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  • LM5069QUICK-CALC: LM5069 Design Calculator with FET Recommendation

    Resolved
    Part Number: LM5069QUICK-CALC Other Parts Discussed in Thread: LM5069 Dear team, I'm using the LM5069 Design Calculator with FET Recommendation for SOA calculation However Some of the green cells in the calculator is invalid. 1. can't set the…
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  • TPS2492: turn ON FET quicky for reduction switching loss

    TI Thinks Resolved
    Part Number: TPS2492 Other Parts Discussed in Thread: LM5069 Tool/software: Hi team, Our customer is using TPS2492. Customer wants to turn on FET quickly for reduction switching loss. Could you tell me how modify the following circuit? Regards…

  • RE: MOSFET-LOSS-CALC: Software download

    Hi Scarlett, Thanks for the inquiry. The MOSFET power loss calculator for sync buck has been replaced with a newer Excel-based tool. You can find the new tool on the MOSFET Support & training page on TI.com under Tools. For your convenience, the link…
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  • LM5145DESIGN-CALC: MOSFET loss estimation

    Resolved
    Part Number: LM5145DESIGN-CALC Other Parts Discussed in Thread: LM5145 Hello team, I have a question about LM5145 design calculator. MOSFET loss curve doesn't change when I change Qrr value of Low side FET. Only efficiency curve is changing by the…
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  • LM5148-Q1: LM5148-LM25148DESIGN-CALC - Buck Inductance

    Resolved
    Part Number: LM5148-Q1 Other Parts Discussed in Thread: LM5148 , LM5149 Hello, I'm currently using the LM5149-LM25149 Calculator for the LM5148 Buck Converter (as the LM5148 one's is not available). For the buck inductance calcul, I followed the…
    • Resolved

  • AM6442: PTP sync loss when switch mode is enable

    Part Number: AM6442 Tool/software: Hello experts, During our tests, we discovered that enabling switch mode on PRU caused us to lose PTP synchronization. We noticed that this issue is mentioned in your release notes under the entry LCPD-38572…

  • MCT8329EVM: Loss of SYNC

    Part Number: MCT8329EVM No matter what setting I make on the EVM. I am unable to control the motor over I2C. Potentiometer based speed control is also not working below a certain threshold the speed is zero after half way point it reaches a full speed…
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  • RE: BQ25751: How to design the BATFET drive circuit when the system power is off and how to design the buck boost charging FET if the charging only in buck mode.

    Resolved
    Hello Sun, sun qiyun said: Use a general purpose thick film resistor rather than an automotive metal resistor for R2 This should not be an issue, I recommend choosing one that has similar tolerance and power rating as the one used on the BQ25751…
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  • LM5146-Q1: Loss Calculation of FET when paralleling MOSFETs

    Resolved
    Part Number: LM5146-Q1 Tool/software: Hello experts, LM5146-Q1: Loss Calculation of FET when paralleling MOSFETs - Power management forum - Power management - TI E2E support forums Based on the discussion above, I wrote the equations for parallel…
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    • Answered

  • CSD88599Q5DC: Motor drive fet loss calc spreadsheet doesn't have powerblock parts

    Resolved
    Part Number: CSD88599Q5DC Other Parts Discussed in Thread: CSD88584Q5DC I discovered this spreadsheet recently and am trying to use it. I'm interested in the CSD88599 but it doesn't seem to give that as an option when I select FET Config, it only gives…
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