TAS6424E-Q1: The meaning of clip window

Kazuki Kuramochi

Part Number: TAS6424E-Q1

Hello team,

Could you please tell me the meaning of clip window register?

The datasheet's clip detection's description said the trigger is minimum 20 "cycle" 100% duty event
This description saying 20 times consecutive 100% duty is required so I cannot found any description regarding window.
So we'd like to know about this points.

Best regards,
Kazuki Kuramochi

over 1 year ago

0 Gregg Scott over 1 year ago

TI__Mastermind 45085 points

Kuramochi-san,

A 100% duty cycle is basically a missed PWM pulse due to saturation. The Clip Window is a count of the missing pwm pulses. The Clip detect will not assert until the missing pulse count reached the number indicated in this register.

Regards,
Gregg Scott

0 Kazuki Kuramochi over 1 year ago in reply to Gregg Scott

TI__Genius 10765 points

Gregg-san,

I may made miss understanding for my question.

My question is "What is the meaning of CLIP_WINDOW_SEL register?".

As I said, I could found the description of this register on the section regarding clip detection.
The datasheet said clip detection 100% ON duty pulse counts but this register default is 20"%".
Does this 20"%" mean 20 times 100% on duty?

Best regards,
Kazuki Kuramochi

0 Gregg Scott over 1 year ago in reply to Kazuki Kuramochi

TI__Mastermind 45085 points

Kuramochi-san,

20 missed pulses. Not 20%

Regards,
Gregg Scott

0 Kazuki Kuramochi over 1 year ago in reply to Gregg Scott

TI__Genius 10765 points

Gregg-san,

I understand that the datasheet's "%" is misleading typo.
And this register is for selecting consecutive pulse counts for detecting CLIP.

This is just confirmation but will you update this point in datasheet?

Best regards,
Kazuki kuramochi

+1 Gregg Scott over 1 year ago in reply to Kazuki Kuramochi

TI__Mastermind 45085 points

Kuramochi-san,

This has been added to the list for our next revision of this datasheet.

Regards,
Gregg Scott

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TAS6424E-Q1: The meaning of clip window