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  • RE: DRV8873: Open load detection on DRV8873

    Hey Maurtis, Ahh okay understood, thank you for the detailed explanation! First can you compare your circuit to this circuit in Open Load Detection in Integrated Drivers : That application note has a lot of good info about getting OLD working Maurits…

  • DRV8873-Q1: how to test the SPI communication between MCU and DRV8873-Q1 is OK.

    TI Thinks Resolved
    Part Number: DRV8873-Q1 In our design, there is only one DRV8873-Q1 chip used and I want to know how to test the SPI communication between MCU and DRV8873-Q1 is OK. What I mean is that when I send fixed data to DRV8873-Q1 and DRV8873-Q1 will definitely return…

  • DRV8873: DRV8873S: nFAULT pin left floating

    TI Thinks Resolved
    Part Number: DRV8873 Hello, My customer wants to leave the nFAULT pin floating. It's mentioned in the datasheet that this pin SHOULD be pulled high to an external DVDD. Is this just a recommendation or a requirement? Thanks,

  • DRV8873: Can the DRV8873 be applied to a 24-V system?

    TI Thinks Resolved
    Part Number: DRV8873 Hi Team, 1) Can the DRV8873 be applied to a 24-V system? 2) What is the maximum Load dump ( < 500ms) voltage that the chip VM can withstand? 3) Can the chip VM withstand 45 V? If so, are there any specific requirements? 4) Can chips…
    • Answered

  • DRV8873-Q1: Question about DRV8873-Q1 drive current

    Resolved
    Part Number: DRV8873-Q1 Other Parts Discussed in Thread: DRV8262-Q1 , DRV8244-Q1 , DRV8243-Q1 , DRV8245-Q1 , DRV8245H-Q1EVM , DRV8262 Hello experts. The current project wants to use the DRV8873-Q1 to drive a full-bridge brushed DC motor. The input voltage…
    • Resolved
    • Answered

  • DRV8873-Q1: How to control multiple nOL lines from one MCU output?

    Resolved
    Part Number: DRV8873-Q1 We have 6 drivers on one board controlled by MCU. Each driver has individual nSLEEP signal, but all DISABLE pins connected together and switched to the ground via nFET. I would like to control all nOL pins in the same way, i…
    • Resolved

  • DRV8873-Q1: How to verify the SPI communication between 8873 and the MCU is correct?

    TI Thinks Resolved
    Part Number: DRV8873-Q1 Hi Team, There is only one 8873 in the customer's design being used. To confirm proper SPI communication between the 8873 and the MCU, the customer would like to test it with the following method: While the MCU side sends any…

  • DRV8873: How to operate brake or fast decay in pwm mode

    TI Thinks Resolved
    Part Number: DRV8873 Hi Team, IC chip: DRV8873HPWPR Mode: PWM Mode, "Mode" pin connect to DVDD pin, H bridge, motor connect to OUT1 and OUT2 1. How to control motor from forwad to brake within 2 seconds? I want to brake motor from full speed…
    • Answered

  • DRV8873-Q1: Can't set MODE to independent half-bridge

    Resolved
    Part Number: DRV8873-Q1 Other Parts Discussed in Thread: DRV8873S-Q1EVM We are using the H-bridge motor driver DRV8873S with part number DRV8873SPWPRQ1 and we're trying to use the outputs as independent half bridges which we do get to work on the development…
    • Resolved

  • DRV8873: Unused pin nSCS and DISABLE

    TI Thinks Resolved
    Part Number: DRV8873 The customer want to connect Pin 6 nSCS and Pin 9 to ground directly. Is it OK for the normal work?

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