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  • TPS54821: TPS54821

    TI Thinks Resolved
    Part Number: TPS54821 Hello, I would like to use TPS54821 IC to generate -3V from 6 V for a kind of high current (5-6A) max 8A application. For this purpose I have already ordered TPS54821-EVM-0049. I would like to check with this EVM that -3V is…

  • TPS54821: Parallel multiple converters

    TI Thinks Resolved
    Part Number: TPS54821 Other Parts Discussed in Thread: TPS546E25 , TPS546D24A Tool/software: I would like thoughts on the potential for parallel-ing the outputs of up to six TPS54821 buck converters. The goal is to create a 0.8V 48A supply rail for an…

  • TPS54821: VOUT powered without VIN

    Part Number: TPS54821 Tool/software: Hi I want to ues TPS54821 to generate 5VDC at VOUT, VIN=12V, due to the need for testing, I need to supply a external 5V directly to VOUT, VIN will be powered off, so can I do this? Would it damage the TPS54821?…
    • Answered

  • TPS54821:Is TPS54821 broken if frequently power on/off?

    Resolved
    Part Number: TPS54821 Hello, We are thinking to use relay for TPS54821’s Vin on/off. Is TPS54821 broken if frequently power on/off? We are need to “Slow-start” function, so for that frequently Vin on/off Is required. I will show you a reference…
    • Resolved
    • Answered

  • TPS54821: Some question about overvoltage

    Resolved
    Part Number: TPS54821 Other Parts Discussed in Thread: AFE7921 , Tool/software: Hi, We used TPS54821 to power up AFE7921,but when I reset our AFE7921,the Voltage will drops.The AFE7921 power up must be follow Power-on sequence,the datasheet suggest…
    • Resolved
    • Answered

  • TPS54821: Reverse Current Protection

    Resolved
    Part Number: TPS54821 Hello TI Engineers, Can I operate the TPS54821RHLR circuit as shown below? Here are the details of the block diagram 1. The TPS54821 Circuit is designed for 12V Input Voltage and 7.5V Output Voltage 2. The same BUCK output…
    • Resolved

  • TPS54821: P2P with Higher current(10A) devices

    TI Thinks Resolved
    Part Number: TPS54821 Other Parts Discussed in Thread: TPS54622 , , TPS548B28 , TPS53353 , TPS54KB20 , TPS56C215 Tool/software: Hi, Do we have P2P with TPS54622 but with higher current(10A) devices regarding to TPS54622？ Thank you， Yishan Chen
    • Answered

  • TPS54821: Request for Layout Review of circuit with Reverse Current Protection

    Resolved
    Part Number: TPS54821 Other Parts Discussed in Thread: BQ24133 Tool/software: Hello TI Engineers, I would like your assistance with reviewing the layout of the TPS54821 circuit. This is a related to a previous post I made about introducing a reverse…
    • Resolved

  • TPS54821: The output voltage is different from the design of the WEBENCH®︎ Designer

    TI Thinks Resolved
    Part Number: TPS54821 Hello, In my case i have problem with assembled from my design Input 12V but output show 1V I followed WEBENCH® Designer and added a little custom this my schematic Thanks

  • TPS54821: Low output voltage in TPS54821RHLR

    TI Thinks Resolved
    Part Number: TPS54821 Hello, In my design I use TPS54821 to convert from 12V to 8V. Unfortunately the output voltage not stable around 2V instead 8V Thanks

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