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LMZ31710: parallel operaion

Simon Jagla
Expert 8415 points
Part Number: LMZ31710

Hi Champs,

it is not entirely clear in the documentation if there are any obstacles to do the following:

- parallel more than two devices

- use a external clock source at RT/CLK and control them to perform any phase shift between them

  • 0
    TI__Genius 17905 points

    Hi Simon,

    Per datasheet p.17, it is possible to parallel up to 6x LMZ31710.

    To my knowledge, bench testing has been done with parallel devices with effective 2 phases, for example for a 4x parallel configuration, having device 1 and 3 switching together and device 2 and 4 both switching 180 degrees out of phase relative to device 1 and 3. That being said, I do not see any issue with externally clocking each device to set each device out of phase, for example, to achieve true 4-phase 4x devices in parallel with devices switching at 0, 90, 180, and 270 degrees.