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  • UCC28951: Can it do 390V in and +/-120V out 10 A?

    Resolved
    Part Number: UCC28951 Hi Can UCC28951 take in 390V DC and convert it to two power rail +120V and -120V 10A ?
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  • PMP8740: webpage: UCC28951 not listed under products

    TI Thinks Resolved
    Part Number: PMP8740 Other Parts Discussed in Thread: UCC28951 , UCC28180 Hi, the UCC28951 is not listed under products but the UCC28180. May be you can change it. Regards, Holger

  • UCC28951: Phase-Shifted Full-Bridge primary peak current so high

    TI Thinks Resolved
    Part Number: UCC28951 Other Parts Discussed in Thread: UCC27714 Hi TIer Customer use UCC28951 to build Phase-shifted full-Bridge power supply from the 2kV/2000W. when the voltage at the input of the DC/DC stage is only 30V. the primary current of…
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  • UCC28951: UCC28951 : Voltage mode control and Spice model

    Resolved
    Part Number: UCC28951 I have a few questions regarding UCC28951 1. voltage mode control: If I am controlling the converter in voltage mode, how should I connect the CS pin? Is sensing the supply current still necessary? 2. Can I keep the SYNC…
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  • UCC28951-Q1: UCC28951-Q1

    TI Thinks Resolved
    Part Number: UCC28951-Q1 Other Parts Discussed in Thread: UCC28950 Hello design support, i have a question about the UCC28951-Q1. Is it possible to combine this IC with GaN-FETs? The idea is to use this IC to control a PSFB with Gan drivers and…
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  • UCC28951-Q1: 70V output design

    Resolved
    Part Number: UCC28951-Q1 Other Parts Discussed in Thread: UCC28951 , PMP8740 Hi, I have designed a 20V output power supply using UCC28951. It is successful. The DEMO I am referring to is TIDA-020031. While I need to design a 70V output power supply…
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  • UCC28951: Tabset calculation

    TI Thinks Resolved
    Part Number: UCC28951 Tabset etc adapative delay gradually increases as a function of the CS signal, but CS is not a DC voltage, which is changing as primary coil current. What current we need use to calculate the delay time, average current or peak current…
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  • UCC28951: Internal RAMP threshold tolerance

    Resolved
    Part Number: UCC28951 The block diagram shows an internal ramp generator creating a 0.8V to 2.8V sawtooth for the PWM comparators inverting input. Including the offset voltage and hysteresis of the PWM comparator, what are the threshold ranges for the…
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  • UCC28951-Q1: PCB LAYOUT: Gate Tracks

    Part Number: UCC28951-Q1 Other Parts Discussed in Thread: UCC28951 , UCC28180 , UCC28950 Hello, We designed the 2KW Charger using UCC28951 & UCC28180 chip. We need support and clarification on the Gate Tracks layout of the UCC28951. Please check out…
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  • UCC28951: Practical source for VDD (Vbias)

    Resolved
    Part Number: UCC28951 Other Parts Discussed in Thread: UCC27714EVM-551 Hello, Can you help me to design a practical source for VDD (Vbias) for the UCC28951 and also the associated gate driver devices. I have taken a close look at the reference designs…
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