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  • TPS43351-Q1: TPS43351-Q1

    TI Thinks Resolved
    Part Number: TPS43351-Q1 Hi , 1. could you help me to get the failure rate of TPS43351-Q1? 2. hot to calculate its fit？what is the standard? 3. how many transistors are included in the Power IC? thanks !
    • Answered

  • TPS43351-Q1: KFLR (Coil Selection Constant)

    Resolved
    Part Number: TPS43351-Q1 Dear Sirs Section 8.2.2.2, K FLR (Coil Selection Constant) = 200, What is this referring to and what is the range? K FLR I'm trying to keep the I out ripple and V out ripple down, so I’d like to increase the inductance. Does the …
    • Resolved
    • Answered

  • TPS43351-Q1: PMIC selection

    Resolved
    Part Number: TPS43351-Q1 Other Parts Discussed in Thread: TPS650864 , TPS51285B , , TPS650860EVM-116 , TPS53125 , TEST Dear Sirs I'm currently in the power management design stage for the Xilinx Zynq UltraScale MPsoc. I plane to use the TPS650864 to power…
    • Resolved
    • Answered

  • TPS43351-Q1: Behaviour doubts

    Resolved
    Part Number: TPS43351-Q1 Other Parts Discussed in Thread: TPS43331-Q1 , Hi All, I'm designing the power supply of a Jacinto6-based board and I'm using the TPS43331-Q1 as a first-stage regulator to provide 3V3 and 5V0 to my circuit. Unfortunately…
    • Resolved

  • TPS43351-Q1: TPS43351-Q1 Shut down current

    TI Thinks Resolved
    Part Number: TPS43351-Q1 Hi team, Could you please help to check, for the shut down current when both BUCK A/B are off, is it means the current only flow into VBAT pin, or both VIN and VBAT pin?

  • TPS43351-Q1: Power management forum

    TI Thinks Resolved
    Part Number: TPS43351-Q1 TPS43351 outputs 3.3.v/2A, of which C533 C536 is tantalum capacitor and C35 C34 C38 37 is ceramic. At present, in order to reduce the cost of the project, is this side of the capacitor not needed so much, redundant…
    • Answered

  • TPS43351-Q1: Could using spread spectrum stop a second TPS43351-Q1 from synchronizing its switching frequency?

    Resolved
    Part Number: TPS43351-Q1 Dear TI, (but likely Gordon), In the same circuit used in my previous post, I have two TPS43351-Q1's. One is the master, with its SYNC pin connected to its VREG pin so that it's always in CCM. The Channel 2 low side gate drive…
    • Resolved
    • Answered

  • TPS43351-Q1: Filter resistor and capacitor selection for DCR sensing

    Resolved
    Part Number: TPS43351-Q1 Hello, I would like to use DCR sensing with this part. The datasheet says this is possible but does not provide any guide for calculating the parallel R-C branch. Do you have some design equations? Many thanks, chris
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    • Answered

  • TPS43351-Q1: Could this non-linear behavior be related to the COMP pin clamp?

    Resolved
    Part Number: TPS43351-Q1 Other Parts Discussed in Thread: TEST Dear E2E, I have designed a PCB with two TPS43351Q's on board, so a total of four outputs. Three of the outputs look fine when responding to load transients, but one of them stops switching…
    • Resolved
    • Answered

  • TPS43351-Q1 short to battery

    Resolved
    Hi I would like to know the behavior of this device when the output is shorted to battery or other supplys. I am concerned that the low side fet keeps open. (sinking the current continually?) regards, Koji Hamamoto
    • Resolved

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