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TPL0501-100: Device application

Guru 11480 points
Part Number: TPL0501-100


Hello,

My customer has an issue below with the TPL0501-100.

 - It is designed to control the buzzer sound as follows.

 - When the minimum volume of the buzzer is set, the buzzer sound is momentarily cut off(If the buzzer continues to sound for about 10 seconds, the momentary interruption of the buzzer sound repeatedly occurs)

Q1) Please review if there is a problem with the circuit design.

Q2) Please advise on the cause of this symptom.

Thank you.

JH