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  • TPS53915: About /ALERT pin pull up condition

    Resolved
    Part Number: TPS53915 Hi, Could you tell me about TPS53915 /ALERT pin? 1.Is this pin open drain? 2.Is the pull-up voltage 1.8 V good enough? And Please tell me the recommended value of pull-up resistor. I believe that /ALERT pin conform to the PMBus standard…
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    • Answered

  • TPS53513: Pins 27 & 28 configuration

    Resolved
    Part Number: TPS53513 Other Parts Discussed in Thread: TPS53915 , I would like to make a design to place either the TPS53915 or the TPS53513. Question abotu pins 27 & 28 when using the TPS53513 - if these are connected to I2C pins of a micro or FPGA and…
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  • TPS53915: MODE Pin usage and Floating of PMBUS signals

    TI Thinks Resolved
    Part Number: TPS53915 Hi, Please find the attached schematic that generated using WEBENCH. The circuit is designed for 400KHz switching frequency with 12V input and the expected output is 1Volt at 8.5Amps . Q1. Why is the MODE pin connected to VREG through…
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  • TPS53915: Splitting power rails

    Resolved
    Part Number: TPS53915 As pointed on the page 16 of datasheet the input voltage range (VIN) of TPS53915 can be from 1.5V to 18V, and the bias voltage (VDD) ragges from 4.5V to 25V. On the other hand from power supply recommendations on the page 40 follows…
    • Resolved

  • TPS53915: about internal Rvrm and Lvrm

    Part Number: TPS53915 Hi, Could you tell me about TPS53915 internal Rvrm and Lvrm spec? Customers want that information for Altera's PLD tool. Could you give me a reference value for entering into the tool? I understand this value as information based…

  • RE: TPS549A20: store to NVM or set everytime

    Hi Fred, They are all popular devices used in server applications. However, since you initially chose TPS53915, a 12A device, I would suggest TPS544B20. TPS546C20A, TPS546C23: 35A, 2x stackable TPS546A24A, TPS546B24A, TPS546D24A A is 10A, 4x stack…

  • TPS53915 / Tolerance of VOUT_ADJUSTMENT

    Hi, Please let me ask about tolerance of VOUT_ADJUSTMENT. Is following my understanding correct? In case of +9% adj with VDACTOL1( typ ) : Vref = 600mV + 54mV = 654mV (+9%) In case of +9% adj with VDACTOL1( min ) : Vref = 600mV + 54mV - 4.8mV = 649.2mV (+8.2…
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  • TPS53915 TINA-TI Simulation Convergence Issue

    Resolved
    Other Parts Discussed in Thread: TPS53915 , TINA-TI I downloaded the TPS53915 reference design for TINA-TI simulation and I get a convergence error at 1ms (52% completion). I have made no modifications to the circuit, so I expected no issues. Any idea why…
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    • Answered

  • TPS53915 VDD Current Draw (switching)

    Resolved
    Other Parts Discussed in Thread: TPS53915 The spec for the TPS53915 describes I-VDD as 1850uA-max, but with "Power conversion enabled (no switching)". Not sure what this means and I need to know what the maximum VDD current is when there is switching.…
    • Resolved

  • TPS53819A / TPS53915

    Other Parts Discussed in Thread: TPS53915 , TPS53819A Dear Sir We would like to design TPS53819A and TPS53915 for PMBUS solution If we don't connect PMBUS interface ,Could I use these by H/W setting or I have to program register ? Thanks

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