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TPA3139D2: TPA 3139D2

Suresh D
Prodigy 10 points

Part Number: TPA3139D2

Tool/software:

Hi,

We are using TPA 3139D2 chip for audio class D amplifier. While testing, the chip is entering into shutdown mode ( low ), as per design we pulled it to high to AVcc (12V) through 100 K resistor. How to enter into normal mode from shutdown. Please need some ones help on this.

Thanks in advance.

  • 0
    TI__Guru** 114235 points

    Hi Suresh,

    Most likely there's an issue like over-temp, over-current or DC in your system that causes the device to trigger the protection. The device should auto-recover from the fault state if the issue is no longer present, if the issue is still present the device will remain in shutdown.

    Best regards,
    -Ivan Salazar
    Applications Engineer