TCAL9539-Q1: Light load drive

Yuya Shoji

Part Number: TCAL9539-Q1

Hi team,

Can this drive light load as sink (source) as pin 1 described in below?

Best Regards,

Shoji

0 Tyler Townsend 10 months ago

Hi Shoji,

TCAL9539-Q1 can source or sink current via the output port register.

Regards,

Tyler

0 Yuya Shoji 10 months ago in reply to Tyler Townsend

Hi Tyler,

How much current can this sink (source) current?

Best regards,

Shoji

+1 Clemens Ladisch 10 months ago in reply to Yuya Shoji

Guru 271790 points

This is specified in the test conditions for V_OL/V_OH.

+1 Tyler Townsend 10 months ago in reply to Yuya Shoji

Hi Shoji-san,

Recommended operating conditions suggest IOH < -10mA and IOL < 25mA.

We also display VOH and VOL characteristics in section 6.5 of the datasheet for various VCC voltages, and test conditions.

Regards,

Tyler

0 Yuya Shoji 10 months ago in reply to Clemens Ladisch

Hi Clemens,

Thank you for the clear answer.

Best Regards,

Shoji

0 Yuya Shoji 10 months ago in reply to Tyler Townsend

Hi Tyler,

Thank you for this detailed explanations.

Best Regards,

Shoji

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