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  • UCC27211A-Q1: Rise Time

    TI Thinks Resolved
    Part Number: UCC27211A-Q1 Hello Team, My customer would like to know the correct rise time for UCC27211A-Q1? The Product page and part finder show different values compare to the datasheet. Also just want to make sure if they can drop this part into a…

  • UCC27211A-Q1: can it support over 1MHz frequency?

    TI Thinks Resolved
    Part Number: UCC27211A-Q1 Other Parts Discussed in Thread: UCC27211 , UCC27517A-Q1 , LMG1210 , LMG1205 , UCC27211A , UCC27289 Hello TI experts, My customer want to design the amplification circuit using half-bridge driver and MOSFET. they drew a diagram for…

  • UCC27211A-Q1: Calculation for DC link capacitors

    TI Thinks Resolved
    Part Number: UCC27211A-Q1 Hi, We are designing a 48V, 350A (RMS current) ACIM controller. Do you have any documents that I can use for the DC link capacitor calculation? Right now I have used 20 capacitors of 2.5A each with a value of 820uF. Can you help…
    • Answered

  • UCC27211A-Q1: Minimum Bootstrap Charge Up time

    Resolved
    Part Number: UCC27211A-Q1 hi Sir/Miss, May I know what is the minimum Bootstrap Charge Up time for UCC27211A-Q1 HSD with 0.1uF capacitor? I cannot find it anywhere in the datasheet. regards Wilson.
    • Resolved

  • UCC27211A-Q1: Can the HS Bootstrap drives two FETs?

    TI Thinks Resolved
    Part Number: UCC27211A-Q1 hi Sir/Miss, Is it possible to drive two similar HS FETs with Bootstrap? Gate charge is now 2 times. Is the calculation below correct? Gate capacitance, C = (Gate charge x 2) / (VDD - Vboot diode) Bootstrap capacitance > 10 x Gate…

  • UCC27211A-Q1: Reducing ripples

    TI Thinks Resolved
    Part Number: UCC27211A-Q1 Other Parts Discussed in Thread: CSD18537NKCS , , UCC27282 Hi, I'm using UCC27211A-Q1 to drive two N-channel MOSFETs (CSD18537NKCS) synchronously. I want to reduce the ripples for the switching waveform. Please find the attached…

  • UCC27211A-Q1: ucc27211

    TI Thinks Resolved
    Part Number: UCC27211A-Q1 Other Parts Discussed in Thread: UCC27211 want to design a buck_boost (synchronous) converter using ucc27211 as gate driver but having issue to drive the boost side mosfet since have to take boost output from the drain terminal…

  • UCC27211A-Q1: UCC27211

    TI Thinks Resolved
    Part Number: UCC27211A-Q1 Other Parts Discussed in Thread: CSD18535KCS , UCC27211 Dear Sir, I am using UCC27211 to drive the High side MOSFET CSD18535KCS. I am getting peak to peak output Voltage which is equal to the input voltage to UCC , rather than…
    • Answered

  • RE: UCC27211A-Q1: How to calculate boot cap value?

    Resolved
    Hi Mamadou, For UCC27211A-Q1, can boot cap > 0.1uF? Can boot cap < 0.022uF?

  • UCC27211A-Q1: UCC27211A-Q1, Short-Time Input Pulse, Internal Level Shifter

    TI Thinks Resolved
    Part Number: UCC27211A-Q1 Hello, I am designing with UCC27211A-Q1. In case of very short timed inputs at HI with < 50 ns is there a chance that the falling-edge is missed by the gate driver leading to a stuck HO-output and possibly causing shoot-through…

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