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Original question:

PTH12050W: determine input/output caps for multiphase design - SLTA055 (application report)

Multiphase high power density buck converter design w.r.t https://www.ti.com/lit/slva882

Pranesh K
Prodigy 10 points
Other Parts Discussed in Thread: TPS53679

Hi TI Team,

I am new to this High Power density multiphase buck design (new to power electronics). I am in need of designing nearly 2.5kW with PV array as input and planning to utilize this multiphase topology to power up my bldc motor whose rated voltages differ depending upon the horse power (1HP, 2HP.. upto 10HP) and this rating example can be considered for 1HP as 70V,8A and 110V, 8A.

Kindly suggest can this application be used for High Power density multiphase designs with PV array input voltages with MPPT as mentioned below

1. 85Vdc, 10A and stepping down to an output voltage in the range of 70V, 8A.

2. 125Vdc, 10A and stepping down to an output voltage in the range of 110V, 8A.

3. 185Vdc, 10A and stepping down to an output voltage in the range of 160V, 8A.

Looking forward to hear from you at the earliest.

Thanks and regards,

Pranesh K

  • 0
    TI__Guru 73185 points

    Hi,

    You need to re-create your thread and with a part number TPS53679 and non-isolated dc dc to allow your thread to send to a proper support group. Currently, your thread comes to a group not supporting this device. 

    I will close this thread.