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Reference design PMP3038 Formula

Kwan
Intellectual 510 points
Other Parts Discussed in Thread: TPS63020

Hi,

 

Referring to reference design PMP3038,

www.ti.com/.../slyt349a.pdf;HQS=Other%2bPR%2bledcookbook-pr

I'm trying to modify this circuit to use TPS63020 drive higher current LED @ 1.5A, can someone help to advise the formula to calculate below component parameter:

shunt resistor R3, R4

L1, inductor

R1, R2, R5, R6?

Thanks in advance.