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  Eng Lih Khaw

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

  TPS542941: Power Good timing

  Part Number: TPS542941 Hi, Could you help to advise how long power good taken to High after Vout stable? I can see from datasheets pg10, it takes about 3ms. Please help to advise as we need to know the exact timing and the tolerance for our...
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  Hide

  • over 4 years ago
  • Power management
  • Power management forum

  TPS542941 - About VIN2

  • Resolved

  Hi Team, We applied the voltage to VIN1 only. However, around 5.0V appeared in VIN2 at the same time. Is this phenomenon correct operation? If yes, could you please let us know the reason? (For example, Is there a parasitism diode between "VREG5 output" and "VIN2"?) Regards, Kane...
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  Key Zhu

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

  TPS542941 output voltage ustable

  TI Thinks Resolved

  I was using a TPS542941 in a power module, with +5v input and outputs a 3.3v and a 1.2v DC power. The unit works fine both loaded with resistor load and without load. However after soldering to customer's mother board, some of the units experienced...
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  Vasanthan Nagarajan

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

  Query on choosing the inductor value at the output of the buck converter TPS542941

  • Resolved

  Hi, As you know, we are using the TPS542941PWPR buck converter in our design. We have 4 different voltage rails in our design. We are using the circuit based on the design from webench tool in which each voltage rail has different inductor value parts. Please let us know whether it is feasible to have...
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  penchalaiah k

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

  TPS542941 input voltage maximum level

  Hi We are using the MOV [VDRH14M014TSE] on the 12V DC input voltage to protect from the SURGE levels. The same 12VDC is connected to the power DC-DC converters VIN. In the SURGE case, the max clamping level of the MOV is 43V at 10A and the same is...
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  Eng Lih Khaw

  • over 5 years ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum

  WEBENCH for TPS542941

  Hello I visited TPS 542941 product page to key in the following condition: Vin1: Min=12.85/Max=14.15 Vout1: 5V Iout1:2A Vin2: Min=12.85/Max=14.15 Vout2: 5.2V Iout2: 3A However, WEBENCH seems cannot create the design. Could you help...
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  Eng Lih Khaw

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

  TPS542941 specification

  Hi, Good day. I would like to know below specs for TPS542941? CH2 current limit with L=4.7uH Over current wait time Hiccup time before restart Could you advise? Thanks
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  Vasanthan Nagarajan

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

  The state of the PG pin of TPS542941 when EN is low and VIN is +12V

  Dear Sir, I'm using the buck converter TPS542941PWPR in my design. I've provided the final stage PG of this converter to the FPGA's power-on-reset. I would like to know the state of the PG pin when EN is low and VIN is +12V whether it...
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  Tsukui Yusuke

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

  TPS542941/SW-GND shortcircuit

  Hi, Could you tell me about the SW-GND shortcircuit test of TPS542941. Customer has broken TPS542941 After short test. When SW-GND shortcircuit test , OCP protection of TPS542941 does not exercise it, and is TPS542941 broken? Best Regards, Yusuke...
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  Eng Lih Khaw

  • over 6 years ago
  • Power management
  • Power management forum

  TPS542941 grounding inquiry

  • Resolved

  I wish to connect 2A output of the TPS542941 to clean devices (such as USB) and 3A channel more

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