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  • 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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    • Answered

  • LM5143-Q1: Frequency sync signal for inverting buck-boost supply

    Resolved
    Part Number: LM5143-Q1 Hello, Can LM5143-Q1 accept ac coupled frequency sync signal? I'm designing an inverting buck-boost power supply using this device. Do I need to level shift frequency sync signal to -Vout? Thanks, Shaury
    • Resolved

  • Looking for medium voltage, external FETs, synchronous & capable of sinking current, buck-converter (for TEC / peltier driver)

    TI Thinks Resolved
    Other Parts Discussed in Thread: TPS55288 Hello, I'm evaluating some options for driving a TEC / peltier device. One such option is a buck converter, as opposed to H-bridge / motor-driver / etc. Ability to sink current is strictly necessary. External…
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  • GaN FET for high-current buck converter

    Resolved
    Hello, My customer is asking if it is possible to increase efficiency by using GaN FETs for high-side and low-side FETs of high-current step-down converters. He also wants to know if TI may develop such a product in the future. Please provide input from…
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  • SN65DP159: Can the SN65DP159 report PLL sync loss?

    Resolved
    Part Number: SN65DP159 Other Parts Discussed in Thread: TDP142 , SN65DP141 We are looking at the SN65DP159 as an in-line DP to DP equalizer and we would like to monitor the PLL Control and Status Registers (address = 0x00) bit 7 "PLL_CLOCK" to identif…
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  • LM5143DESIGN-CALC: body diode reverse loss calculation

    TI Thinks Resolved
    Part Number: LM5143DESIGN-CALC Other Parts Discussed in Thread: LM5143-Q1 , LM5145 Hi team, here is two confusing items of LM5143q design: 1.there is a descripton as following in the datasheet what seems not to make sense, actually it suppose that there…

  • LM5140ADESIGN-CALC: FET Selection

    TI Thinks Resolved
    Part Number: LM5140ADESIGN-CALC Other Parts Discussed in Thread: LM5143-Q1 , LM5140-Q1 Hi Experts, the LM5140ADESIGN-CALC seem to always recommend the same FET. Even when Vin is exceeding the max voltage of the IPC50N04. Is there an issue or is this part…
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  • LMG3425R030: The disadvantage of Sync-FET Mode

    Resolved
    Part Number: LMG3425R030 Hi, I think that it is better to have the Sync-FET mode. What is the disadvantage of Sync-FET Mode? Best Regards, Kuramochi
    • Resolved

  • CC1310: TI15.4 Beacon MODE, some times sensor will loss 4 beacons and sync again

    TI Thinks Resolved
    Part Number: CC1310 Hello, I have a problem that with TI15.4 STACK, Beacon MODE, some times sensor will loss 4 beacons. But I checked the RSSI signal, it is good! I route out LNA active pin to gpio. And I find that in sensor side, the beacon receive windown…
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  • LM5176-Q1: FET loss calculation question

    Resolved
    Part Number: LM5176-Q1 Hi, I have a question about loss calculation as follows. When in buck mode, Why is QL1 calculated only as conduction loss? (Is QL1 calculated as conduction by replacing diode in buck mode?) Shouldn't switching loss be considered?…
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