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  • DRV8705S-Q1EVM: Can DRV8705 (or DRV870x) drive an H-bridge that is for 100A?

    Resolved
    Part Number: DRV8705S-Q1EVM Other Parts Discussed in Thread: DRV8705-Q1 , DRV8770 Hello, I had a hard time with the bootstrap capacitor. The higher the output current is, the bootstrap capacitor will pull a higher current (instant spikes) that causes…
    • Resolved
    • Answered

  • DRV8705S-Q1EVM: Schematic of the EVM

    Resolved
    Part Number: DRV8705S-Q1EVM Hi team, I can't find any schematic for DRV8705S-Q1EVM in the user guide.
    • Resolved

  • DRV8705S-Q1EVM: why the GHx is high level when the nsleep is high level

    TI Thinks Resolved
    Part Number: DRV8705S-Q1EVM Other Parts Discussed in Thread: DRV8705-Q1 , DRV8714-Q1 Hi team, The customer use DRV8705S-Q1EVM to evaluate DRV8705 and they have an issue. They take all 0ohm resistor off except for the R65 and use their MCU to control…

  • DRV8705S-Q1EVM: DRV8705 EVM NT

    TI Thinks Resolved
    Part Number: DRV8705S-Q1EVM Hi~ In DRV8705 EVM, especially Page #1 H-Bridge part, what is NT1~NT5? What is the purpose of NT1~NT5 and stand for? When I check EVM layout, there is no special things, also couldn't find BOM excel. Thanks.

  • DRV8705S-Q1EVM: When a 100ohm resistor is connected between 5V power supply and DVDD, the driver does not work

    Part Number: DRV8705S-Q1EVM The power supply for DRV8705 is as below: 1. The voltage at DVDD has been checked and it is at ~4.8V. The min. operating voltage of DRV8705 is 3V. => OK 2. The SPI communication with MCU has been checked. 2.1 The high…
    • Answered

  • DRV8705S-Q1EVM: Drive development issue

    Resolved
    Part Number: DRV8705S-Q1EVM Hi team, The hardware drives brushed DC to the H-bridge, and the customer would like to know if there is a development timing for SPI similar to DRV8750s-Q1? For example, the timing of initialization, the timing of normal…
    • Resolved
    • Answered

  • DRV8705S-Q1EVM: Drive issue

    Resolved
    Part Number: DRV8705S-Q1EVM Hi team Here's some issues from the customer may need your help: 1. Using the MCU's port, simulate the spi and see through the oscilloscope that the analogue spi transmit configuration drv8705 data was successful. The parameters…
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    • Answered

  • DRV8705S-Q1EVM: hardware pin configuration of IN1/EN, IN2/PH, nFAULT

    Resolved
    Part Number: DRV8705S-Q1EVM Hello i'm using DRV8705S-Q1 with SPI operation mode and have a question If I use SPI mode for operating, should I connect IN1/EN, IN2/PH, nFAULT pins to my microcontroller? If It doesn't need, can you please let…
    • Resolved

  • DRV8705S-Q1EVM: drv8705s CSA ctrl register values required.

    TI Thinks Resolved
    Part Number: DRV8705S-Q1EVM Hi Team, Iam unable to receive the current analog value from driver. i connected load across SH1 & SH2 still i dont see the analog value in my adc channel. what could be issue . can you brief about CSA_ctrl register…
    • Answered

  • RE: DRV8705S-Q1EVM: Analogue spi read and write issue

    Resolved
    Hi Shinya, Thanks for your support. Shinya Morita said: -DRVOFF pin is high Yes, they have checked. Shinya Morita said: -nSLEEP pin is Low nSLEEP pin is high. The EN_DRV bit of the IC_CTRL Register is 1, enable; the BRG_MODE bit of the BRG_CTRL…

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