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  • UCC28C43: Substitute for UCC28C43

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    Part Number: UCC28C43 Hi, Currently, we are planning to construct a circuit using UCC28C43 and LDO to develop a power supply module. LDO is used to lower the voltage from -24V to satisfy the power supply voltage range of UCC28C43. Could you tell me…
    • Resolved

  • UCC28C43：Why does the MOSFET heat up when using the UCC28C43 in high-frequency push-pull converters?

    TI Thinks Resolved
    Part Number: UCC28C43 Tool/software: Hi engineers, I’m working on a high-frequency push-pull converter using the UCC28C43 PWM controller, targeting around 100kHz operation for a compact power supply. I noticed that the MOSFETs are getting unusually…

  • UCC28C43: How to Optimize EMI and Heating in Push-Pull UCC28C43 + UCC27714 Design?

    TI Thinks Resolved
    Part Number: UCC28C43 Other Parts Discussed in Thread: BQ34Z100-G1 , UCC27714 , , CSD19502Q5B Tool/software: Hi team, Using BQ34Z100-G1 + UCC28C43 (controller) + UCC27714 (driver) + CSD19502Q5B NexFETs in a 100W push-pull isolated DC-DC (24V→12V/8A…

  • UCC28C43：UCC28C43 Push-Pull Design: EMI Remains High – What Are Proven Effective Methods?

    TI Thinks Resolved
    Part Number: UCC28C43 Other Parts Discussed in Thread: BQ34Z100-G1 , UCC27714 , Tool/software: 在 BQ34Z100-G1 + UCC28C43 + UCC27714 + NexFET 推挽隔离式 DC-DC （24V→12V/8A， 100kHz） 中： 180-250 MHz 的 EMI 尖峰很难抑制。添加缓冲器会有所帮助，但会导致高损失。 布局和筛选已得到优化，但测试要求仍未得到满足。 问题：…

  • UCC28C43: How to control EMI spikes and MOSFET heating in push-pull with UCC28C43?

    TI Thinks Resolved
    Part Number: UCC28C43 Other Parts Discussed in Thread: BQ34Z100-G1 , UCC27714 , , CSD19502Q5B Tool/software: Hi all, Using BQ34Z100-G1 + UCC28C43 + UCC27714 + CSD19502Q5B in a 100W push-pull isolated DC-DC (24V→12V/8A, 100kHz) , I see: Strong…

  • UCC28C43：Why does the MOSFET heat up when using the UCC28C43 in high-frequency push-pull converters?

    TI Thinks Resolved
    Part Number: UCC28C43 Tool/software: 大家 好， 我目前正在从事一个涉及高频推挽转换器的项目，我使用UCC28C43作为控制器。然而，我遇到了一个问题，即电路中的 MOSFET 在运行过程中会显着发热，我希望能够深入了解可能的原因和解决方案。 ​ 首先，让我提供一些关于电路参数和工作条件的详细信息。转换器的开关频率设置为 200kHz。输入电压为30V DC，输出设计为15V DC，最大输出电流为8A。我使用的MOSFET是IRF3205的，漏源电压额定值为55V…

  • UCC28C43：Why does the UCC28C43 often cause large gate drive spikes on MOSFETs in push-pull configurations?

    TI Thinks Resolved
    Part Number: UCC28C43 Tool/software: Hi team, While debugging a classic current-mode PWM controller in a push-pull topology , I’ve noticed significant high-frequency spikes on the MOSFET gate signals, sometimes reaching nearly half of the supply voltage…

  • UCC28C43: UCC28C43 Compensation Question

    TI Thinks Resolved
    Part Number: UCC28C43 Other Parts Discussed in Thread: TL431 Tool/software: Dear Sir, I have compensation question about UCCx8C4x between below figure. How do I choose a compensation network? What’s the difference between these? 1. FB is connected…

  • UCC28C43: 1824880-00

    TI Thinks Resolved
    Part Number: UCC28C43 Tool/software: We have the component 1824880-00 IC SMD UCC28C43QDRQ1 SO8, with different markings. Please let me know what the different graphics mean

  • UCC28C43: Debugging High-Frequency EMI and Thermal Issues in BQ34Z100-G1 + UCC28C43 Push-Pull Isolated DC-DC Design

    TI Thinks Resolved
    Part Number: UCC28C43 Other Parts Discussed in Thread: BQ34Z100-G1 , UCC27714 , , CSD19502Q5B Tool/software: Hello engineers, I’m working on a 100W isolated push-pull DC-DC converter (24V in, 12V/8A out, 100kHz) using BQ34Z100-G1 for battery management…

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