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Showing 5,422 results View by: Thread Post Sort by
    Answered

  • SYNC-BUCK-FET-LOSS-CALC: Questions Regarding Power Loss Calculation in SYNC-BUCK-FET-LOSS-CALC Tool

    Resolved
    Part Number: SYNC-BUCK-FET-LOSS-CALC Tool/software: Hello Support Team, I am trying to estimate the losses in a buck converter. I used to perform the calculations manually and relied on my own Excel sheet, based on the references listed below, to optimize…
    • Resolved

  • LOAD-SWITCH-FET-LOSS-CALC: LOAD-SWITCH

    Part Number: LOAD-SWITCH-FET-LOSS-CALC Other Parts Discussed in Thread: CSD25480F3 , CSD25483F4 Tool/software: Hello I need your help I'm designing a pcb board and it needs to have the ability to switch between 2 devices. General characteristics: DC…

  • RE: LM5143DESIGN-CALC: Low side MOSFET switching loss

    Will do, thanks Darshan.

  • RE: TPS40210: Boost - very high losses in MOSFET at load

    Hi I R, I am sorry to hear the efficiency and stability issues did not improve. The burst switching could also be the regular light load behavior. If the minimum on-time gets too low, the device will switch in bursts and the stops for a longer period of…

  • PMP23338: Baby Boost and NTC Bypass FETs

    Part Number: PMP23338 Other Parts Discussed in Thread: UCC21220 Tool/software: Hi, 1. I want to use ISSI20R11H ( https://www.infineon.com/dgdl/Infineon-iSSI20R0xH_iSSI20R11H_iSSI30R1xH-DataSheet-v01_01-EN.pdf?fileId=8ac78c8c8d2fe47b018d45642dcd187e ) as…
    • Answered

  • BQ25756: In buck mode, how is the HS BOOST FET always ON if the HS BOOST FET is driven by a bootstrap circuit which needs to be refreshed?

    Resolved
    Part Number: BQ25756 Tool/software: Datasheet Table 8-1 "Switching MOSFET Operation" states that the LS BOOST FET is OFF and the HS BOOST FET is ON when the charger is operating in Buck mode. Section 8.2 "Functional Block Diagram" shows that…
    • Resolved

  • 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, …
    • Answered

  • 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 EVM. …

  • TPS92682-Q1: CV BOOST configuration during SPI loss

    TI Thinks Resolved
    Part Number: TPS92682-Q1 Tool/software: a) During the Normal Operation Mode when there is SPI loss between CV BOOST and Microcontroller, whether the CV BOOST can able to still maintain the Output? and CV BOOST Register values will be default values or…
    • Answered

  • CSD19501KCS: MOTOR-DRIVE-FOC-FET-LOSS-CALC

    Resolved
    Part Number: CSD19501KCS Hello, TI team. Thanks a lot to your team for sharing so many valuable design reference documens. I am studying "MOTOR-DRIVE-FOC-FET-LOSS-CALC" for cross check MOSFET power loss. Some calculation equations confuse me…
    • Resolved
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