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  • TPS7H4001-SP: RT Resistance for Fsw=500kHz

    Resolved
    Part Number: TPS7H4001-SP Hello E2E, Using equation (4) on pg 27 of the datasheet, to achieve Fsw=500kHz, RT=166.2k. This is also reported by the TPS7H4001-SP Buck Converter Calculator spread-sheet. However, the TPS7H4001-SP evaluation boards (multi…
    • Resolved

  • TPS7H4001-SP: Figure 6-1 Y axis Vref Tolerance

    TI Thinks Resolved
    Part Number: TPS7H4001-SP Hi Team, seeking clarification. It is showing from bottom to top 604.5, 604.5, 604.6, 604.6, 604.6, 604.6, 604.7, 604.7, 604.7, and 604.8. Seems to be discrete and not linear. e.g at VIN from 3.75V to 5.25V , the Internal VREF…
    • Answered

  • TPS7H4001-SP: SYNC1 VIH Threshold, Recommended Pull-Down Resistor?

    Resolved
    Part Number: TPS7H4001-SP Other Parts Discussed in Thread: TPS50601A-SP , I am designing a board with several TPS50601A-SP converters as well as one TPS7H4001-SP. This post for the TPS50601A-SP suggests that a 3.3V external clock source can be used to successfully…
    • Resolved

  • TPS7H4001-SP: Output Changes when Input changes

    TI Thinks Resolved
    Part Number: TPS7H4001-SP We are using TPS7H4001-SP to generate 0.95V output, input is 5V. we have two CCAs, one CCA : when input changes from 4.9V to 5.1V, Vout = 0.965V. another CCA: when input changes from 4.9V to 5.1V, Vout = 0.965V to 1.025V. it looks…

  • TPS7H4001-SP: Clarification on RL

    TI Thinks Resolved
    Part Number: TPS7H4001-SP Other Parts Discussed in Thread: TPS50601A-SP , Hello team, My customer is working on a design with TPS74H4001-SP and currently designing the compensation network. Could you provide clarification on what R L is as mentioned in equation…

  • TPS7H4001-SP: PWRGOOD pin

    TI Thinks Resolved
    Part Number: TPS7H4001-SP Other Parts Discussed in Thread: TPS7H4010-SEP , Hi Mr./Mrs., After checking the reference designs of TPS7H4001-SP and TPS7H4010-SEP, the PWRGD pin is pull-high to VIN for TPS7H4001-SP while the PWRGD pin is pull-high to VOUT …

  • TPS7H4001-SP: SYNC1, SYNC2 setting

    TI Thinks Resolved
    Part Number: TPS7H4001-SP If I want to operate the TPS76H4001 using the internal oscillator and a frequency different that 500 kHz, how should the SYNC1 and SYNC2 pins be set? Table 7-1 in the data sheet indicates that SYNC1 should be floating, while…
    • Answered

  • TPS7H4001-SP: specification for PVIN shutdown current

    Resolved
    Part Number: TPS7H4001-SP Other Parts Discussed in Thread: TPS7A4501-SP I have a question on the shutdown supply current of the TPS7H4001 – the datasheet states 2.85mA max shutdown current for VIN. Is there a specification for PVIN shutdown current…
    • Resolved
    • Answered

  • TPS7H1101A-SP: PSpice WCA Model Guide and Parameters

    Resolved
    Part Number: TPS7H1101A-SP Other Parts Discussed in Thread: TPS7H4001-SP , I did not find the "WCA model guide" referenced in the example worst-case analysis PSpice testbench, I'm wondering if there is one available for this part similar to this:…
    • Resolved

  • TPS7H4001-SP: Cout Selection

    TI Thinks Resolved
    Part Number: TPS7H4001-SP 1. We need to use TPS7H4001HKY/EM for our space application, it looks like the datasheet multiplies by 2.7 to get the actual Cout = 2mF after they calculates the Cout = 742.5uF, I am just wondering that if we need to follow this…

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