Answered

• TPS7B4254-Q1: Dropout voltage vs output current when VIN = 8.1V and VADJ=5V

  

  Shunsuke Yamamoto

  Resolved

  Part Number: TPS7B4254-Q1 Hi team, My customer has been looking for the graph of dropout voltage vs output current when VIN=8.1V and VADJ=5V. Could you please kindly confirm if we have such graph? Best regards, Shunsuke Yamamoto

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum
Answered

• TPS7B4254-Q1: question about “Line regulation, stead-state” spec

  

  Kazuhiko Hirano

  Resolved

  Part Number: TPS7B4254-Q1 Tool/software: Hello, My customer would like VADJ=5V. The datasheet 6.5 states the “Line regulation, stead-state” is 4mV at the maximum at Vin = 6V to 40V range when VADJ=5V. Figure 5 plots are also for the Vin range of 6V to…

  • Resolved

  • over 2 years ago
  • Power management
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Answered

• TPS7B4254-Q1: TPS7B4254-Q1

  

  Csongor Meszaros

  Resolved

  Part Number: TPS7B4254-Q1 Hello, we are considering to use the TPS7B4254-Q1 LDO in our design in an automotive application. I could not find a startup waveform neither in the datasheet or the EVM document. I found only one image from the forum which…

  • Resolved

  • over 3 years ago
  • Power management
  • Power management forum
Answered

• TPS7B4254-Q1: ADJ Voltage

  

  Shuhei Goto

  Resolved

  Part Number: TPS7B4254-Q1 Hi team, 2 question about ADJ: How does it work when the ADJ is less than 2V? (Disable?) Is it a problem to apply voltage to ADJ when VIN is 0V? Kind regards, Goto

  • Resolved

  • over 2 years ago
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• TPS7B4254-Q1: Output Step Issue

  

  Songzhen Guo

  TI Thinks Resolved

  Part Number: TPS7B4254-Q1 Hi Experts, TPS7B4254-Q1 is under evaluation on customer. There is a step issue on the output, could you help to check it? Thanks. Here is the schematic for TPS7B4254-Q1, this is schematic is based on 7.3.7.1 in the datasheet…

  • over 3 years ago
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• TPS7B4254-Q1: Shortcut to battery performance & protection

  

  Fausto Garcia

  TI Thinks Resolved

  Part Number: TPS7B4254-Q1 Hello, I am simulating with tracker TPS7B4254-Q1, and I have some questions, but first of all, let me clarify about you can see in the schematic in PSPICE: - I had to place high impedance resistors at NC and PAD pins to…

  • over 3 years ago
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Answered

• TPS7B4254-Q1: Maximum thermal resistance

  

  Oliver Kim7

  Resolved

  Part Number: TPS7B4254-Q1 Hello team, TPS7B4254-Q1 has thermal information as below. RθJA Junction-to-ambient thermal resistance 45.4 °C/W RθJC(top) Junction-to-case (top) thermal resistance 51.1 °C/W RθJB Junction-to-board thermal resistance 27 …

  • Resolved

  • over 5 years ago
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  • Power management forum
Answered

• TPS7B4254-Q1: Could we use less than 10uF as an output capacitor?

  

  Yoshiki Ochi

  Resolved

  Part Number: TPS7B4254-Q1 Hi team, Could we use less than 10uF as an output filter capacitor? 8.2.1.2.2 Output Capacitor illustrate this point but I wonder if less than 10uF will work or not. If you have any concern @ less than 10uF capacitance…

  • Resolved

  • over 4 years ago
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• TPS7B4254-Q1: Reverse Polarity Protection at Vin = 0 V

  

  Shinichi Yokota

  TI Thinks Resolved

  Part Number: TPS7B4254-Q1 Hello, How does TPS7B4254-Q1's reverse battery protection work at V IN = 0 V? I'm wondering if the internal back-to-back PMOS blocks a current flow from the output to the input when the V IN turns off and the V OUT won't go…

  • over 5 years ago
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  • Power management forum
Answered

• TPS7B4254-Q1: Unencrypted PSpice Model Issue

  

  Jeffrey Cutcher

  Resolved

  Part Number: TPS7B4254-Q1 Other Parts Discussed in Thread: TPS7B4253-Q1 The unencrypted PSpice Model SLVMC86.ZIP located at https://www.ti.com/product/TPS7B4254-Q1#design-development

  • Resolved

  • over 5 years ago
  • Power management
  • Power management forum

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