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  • DRV8705-Q1: Looking for a gate driver for new design in Automotive EPS application

    Part Number: DRV8705-Q1
    Other Parts Discussed in Thread: DRV8714-Q1, DRV8106-Q1, DRV8718-Q1

    Tool/software:

    Hi,

    We are looking for a gate driver for new design.

    It should be capable to drive Hbridge 4n-channel mosfets for Electric power steering application…

  • DRV8705-Q1: Mechanical shock test failed

    Part Number: DRV8705-Q1

    Tool/software:

    Hi expert, 

    Something wrong happened after the Mechanical shock test @100g. The Output voltage of each gate-drive pin changed. Please find the detailed data in the picture. But the current consumption is OK. 

    Please…

  • DRV8703-Q1: Depopulation of MOSFET in H-Bridge | Driver error

    Part Number: DRV8703-Q1
    Other Parts Discussed in Thread: DRV8705-Q1,

    Tool/software:

    The H drive implementation in our board is shown as above. Two drivers are used for running two motors with the help of H-bridges. One leg of the H-bridge is made common…

  • DRV8705-Q1: Enquiry regarding driver ics

    Part Number: DRV8705-Q1

    Tool/software:

    Hello,

    We are thinking to use H-bridge IC for changing polarity of current in coils. And we want to use pure power waves (sine PWM). So, can you please suggest any potential driver IC for our application?

    Regards…

  • DRV8705-Q1: Questions about the offline diagnostic

    Part Number: DRV8705-Q1

    Tool/software:

    Hi Team,

    We have some questions about the DRV8705S offline diagnostic

    1. Noticed it is current source as the pull up/down for diagnostic, is it fixed value or triode? It is said fixed current=3mA, while shouldn…

  • DRV8705-Q1: Loss-to-GND protection

    Part Number: DRV8705-Q1

    Tool/software:

    Hi team,

    Customer wants to know how DRV8705-Q1 will do if they disconnect the GND.

    I believe we have some loss-to-GND protection. Can you share the principle of how we can protect our device if GND loss?

    Regards…

  • DRV8705-Q1: Register setting

    Part Number: DRV8705-Q1

    Tool/software:

    Hello Experts,

    1. SSC_DIS bit in IC_CTRL Register (Address = 4h)
    Regarding SSC_DIS bit in IC_CTRL Register (Address = 4h), SSC is enabled if this bit is set "0"? Or it is set disable SSC? Also if SSC is set enable, is…

  • DRV8705-Q1: Overcurrent trigger behavior

    Part Number: DRV8705-Q1
    Other Parts Discussed in Thread: CSD18512Q5B

    Tool/software:

    Hello Team,

    We are utilizing the CSA output analog voltage information from the motor driver (DRV8705S), converting it to digital using the MCU (STM32) ADC, and determining…

  • DRV8705-Q1: Used as two high side switch controller

    Part Number: DRV8705-Q1

    Tool/software:

    Hello team,

    Customer want to use DRV8705 SPI variant as two independent high side switch controller and leave the two low side output float.

    Is it feasible? This is a seat heating application, generally it is a…

  • DRV8705-Q1: What is output voltage of "GHx, SHx, GLx, and SLx" during DVDD open failure event?

    Part Number: DRV8705-Q1

    Tool/software:

    Hi team, 

    What is output voltage of "GHx, SHx, GLx, and SLx" during DVDD open failure event?

    Pin FMEA just says "Device external digital power supply missing, device non-operational" but not mention these…

  • DRV8705-Q1: ISO7637 test report (pulse1, 2a, 2b, 3a, 3b, 5b)

    Part Number: DRV8705-Q1

    Tool/software:

    Hello team,

    Hope you are well.

    As you know, the power supply of DRV8705 & DRV8244 is battery connected. For the real car, the battery line has the pulse due to other inductive loads switch-on and off. It is summarized…

  • [FAQ] DRV8718-Q1: Gate driver high side configuration use case, negative spike concern without external (shotteky) diode.

    Part Number: DRV8718-Q1
    Other Parts Discussed in Thread: DRV8706-Q1, , DRV8702-Q1, DRV8106-Q1, DRV8705-Q1, DRV8714-Q1, DRV8703-Q1

    Tool/software:

    DRV8702-Q1, DRV8703-Q1, DRV8106-Q1, DRV8705-Q1, DRV8706-Q1, DRV8714-Q1, DRV8718-Q1

    Gate driver can be used…

  • DRV8705-Q1: Thermal design reference materials

    Part Number: DRV8705-Q1
    Other Parts Discussed in Thread: DRV8718-Q1

    Tool/software:

    Hello team,

    Greeting for the day.

