description Link Input Voltage Output Voltage Output Power OBC EV Charging Station DC-DC Topology LM5021 (-Q1) + UCC28180 PMP10215 Universal…
    • over 6 years ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • LM5021: LM5021 applied Two-tube Forward Design Consult

    Jayce Luo
    Jayce Luo
    TI Thinks Resolved
    Part Number: LM5021 Other Parts Discussed in Thread: PMP10215 , , PMP40281 , UCC256402 Hi, TI expert, Currently need to make a two-tube forward design with 300~1000V input Voltage, 24V output Voltage and 200W output Power. Suppose LM5021 is the…
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • LM5021: Voltages of VCOM and VSS are not constant. Trap in the soft-start region.

    Jehyuk Won
    Jehyuk Won
    Resolved
    Part Number: LM5021 Hi, I am using LM5021 to build wide-input dc voltage range for auxiliary power supply(24V,50W) by flyback converter. Operation condition was 150V input and checking the each of LM5021 pins. VIN and VCC are good and well regulated…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: UCC28730-Q1: High frequency device recommendation for 750V~900V

    Hong Huang
    Hong Huang
    Resolved
    UCC28730-Q1 cannot work on 120kHz. The datasheet specifies its max switching frequency is 83.3kHz. LM5021 can achieve either 120kHz or 150kHz.
    • over 5 years ago
    • Power management
    • Power management forum
  • LM5021: Can customer utilize TINA TI to simulate how much phase margin would be there in specific schematic ?

    Masaharu Takahashi
    Masaharu Takahashi
    TI Thinks Resolved
    Part Number: LM5021 Other Parts Discussed in Thread: TINA-TI , TL431 Hi, team. i have been asked by customer as below, please tell us Q1.Can customer utilize TINA TI to simulate how much phase margin would be there in specific schematic ?
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • LM5021: Is there any limitation for cap value on SS pin?

    Masaharu Takahashi
    Masaharu Takahashi
    Resolved
    Part Number: LM5021 Hi, Team. Q1. is there any maximum value Customer can use the cap value on SS pin? Q2. for disabling skip cycle, what customer has to do is only "having 125mV" on CS pin? any other thing customer has to care ?
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
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