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PMP7605 schematic issue.

Hi Guys,

Hi Guys i am using reference design from TI to dwsign 20 amps MPPT buck converter,

i have attached the schematic, in that the Q4 and Q5 transistors are getting heated up,

and also i am getting output 4.5 amps of output expected output is 5 amps,

what could be the issue waiting for valuable feedback.

 

3250.PMP7605_REVC_SCH.pdf

 

regards,

syed hamad.