Answered

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

  

  Shun Yshizawa

  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

  • over 1 year ago
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Answered

• TPS54821: Reverse Current Protection

  

  Deniel Go

  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

  • over 1 year ago
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• TPS54821: P2P with Higher current(10A) devices

  

  Yishan Chen

  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

  • over 1 year ago
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Answered

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

  

  Deniel Go

  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

  • over 1 year ago
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• TPS54821: The output voltage is different from the design of the WEBENCH®︎ Designer

  

  Waskito djoyobisono

  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

  • over 1 year ago
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• TPS54821: Low output voltage in TPS54821RHLR

  

  NCal

  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

  • over 2 years ago
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• TPS54821: New designs assistance

  

  Amar Benhocine

  TI Thinks Resolved

  Part Number: TPS54821 Hi, I would like to have technical assistance for a design using that components TPS54821, we want confirmation that will be working properly as the simulation is telling on TI tool, we try to generate levels of tension that we…

  • over 2 years ago
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• TPS54821: Disconnect SW waveform in light load at 1000Mhz

  

  Allen Lu

  TI Thinks Resolved

  Part Number: TPS54821 Hi Team: here attach the customer test summary. can you help to check why the SW will disconnect under 1000Mhz in light load like 0.7A? tks ! TPS54821 ripple&SW issue.pptx

  • over 2 years ago
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Answered

• TPS54821: TPS54821: RT/CLK Left Floating

  

  Jack Wallace

  Resolved

  Part Number: TPS54821 I have a design with the TPS4821 that had left the RT/CLK Pin Floating. After installing a 47.5K Resistor to GND, I see the PH signal toggling @ around 1 MHz for 5 - 6 times and then switches to 500KHz. Wondering if this is in Pulse…

  • Resolved

  • over 4 years ago
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Answered

• TPS54821: Pull down EN pin

  

  ? ?

  Resolved

  Part Number: TPS54821 Other Parts Discussed in Thread: LP5912 , TPS74801 Hi ti team, I need to control the EN pin of TPS54821 by one GPIO of MCU. Before I read 7.4.1 for Enable control, I am going to pull down the EN pin by a resister to keep TPS54821…

  • Resolved

  • over 2 years ago
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