Part Number: DRV8846 Other Parts Discussed in Thread: DRV8889-Q1 , DRV8434S , DRV8462 Tool/software: Hello,
We are using a DRV8846 to drive a small stepper motor. In our application, the MCU must detect when the motor stalls, so we implemented a current…
Part Number: DRV8846 Other Parts Discussed in Thread: DRV8462 , DRV8434S , DRV8434 , , DRV8436 , DRV8452 , DRV8424 Tool/software: In our application we are trying to use the DRV8846RGER Motor driver, however when we power the device on, we leave nENBL…
Part Number: DRV8846 Other Parts Discussed in Thread: DRV8832 Tool/software: Hi, TI expert
A customer is using the attached IX471AQ (Intrixchip) in an application (CCTV).
8715.IX471AQ_DATASHEET_V01-130215.pdf
The IX471AQ(Intrixchip) has an input…
Part Number: DRV8846 Hi , I found that TI has a Application Note document "sloa312(How to Drive Unipolar Stepper Motors with DRV8xxx)" , as attached
How to Drive Unipolar Stepper Motor with the DRV8xxx (ti.com)
Which mentions 3.3 Driving Unipolar…
Part Number: DRV8846 We have a setup that switches on VM when we need to move the motor.
Are there any restrictions or problems if the Digital Control inputs are driven when VM is not present?
Part Number: DRV8846 Dear Expert,
Good day!
Our customer use the DRV8846 in their application , when they test the full step mode (500pps), the device work fine ,
But when they set the device in 1/4 step , (M0=1 , M1=0) ,1000pps , the motor speed…
Part Number: DRV8846 Hi team,
Customer use DRV8846 to drive stepper motor with below configuration: 1/16 Microstepping, AutoTune mode，full-scale current is 160mA；The current waveform as below. Could you pls help to analyze why in red block the current…
Part Number: DRV8846 Hi Team,
in the evaluation of DRV8846, I have following questions about DRV8846 so could you help? I also summarized more detail in attachment so please refer it.
DRV8846 question.pptx Question 1 - From the beginning of switching…
Part Number: DRV8846 Dear team,
When customer change VM from 5V to 12V, the motor could not rolling. The specific operation as below:
1. VM 5V, current 1.3A peak, and frequency about 1.2KHz;
2. VM 5.7V, current 1.7A peak, and frequency max about…
Part Number: DRV8846 Hi all
My customer has a design with the DRV8846 and they find that the nFault is activated when they change the sleep mode (on to off or vice versa).
Is this expected ? Do they have to reprogram something ?
Please find their…