    Do you have some thermal design materials for reference? customer need them to design DRV8705 and DRV8718.

    Thanks!

  • DRV8705-Q1: How to deal with when GH1, SH1, GL1, and SL1 are not used

    Part Number: DRV8705-Q1

    Tool/software:

    Hello team

    Good day!

    For DRV8705-Q1, what should I do if the PIN GH1, SH1, GL1, and SL1 are not used?
    Just left open?

    Thanks!

  • DRV8705-Q1: DRV8705-Q1

    Part Number: DRV8705-Q1

    Tool/software:

    Hi team,

    I have a few questions about DRV8705-Q1:

    I use the DRV8705-Q1 in hardware mode, as a set of bridge drive outputs

    1.The GHx of the high-side switch is powered by the GLx by raising the voltage through a charge…

  • DRV8705-Q1: Could it be driven by non-deadtime inserted IN1/IN2 signal on PWM H-Bridge Control mode?

    Part Number: DRV8705-Q1
    Other Parts Discussed in Thread: DRV8706-Q1

    Tool/software:

    Hi team, 

    Could it be driven by non-deadtime inserted IN1/IN2 signal on PWM H-Bridge Control mode with intent to use device tDEAD and tDEAD_D?

    For example, no deadtime…

  • DRV8705-Q1: Motor driver issue

    Part Number: DRV8705-Q1

    Tool/software:

    Hello Team,

    We are using the DRV8705SQRHBRQ1 motor driver in our application. We have already reviewed the schematic and layout from you, and our board was working fine. However, during testing, our…

  • DRV8705-Q1: Functional Safety Out Of Context

    Part Number: DRV8705-Q1

    Hello,

    Can we get additional data from TI (not found in the  datasheet) that states ASIL compliance of this driver, mainly to define in the context of FuSa what kind of element is the driver:

      1. Class 1 (no evaluation required)
  • DRV8705-Q1: short condition between VCP and PVDD

    Part Number: DRV8705-Q1

    Hello Experts,

    My customer has question as follows. Would you answer it, please?
    [Question]
    1. How DRV8705-Q1 will behave when it has short condition between VCP and PVDD? Device will get damage?
    2. The recommended cap between VCP…

  • DRV8705-Q1: operating mode

    Part Number: DRV8705-Q1

    Hello Experts,

    Can DRV8705-Q1 operate to repeat between SHx=Z and SHx=H? If yes, what it max frequency?



    Best Regards,
    Fujiwara

  • DRV8705-Q1: Overcurrent fault behavior

    Part Number: DRV8705-Q1

    Hello Murugavel,

    We are utilizing the CSA output analog voltage information, converting it to digital using the MCU ADC, and determining whether the current exceeds the set threshold or not.

    Currently, we have configured a 25A…

  • DRV8701: nFault interrupt

    Part Number: DRV8701
    Other Parts Discussed in Thread: DRV8706-Q1

    Hi,

    I am using DRV8701 chip on the following schematics - 

    DC Driver #1 Pololu .pdf

    At connector A13 I am connecting a DC motor. 

    I have issue, when I use the motor, my nFault is going low…

  • DRV8705-Q1: charge pump

    Part Number: DRV8705-Q1

    Hello Experts,

    My customer has question as follows. Would you answer it, please?
    1. The datasheet mentioned that the DRV8705-Q1 is not designed to support significant voltage difference between PVDD and DRAIN. Customer would like…

  • DRV8705-Q1: the purpose of offline Open Load and short circuit of DRV8705

    Part Number: DRV8705-Q1

    Hi Team,

    The customer has the following questions and needs your help.

    I want to know the purpose of offline Open Load and short circuit of DRV8705 ?  as i know, it's a offline test (like initial test), it doesn't contribute…

  • DRV8701: nfault pin remains high after exceeding hardware current limit

    Part Number: DRV8701
    Other Parts Discussed in Thread: DRV8706-Q1, DRV8262, DRV8705-Q1

    Hi Team,

    The customer tried to short-circuit the two poles of the motor. At this time, the peak current could reach 40A (the designed current limit value is 8A), and…

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