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Showing 58 results View by: Thread Post Sort by
  • UCC21225A: UCC21225A OUTA pin output abnormality

    jeno.zhang
    jeno.zhang
    Part Number: UCC21225A Hi, The voltage of the VCCI pin of UCC21225A is 9.5V, the voltage of the VDDA and VDDB pins is 11.2V, the Disable pin is connected to the ground, and the INTA and INTB pins provide input signals. The OUTA output is abnormal (no…
    • over 1 year ago
    • Power management
    • Power management forum
  • UCC21225A: Negative Voltage Spike in Overcurrent Condition

    Francis Jiang
    Francis Jiang
    TI Thinks Resolved
    Part Number: UCC21225A Tool/software: Hi Team, When overcurrent condition, the negative voltage spike will exceed -2V ABS MAX value, reach -6V in 20ns, whether this is allowable? if not, what's the allowable max value? Thanks in advance. BRs, F…
    • 10 months ago
    • Power management
    • Power management forum
  • Answered
  • UCC21225A: Wrong sync rectifier gate connections

    Marcello Deluca
    Marcello Deluca
    Resolved
    Part Number: UCC21225A Other Parts Discussed in Thread: LM5045 Tool/software: We use two UCC21225 chips to drive 4 synch rectifier MOSFETs in a full bridge config., using a transformer single winding output (no center tap). One LM5045 controls two UCC21225…
    • Resolved
    • 10 months ago
    • Power management
    • Power management forum
  • UCC21225A: next gen of UCC21225A

    Given Ding
    Given Ding
    TI Thinks Resolved
    Part Number: UCC21225A Hi Team, Is there p2p next gen of UCC21225A? Thanks. BRs Given
    • over 2 years ago
    • Power management
    • Power management forum
  • UCC21225A: power dissipation and cooling

    Marcello Deluca
    Marcello Deluca
    TI Thinks Resolved
    Part Number: UCC21225A Tool/software: Do you have a good examples of PCB layout to achieve good cooling? This part has high current capability but low power capacity / high thermal resistance.. Alternatively is there a part with similar function …
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UCC21225A: FMEA information of UCC21225A

    Conor
    Conor
    Resolved
    Part Number: UCC21225A Hi, Do you have any information on FMEA for UCC21225A during open and short abnormalities? Thanks, Astro
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • UCC21225A: Issues with LTSpice simulation

    Dakota Abernathy
    Dakota Abernathy
    Part Number: UCC21225A Other Parts Discussed in Thread: TINA-TI , UCC21550 Hello, I downloaded the UCC21225A PSpice Transient Model and converted it into an LTSpice model using the method described here: https://www.onethesis.com/how-to-create-an…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UCC21225A: UCC21225A'S DT pin query..

    Anusha G A
    Anusha G A
    Resolved
    Part Number: UCC21225A Please let me know what will be the dead time when 0ohm is connected b/n DT pin and GND
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • UCC21225A: High side PWM is lost during startup

    Emma Wang
    Emma Wang
    TI Thinks Resolved
    Part Number: UCC21225A Other Parts Discussed in Thread: UCC27624 , UCC21520 Hi expert, My customer used UCC21225A as functional isolation to eliminate the effect of ground bounce when hard switch off for their DAB topology. And they connect the OUT…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UCC21225A: Smaller solution than UCC21225A

    Ella KIM
    Ella KIM
    Resolved
    Part Number: UCC21225A Other Parts Discussed in Thread: UCC21220 , UCC21222 Hi, My customer is using UCC21225A but looking for another device in parallel because of the supply constraint. The smaller package is preferred. It looks for me UCC21225A…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
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