TPS63020: Possible inductance range

Hironori Yoshimura

Part Number: TPS63020

My customer will implement following design.

VIN=5V (USB3.0 INPUT) / 900mA
VOUT= 5.2V / 750mA DC MAX (AC MAX 2A for Audio)

My customer is designing with 1uH following Datasheet. Could you please let me know acceptable inductance range(min typ and MAX value)?

Best Regards,
Hironori Yoshimura

over 3 years ago

0 Jasper Li over 3 years ago

TI__Mastermind 46905 points

Hi Hironori,

please refer to the section 8.2.1 in the datasheet. the inductor could be from 1uF to 2.2uF with 20%~-30% variation in effective value.

0 Minqiu Xie over 3 years ago

TI__Mastermind 21565 points

Hi Hironory:

Generally, I will recommend the one in the EVM. If customer choose smaller value of the inductance, it may bring larger Vout ripple.

Additionally, what's the meaning of MAX 2A? I afraid it will exceed the input source capability.

0 Hironori Yoshimura over 3 years ago in reply to Minqiu Xie

TI__Intellectual 1820 points

Thanks Minqiu, Understand your point. MAX2A means peak load current is expected from my customer's comments.
But it is OK with your comment. I got your point,

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TPS63020: Possible inductance range