• State Resolved
  • Locked Locked
  • Replies 1 reply
  • Subscribers 21 subscribers
  • Views 194 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

TPL5010: I want to create ON/OFF signals for different times using two devices.

Ryu Yamashita
Genius 3855 points
Part Number: TPL5010
Other Parts Discussed in Thread: TPL5110

Tool/software:

Hi team,

I would like to create ON/OFF signals for different times using two TPL5010.
However, I do not have a system to input a DONE signal, so I am thinking that the time will be off.
Can the DONE signal be connected to the power supply to continue to generate WAKE periodically (ON time: 1 second, OFF time: 1 minute and 30 seconds)?
Also, please let me know if there is any way to realize such a circuit.

Best Regards,
Ryu.

  • +1
    TI__Guru** 109730 points

    Hi Yamashita-san,

    Are you saying you want a pulsed signal with On time = 1s and Off time = 1m30s? I don't think we have device to support this.

    You can use two timers to generate the On time and Off time signal, but the signals from the timers are not synchronous, you need to find a way to combine these signal together.

    Please note, without the DONE signal, TPL5010 will not generate the WAKE signal. You should use TPL5110, without the DONE signal, this device will continue to assert DRV pin periodically. 

    I have a rough idea, you have to work out the details.

    Use a TPL5110 (timer #1), in timer mode, to generate the 1s On time signal. Use another TPL5110 (timer #2), in One-shot mode, to generate the 1m30s Off time. Use the DRV signal from timer #1 to trigger timer #2.