Search tips
Showing 100 results View by: Thread Post Sort by
    Answered

  • DRV8704: Read-Modify-Write on the status register

    Resolved
    Part Number: DRV8704 Hi, In the datasheet of the DRV8704, it is mentioned that to clear an error bit in the status register, a zero should be written to that bit (table 11). However, it is not possible to write a single bit in a register, the whole…
    • Resolved
    • Answered

  • DRV8704: Current still send even when TORQUE register set to x00h

    Resolved
    Part Number: DRV8704 Hi, I'm wondering why even when I set the TORQUE register to 0x00h, current is still send to the motors and they continue to spin at a slow speed. I thought that if the TORQUE register was set to 0 then no current would be sent…
    • Resolved
    • Answered

  • DRV8704: GND of the Predriver for Low side FET

    Resolved
    Part Number: DRV8704 Hello, Our customer use the DRV8704, have a question. Where is the GND of the predriver for low side FET connected? Device GND? or xISENP? Best Regards, Naoki Aoyama
    • Resolved
    • Answered

  • DRV8704: About the relation between TDRIVEP, TDRIVEN and DTIME

    Resolved
    Part Number: DRV8704 Hello, Our customer use the DRV8704 and have some questions about Figure 13. on the DS. I attach the file include their questions. DRV8704_Gate_Drive.pptx Please check the file. Best Regards, Naoki Aoyama
    • Resolved
    • Answered

  • DRV8704: Device Failure Cause

    Resolved
    Part Number: DRV8704 Other Parts Discussed in Thread: CSD19531Q5A Hello, I was wondering if the support team could offer some advice on a design where we are implementing the DRV8704 into a TEC (Peltier) driver system. To achieve this, the outputs…
    • Resolved
    • Answered

  • DRV8704: Reducing dead time

    Resolved
    Part Number: DRV8704 Other Parts Discussed in Thread: DRV8412 Hi On page 20, the datasheet describes that the dead time can be set in the range from 410ns to 880ns. We would like to have a PWM frequency of around 300kHz, where this dead time is much…
    • Resolved
    • Answered

  • DRV8704: Gate drive PWMing when Torque set above load limited current

    Resolved
    Part Number: DRV8704 Hello, I am seeing some odd behavior with bridge A of my DRV8704. When firing coil A at the same chopping current in the "on" direction the high and low gates PWM frantically. As a result I get a slightly lower average current to…
    • Resolved
    • Answered

  • DRV8704: Reading the Status register

    Resolved
    Part Number: DRV8704 Other Parts Discussed in Thread: DRV8711 , BOOST-DRV8711 Hey Im new to motor drive controllers. I have tried configuring the registers for DRV8704. code works fine. I get a fault signal from the controller whenever i connect motor…
    • Resolved

  • DRV8704: V5 pin short with GND

    TI Thinks Resolved
    Part Number: DRV8704 described as the tittle the DRV8704 chip's V5 pin is shorted with GND and the chip is heating the design is: STM32 chip generate pwm ,control the sleep pin-reset pin-CS pin at 3.3V level ,iso7241 is used to translate the 3.3v…
    • Answered

  • DRV8704: DRV8704 - OCP register values are set to '1' and fault triggered when I apply PWM to the inputs

    Resolved
    Part Number: DRV8704 Hi Team, I have made all the connections as per suggested in the DRV8704 technical document and my readings are VM = 12V I read Vint value as 5V and VCP at 21 volts and CP1 = 0V and CP2 = 11 V as I give the PWM to either…
    • Resolved

Didn't find what you are looking for? Post a new question.