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  • UCC5871-Q1: question about UVLO1_LEVEL and OVLO1_LEVEL setting configuration

    Resolved
    Part Number: UCC5871-Q1 Tool/software: hi expert when i use 5V to supply UCC5871 VCC1. whether can i set UVLO1_LEVEL=0x0 and set OVLO1_LEVEL=0x0 at the same time? thanks
    • Resolved
    • Answered

  • UCC5871-Q1: question about power rail detection and recovery

    Resolved
    Part Number: UCC5871-Q1 Tool/software: hi expert taking UVLO of VCC2 fault as an example, assuming a situation(VCC2 UVLO fault is masked, don't report to NFLT1 ). at the beginning of power up, VCC2 is ok and normal, during UCC5871 working, VCC2 UVLO…
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    • Answered

  • UCC5871-Q1: What is the fastest way to get the first switching before my own SPI communication is ready.

    Resolved
    Part Number: UCC5871-Q1 Other Parts Discussed in Thread: UCC5880-Q1 Tool/software: e2e.ti.com/.../faq-ucc5880-q1-benefits-of-ucc5880-over-ucc587x Knowing that UCC587x needs the SPI communication to be able to start working, what is the fastest way…
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  • UCC5871-Q1: question about read CMD by broadcast solution

    Resolved
    Part Number: UCC5871-Q1 Other Parts Discussed in Thread: UCC5880-Q1 hi expert i want to check with you about the following yellow marked words: MCU cannot send RD_DATA by broadcast solution. right?
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    • Answered

  • UCC5871-Q1: Maximum Switching frequency

    Resolved
    Part Number: UCC5871-Q1 Other Parts Discussed in Thread: UCC5880-Q1 Hello, We would like to use the UCC5871-Q1 in an inverter application, and we would like to use it at 64Khz. We were wondering how did you fix the maximum switchnig frequency at 50kHz…
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  • UCC5871-Q1: OV on Vds of external MOSFET

    TI Thinks Resolved
    Part Number: UCC5871-Q1 Hi experts: For the application of ucc5871-Q1, we have some issue. As the picture showed below, When the short circuit happens, we will open the SIC-MOSFET, there will be a high voltage at Vds of MOSFET because of parasitic loop…

  • UCC5871-Q1: Over voltage on Vds of external MOSFET

    TI Thinks Resolved
    Part Number: UCC5871-Q1 Hi Expert, For the application of ucc5871-Q1, we have some issue. As the picture showed below, When the short circuit happens, we will open the SIC-MOSFET, there will be a high voltage at Vds of MOSFET because of parasitic loop…
    • Answered

  • UCC5871-Q1: question about UVLO/OVLO of VCC1 fault

    Resolved
    Part Number: UCC5871-Q1 hi expets according to datasheet, if UVLO/OVLO of VCC1 fault occur, the SPI cannot be read by MCU. in this situation, how to get the UVLO/OVLO of VCC1 faults data?
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    • Answered

  • UCC5871-Q1: question about UVOV value during ABIST phase

    Resolved
    Part Number: UCC5871-Q1 hi experts i saw the following words in datasheet. so during ABIST phase, what is the UVOV value ? (do these OVUV value is default value from related regiters? taking VCC1 UVLO as an example, when in ABIST, VCC1 UVLO is…
    • Resolved

  • UCC5871-Q1: Power management forum

    TI Thinks Resolved
    Part Number: UCC5871-Q1 If we drive the SiCMOSFET with 18V and -5V from ucc5871, can the Miller clamp protection function active? And from the pic above, What is the ground for ISTO, is it VEE2?

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