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Showing 202 results View by: Thread Post Sort by
  • LM5122-Q1: Question about LM5122-Q1

    Jimmy Huang
    Jimmy Huang
    Part Number: LM5122-Q1 Tool/software: Hello: The above is the schematic diagram, and the following issues were encountered during use: 1. HO output waveform is very messy and not working properly 2. Without using HO to drive MOS synchronization…
    • 8 months ago
    • Power management
    • Power management forum
  • LM5122-Q1: LM5122 Quick Start Calculator

    Joseph Fuchs
    Joseph Fuchs
    TI Thinks Resolved
    Part Number: LM5122-Q1 Other Parts Discussed in Thread: LM5122 , LM5155 , Tool/software: Hello, I am working on a project using the LM5122QH and I noticed the datasheet does not provide a quick start calculator like the LM5155 provides on its datasheet…
    • 9 months ago
    • Power management
    • Power management forum
  • LM5122-Q1: Switching Frequency

    Vinod Justin
    Vinod Justin
    TI Thinks Resolved
    Part Number: LM5122-Q1 Tool/software: Hi Team, I am currently working with the LM5122-Q1 dual-phase boost controller for a design with the following specifications: Input Voltage : 12V Output Voltage : 36V Number of phase : 2 Total load current…
    • 5 months ago
    • Power management
    • Power management forum
  • LM5122-Q1: Issue with LM5122 2-Phase Boost Converter: Input Dropping to 5V, Output Retains Charge

    Vinod Justin
    Vinod Justin
    TI Thinks Resolved
    Part Number: LM5122-Q1 Other Parts Discussed in Thread: LM5122 Tool/software: Hi Team, I’ve designed a 2-phase interleaved boost converter using the LM5122QMHX/NOPB . Input: 12V Output: 36V @ 6A to 8A (no load during testing) I'm facing a strange…
    • 4 months ago
    • Power management
    • Power management forum
  • LM5122-Q1: Minimum Recommended Switching Frequency

    Guillermo Aldana
    Guillermo Aldana
    TI Thinks Resolved
    Part Number: LM5122-Q1 Other Parts Discussed in Thread: PMP , LM46002-Q1 , LM5122 Hello, I have come across a legacy design which boost from -42 to -28 volts, using a switching frequency of 30kHz (base on the resistance selected and the formulae on the…
    • 27 days ago
    • Clock & timing
    • Clock & timing forum
  • LM5122-Q1: Need Help with 3A 100V design on LM5122

    Joseph Fuchs
    Joseph Fuchs
    Part Number: LM5122-Q1 Other Parts Discussed in Thread: LM5122 Tool/software: Hi, I am currently working on a design I created using Webench Power Designer am finding that my FET and the LM5122 is not surviving. It looks like the SW pin is sinking too…
    • 9 months ago
    • Power management
    • Power management forum
  • LM5122-Q1: LM5122 minimum on-time vs current limiting

    Baudouin Bout de Marnhac
    Baudouin Bout de Marnhac
    Part Number: LM5122-Q1 Other Parts Discussed in Thread: LM5122 Tool/software: Hi, we want to use the LM5122 as a SEPIC controller. We have a mock up that works but we want to use the current cycle-by-cycle protection as a short-circuit protection. …
    • 10 months ago
    • Power management
    • Power management forum
  • LM5122-Q1: LM5122-Q1

    Radel Design Team
    Radel Design Team
    Part Number: LM5122-Q1 We are using LM5122-Q1 in one of our application to boost the input voltage and to drive the power of 250W. The LM5122-Q1 is designed to provide constant output voltage of 36V with typical input voltage of 28V to deliver power…
    • over 1 year ago
    • Power management
    • Power management forum
  • LM5122-Q1: Not working at recommended switching frequency

    Tom Howard
    Tom Howard
    Part Number: LM5122-Q1 Tool/software: I ran the TI webench power designer (18-21V in, 24V out, 8 Amps) to get a baseline design and built an eval board around these components (substituted for similar N-ch MOSFETs. I needed 60V parts for derating). It…
    • 7 months ago
    • Power management
    • Power management forum
  • Answered
  • LM5122-Q1: Help needed to design 100V 6A output power rail

    Shunsuke Yamamoto
    Shunsuke Yamamoto
    Resolved
    Part Number: LM5122-Q1 Other Parts Discussed in Thread: LM5122 , LM5155 , PMP23320 Tool/software: Hi team, My customer has been considering the power requirement below, and BU team suggested LM5122-Q1 in multiphase configuration may be the best option…
    • Resolved
    • 6 months ago
    • Power management
    • Power management forum
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