LP8733: Change PGOOD mode from Gated mode to Continuous mode

Shota Mago

Part Number: LP8733
Other Parts Discussed in Thread: AM6442

Hi team,

My customer will use LP873364 for powering AM6442 and its OTP setting of PGOOD_MODE is Gated Mode. While, they would like to use Continuous Mode.

Just for double check, is it possible to change PGOOD_MODE to Continuous Mode after PGOOD becomes High?

(They're concerned that if there is any possibility that the settings can be changed only before each supply rails becomes active)

Best regards,

Shota Mago

over 1 year ago

0 Alex Saenz over 1 year ago

TI__Expert 6700 points

Hello,

Our expert for this device is out of office this week. Please expect a response by Wednesday of next week. Thank you.

Regards,

Alex

0 Shota Mago over 1 year ago in reply to Alex Saenz

TI__Expert 6580 points

Hi Alex,

Noted. No problem to wait until next Wednesday.

Regards,

Shota Mago

+1 Samuli Piispanen over 1 year ago in reply to Shota Mago

TI__Expert 4355 points

Hi Shota,

Yes, it is possible to change to continuous mode even after regulators have been enabled. See below scopeshot where the trigger point is set to the I2C write that changes the PGOOD_MODE from 0 to 1.

BR,

Samuli

Power management

Power management forum

LP8733: Change PGOOD mode from Gated mode to Continuous mode