• LM5175: LM5175 usage in 132 V input – SW pin limitation

  

  Ajo Anto

  TI Thinks Resolved

  Part Number: LM5175 Planned to use startup resistor/ LDO to power up the LM5175 and using external gate drivers. But how to deal with the SW/SW2 pins. SW / SW2 absolute maximum rating ≈ 60 V However, in my application: The switching node…

  • 1 month ago
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• LM5175: LM5175 output very weak until reaching target voltage

  

  Sid Lori

  Part Number: LM5175 Other Parts Discussed in Thread: , LM5176 , LM5176-Q1 , TPS43060 , LM5122 Hello, I am having a perplexing issue with a buck-boost converter based around the LM5175 chip. I used TI's Webench to suggest the suitable components. The…

  • 15 days ago
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• LM5175: LM5175

  

  Netaji Patra

  TI Thinks Resolved

  Part Number: LM5175 Other Parts Discussed in Thread: LM51772 , Tool/software: We are developing the 65 Watt 1C Mobile Chargers for Automobile Application Input Voltage Range: 12VDC (10VDC - 15V DC) Output Voltage Range: 3.3VDC - 21VDC Output Current…

  • over 1 year ago
  • Power management
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Answered

• LM5175: Help with Output Ripple in LM5175 Buck-Boost Circuit

  

  Sadaharu Kanda

  Resolved

  Part Number: LM5175 Tool/software: Hi there, I'm working on a buck-boost converter using the LM5175 with the following specs: Input: 4.5-16V Output: 5V/10A max Switching frequency: 500kHz I'm seeing an output ripple of about 100-150 mVpp at around…

  • Resolved

  • 11 months ago
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• LM5175: LM5175 for Constant Current Constant Voltage Charger

  

  Zheng Hao Chin

  Part Number: LM5175 Tool/software: Hi, I would like to use the LM5175 IC to make a CC/CV battery charger. I understand that I am able to get CC by using the average output current limiting function. If I were to use the LM5175 for charging, will it charge…

  • over 1 year ago
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• LM5175: LM5175 simulation model pin 29

  

  Pete Rau

  TI Thinks Resolved

  Part Number: LM5175 Tool/software: What do I do with this pin. Error says PAD needs two connections?

  • over 1 year ago
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• LM5175: output voltage issues - Overvoltage

  

  Bodo Scheubel

  TI Thinks Resolved

  Part Number: LM5175 Hey, we are facing some malfunction issues with the LM5175PWPR on our PCB. The error occurred more than once after we got our devices back from the customer. We have no clear customer usage statement of what happened. We assume that…

  • 5 months ago
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Answered

• LM5175-Q1: Comaprison to LM34936-Q1

  

  Katharina Ehmke

  Resolved

  Part Number: LM5175-Q1 Other Parts Discussed in Thread: LM34936-Q1 , , LM5157-Q1 , LM5175 , LM34936 , LM5176 , LM51770 , LM51772 Hi team, can you narrow down the differences between LM5175-Q1 and LM34936-Q1? I see there is different max. voltage rating…

  • Resolved

  • 4 months ago
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• LM5175: EMI test exceeds the standard

  

  Lumina Gui

  Part Number: LM5175 Dear TI Engineer, We found that the EMI test of LM5175 exceeded the standard when implementing 12V-24V input and 19V/4A output. The schematic is as below: LM5175 Schematic.pdf We parallel RC circuits before and after the…

  • 7 months ago
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• LM5175: Average current limiting

  

  Massimo Tellaroli

  TI Thinks Resolved

  Part Number: LM5175 Tool/software: I have a problem with cycle-by-cycle average current limiting. According to the quickstart tool, I should use a 10 mΩ sense resistor to get a protection current of about 9 A. However, when I lower the input voltage to…

  • 9 months ago
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