DRV8802-Q1: MOTOR DRIVER Rise/Fall time

Takao Yamamoto

Genius 4135 points

Dear all,

Could you teach me about title at data sheet p.6?

You say that tr = 100~360ns and tf = 80~250ns.

Where these time beins and ends?

Best regards,

over 8 years ago

0 Rick Duncan over 8 years ago

TI__Guru** 114905 points

Hi Yamamoto-san,

Typically tr and tf is measured from 10% to 90% and 90% to 10% with a resistive load. We will confirm this is the case for this device.

0 Takao Yamamoto over 8 years ago in reply to Rick Duncan

Genius 4135 points

Dear Rick,

Thank you for your confirming.
I am looking forward hearing from you.
*I would like to get your information within a few days.

Best regards,

0 Rick Duncan over 8 years ago in reply to Takao Yamamoto

TI__Guru** 114905 points

Hi Yamamoto-san,

Tr is measured from 15% to 85% using a 75 Ohm resistor to ground on each motor output.
Tf is measured from 85% to 15% using a 75 Ohm resistor to VM on each motor output.

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DRV8802-Q1: MOTOR DRIVER Rise/Fall time