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  • UCC21550: Facing issue with Half bridge gate driver circuit using UCC21550

    TI Thinks Resolved
    Part Number: UCC21550 Hello Team, I am using UCC21550BDWKR for my half bridge driving in LLC full bridge converter (120kHz freq). I am using bootstrap power supply concept as per datasheet for driving all the four MOSFET using 2 gate driver and single…
    • Answered

  • UCC21550-Q1: UCC21550-Q1 with 120 V high-side B2B NMOS — simulation not working as expected

    Resolved
    Part Number: UCC21550-Q1 Other Parts Discussed in Thread: UCC21550 Hi, I am testing the UCC21550-Q1 for a 120 V high-side back-to-back NMOSFET switch . The two MOSFETs are connected drain-to-drain, and I am using two independent 15 V floating supplies…
    • Resolved

  • UCC21550-Q1: UCC21550-Q1 Input INB Pulled Low at 125°C Ambient Temperature

    TI Thinks Resolved
    Part Number: UCC21550-Q1 Hi TI support team, we are using the UCC21550CQDWKRQ1 isolated half-bridge gate driver to drive a SiC half-bridge. Gate driver supply is done by a push-pull transformer stage: VDDA to VSSA: +15V / -5V VDDB to VSSB: +15V / -5V…
    • Answered

  • UCC21550: Isolation distance for 800V application

    Resolved
    Part Number: UCC21550 Other Parts Discussed in Thread: UCC21551-Q1 Hi Experts, Our customer is investigating to apply UCC21550 in 800V DC application, but they found that the distance between two channal PIN is smaller than 4mm, which is required in…
    • Resolved
    • Answered

  • UCC21550: NSI6602G Attack Plan

    Resolved
    Part Number: UCC21550 Hi Team, Currently, customer used NSI6602G in AIDC IBC project, and he mentioned some points I would like to sync up with you: NSI6602G has 200V/ns CMTI, as UCC21550 only shows 125V/ns min CMTI. What's the actual gap here?…
    • Resolved

  • UCC21550: Support for Production Selection

    TI Thinks Resolved
    Part Number: UCC21550 Other Parts Discussed in Thread: UCC5350 , UCC5320 , UCC5310 Hello TI Team, We are currently using the UCC21550 gate driver to drive the NTP5D0N15MC MOSFET . However, we now require a single-channel gate driver IC with same specifications…
    • Answered

  • UCC21520: UCC21520 or UCC21550

    Resolved
    Part Number: UCC21520 Other Parts Discussed in Thread: UCC21550 , , UCC5390 , UCC5350 I was initionally going to use UCC21520 in my application but i noticed a UCC21550 is newer and supplier has more stock. I cant any difference except for the DT resistor…
    • Resolved

  • UCC21550: Request for Failure Rate and Failure Mode Data for UCC21550 Gate Driver.

    TI Thinks Resolved
    Part Number: UCC21550 Other Parts Discussed in Thread: UCC21551-Q1 Tool/software: Hello TI Team, I am currently working on a design that incorporates the UCC21550 isolated gate driver , and I would like to request the following reliability-related information…
    • Answered

  • UCC21550: Low secondary current isolated mosfet gate drivers (UCC21550, ...)

    Resolved
    Part Number: UCC21550 Other Parts Discussed in Thread: UCC21551 Tool/software: Dear all, I must develop an AC high voltage function generator with maximum 600Vrms @ 400Hz, i.e. 1700Vpp sine, with a 3Mohm load (0.2mArms). I have already a programmable…
    • Resolved

  • UCC21550: Using UCC21550 as a full-bridge gate driver

    TI Thinks Resolved
    Part Number: UCC21550 Other Parts Discussed in Thread: UCC21530 Tool/software: Hi, We are currently considering the adoption of UCC21550, and would like to confirm the following points: Is it possible to use two units of UCC21550 to drive…

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