• State Resolved
  • Locked Locked
  • Replies 8 replies
  • Subscribers 29 subscribers
  • Views 964 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.

DRV2605EVM-CT Auto-Resonance

gnanoe
Prodigy 50 points
Other Parts Discussed in Thread: DRV2605EVM-CT, DRV2605

Dear community:

I'm using DRV2605EVM-CT haptic driver evaluation kit on my new project.
I'd like to get detailed documentation(Full spec. datasheet) , specifically programming information.
I don't need auto-Resonance function to our actuator.
I want to know how to use this evaluation kit on Audio-to-Haptics mode without Auto-Resonance Tracking.

Help me.

  • 0
    TI__Genius 12485 points
    Hi Gnanoe, Thanks for your interest in the DRV2605. If you navigate to the DRV2605 product page, there is an option to request the full data sheet that has the description of the registers that you need to setup different modes. The I2C pins are conveniently exposed on the DRV2605EVM-CT for external setup. Please feel free to contact if you need more information. Regards, Gautham
  • 0
    TI__Expert 8940 points

    Hi, Gnanoe:

    for Audio-to-Haptics mode, the AC_Couple bit (R0x1B_B5) should be set as well as the nPWM_Analog bit (R0x1D_B1), then set the DRV2605 to work in Audio-to-Haptics mode (R0x01_B[2:0]).

    A 0.1uF capacitor is required to AC couple the audio source and IN/Trig pin.

  • 0 in reply to Gautham
    Prodigy 50 points

    Thank you Mr. Gautham,

    I went to the DRV2605 product page.
    And I clicked link of "Request Full Datasheet" .
    But I can not get it.
    Linked web page was written as follows.
    "The page you are looking for might have been removed, had its name changed, or is temporarily unavailable.
    Please check the address bar to make sure the link is typed correctly, use the links below to locate the information you want, or search the site for another destination.
    If you are certain that this URL is valid, please send us feedback about the broken link. "

    Please help.

  • 0 in reply to Peter Li79
    Prodigy 50 points

    Hello Mr.Peter.

    Thank you for your information.
    I will connect audio by your suggestion.

    Regards,
    gnanoe.

  • 0 in reply to gnanoe
    TI__Genius 12485 points
    Hi Gnanoe, Could you please retry this link? https://focus.ti.com/general/docs/event/accesseventaction.tsp?actionId=1280 Also make sure that you logoff from the TI portal. Once you click this link it should redirect you to the TI login page and on a successful sign-in, you should be able to complete a quick questionnaire. If it still doesn't work, I will get you an alternative.. Thanks, Gautham
  • 0 in reply to Gautham
    Prodigy 50 points

    Hello Mr.Gautham. Thank you for your kindly support. But still I can not get full data sheet. Your instructed address was not work. Does It related our company's internal security system? I will try again by my private connection.

    Regards, gnanoe.

  • 0 in reply to gnanoe
    Prodigy 50 points

    Hello Mr.Gautam,
    I am appreciated to your support.
    I tried your instructed address by my home.
    But result was same.
    I could not get Full datasheet.
    Can I get Full datasheet by E-mail?
    I must overcome this issue ASAP.

    Regards,
    gnanoe

  • 0 in reply to gnanoe
    TI__Genius 12485 points

    Hi Gnanoe, 

    I am sorry that this is happening.. Attached is an image that has a lists of questions you need to answer, please fill it up and send it to my email. Provide with as much information as you can and also use your work email id as that will speed up the process. As this is a public post, I will have my email id below which I will take off once I receive your email.

    While that gets resolved, Here is a section that talks about the A2H(audio to haptics mode). The cap C11 is the AC coupling cap on the EVM. Please look at Peter's post too on the register setup.

    "To take advantage of this feature, connect the DRV2605 to a line out source as shown in Figure 13. The fullscale range of the IN/TRIG pin in the audio to haptics mode is 1.8 VPP. The input impedance is 100 kΩ, so a

    resistive divider can be used if the input source is greater than 1.8 VPP, and a 0.1 µF capacitor is recommended
    to AC couple the audio source and the IN/TRIG pin. For sources smaller than 1.8 VPP, the ATH_MaxInput
    parameter can be used to scale down the input range. To put the device in audio to haptics mode, set
    Mode[2:0] = 4, and set the AC_Couple and nPWM_Analog bits to 1. See the register map for more details."

    Regards,

    Gautham