TPS65295: BST resistor value

keita.shoji

Part Number: TPS65295

Hi. I have a question about the value of resistor R1 at Figure. 31 in the datasheet.

Best regards.

0 Xueliang Zhang over 1 year ago

I will check it and give you a feedback tomorrow.

+1 Yuchang Zhang over 1 year ago

Hi, R1 is recommended to be added and typically with 5.1 ohm, recommend not over 10 ohm

yuchang

0 keita.shoji over 1 year ago in reply to Yuchang Zhang

What about removing R1? Will it damage the part?

+1 Harry Zhou over 1 year ago in reply to keita.shoji

PGND bouncing without R1 is much bigger than having R1, which may cause some damages to the part.

Power management forum