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  • TPS5405: Diagnosing Damaged Regulator

    TI Thinks Resolved
    Part Number: TPS5405 Other Parts Discussed in Thread: TPS54202 Tool/software: I develop a prototype PCB that included a TPS5405 to regulate voltage between an 11.1V LiPo battery and the rest of the system. I used the following set up for the regulator…

  • TPS5405: Output voltage drop to 3V

    TI Thinks Resolved
    Part Number: TPS5405 Other Parts Discussed in Thread: TPS5450 Tool/software: Hi team, My customer use TPS5405, Vin 24V to Vout 12V. They want to know under what condition Vout drop to 3V. Please suggest. Thanks.

  • TPS5405: Need a SPICE Model for above mentioned part number

    Part Number: TPS5405 Other Parts Discussed in Thread: TPS54202 Hi Team, I am writing to request a SPICE model for the TPS5405DR voltage regulator. As we are in the process of simulating our circuit design, having access to the SPICE model will help…
    • Answered

  • TPS5405: TPS54308 VS TPS5405

    Resolved
    Other Parts Discussed in Thread: TPS5405 , TPS54308 Hi, team Could you please make some comments about efficiency / thermal / EMI performance to show which is better for air-condition application? I have made a compare table (TPS54308 vs TPS5405)…
    • Resolved
    • Answered

  • TPS5405: Pulse Skipping Mode High Ripple

    Resolved
    Part Number: TPS5405 Other Parts Discussed in Thread: TPS62933P , TPS54308 , Hello, I have designed a DC/DC converter (TPS5405DR) and used it on one of my boards. At low load (<100mA) I now have a Pk-Pk voltage of 170mV with a frequency of 29k Hz…
    • Resolved

  • TPS5405: Compensation Loop design guidance missing or incomplete

    TI Thinks Resolved
    Part Number: TPS5405 Other Parts Discussed in Thread: TPS54335A , , TPS54260 , TPS54302 , TPS54202 , TPS62933 I found some difficulties while designing compensation loop. In the datasheet the information to calculate the values are missing. The hint in…

  • TPS5405: VSENSE and Compensation pin design guidance.

    TI Thinks Resolved
    Part Number: TPS5405 Other Parts Discussed in Thread: TPS54335A I have two questions regarding a design using the TPS5405 buck converter. My design is 12V Input, 5V Output. 0.5-1A current output. 1) In the datasheet for the TPS5405, Pin 5 (VSENSE) is…
    • Answered

  • TPS5405: the question about the duty cycle of TPS5405

    Resolved
    Part Number: TPS5405 Hi team TPS5405 is a fixed output DCDC, so I want to know whether the duty cycle of this type of fixed output DCDC is also the fixed, because I haven't see any description about how the duty cycle change and the range of the duty…
    • Resolved
    • Answered

  • TPS5405: reason of fsw ROSC=GND 70KHz delete

    Resolved
    Part Number: TPS5405 Other Parts Discussed in Thread: TPS5402 Hi sir, The customer wants to know why ROSC = GND typ.70khz of FSW of oscillator in the electrical characteristics table on page 5 is deleted when datasheet is updated from revA to revB…
    • Resolved
    • Answered

  • TPS5405: Doesn't work as datasheet's specification

    Resolved
    Part Number: TPS5405 Other Parts Discussed in Thread: TPS54331 Hi Ti I amd using TPS5405 with some problems: Here is what I wrote to Ti's support few days ago The COMP pin is always 0.6V, and the IC does not exit pulse skipping mode until the…
    • Resolved

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