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  • DRV8844: EMI from DRV8844 charge pump circuit

    Part Number: DRV8844 I have an issue with DRV8844 charge pump circuit - our product fails radiated emissions EMI testing presumabily because the charge pump of the driver creates a train of harmonics spaced approx. 302 kHz apart. Disabling the driver…
    • Answered

  • DRV8844: DRV8844 Fault always on

    Resolved
    Part Number: DRV8844 Tool/software: What could be the reason for Fault being always asserted? Schematic below; I'm trying to simply get the part working, not drive anything yet. V3P3OUT does output 3.3V.
    • Resolved
    • Answered

  • DRV8844: Unknown behaviors for FMECA

    Resolved
    Part Number: DRV8844 Tool/software: Dear all, I am doing FMECA (Failure mode, effects, and criticality analysis) on an electronic board that includes the DRV8844. I am having difficulty deriving possible behaviors of the component in 4 specific cases…
    • Resolved

  • DRV8844: Could you please help check if there is any problem with the schematic design of DRV8844, thks

    TI Thinks Resolved
    Part Number: DRV8844 Tool/software: Could you please help check if there is any problem with the schematic design of DRV8844, thks The second page of the document is the DRV8844 design 1042&DRV8844.pdf

  • DRV8844: DRV8844PWPR Marking format

    TI Thinks Resolved
    Part Number: DRV8844 Tool/software: Dear, The Marking format of Figure 1 is different from that of Figure 2, they are the same part number, and I can't find the relevant PCN, I would like to know if this is a normal? Figure1 Figure2
    • Answered

  • DRV8844: Over current protection (OCP) not tirggering properly during stall test

    Resolved
    Part Number: DRV8844 Tool/software: Hello, We are currently using the DRV8844 in order to drive a DC motor with slow decay. We are connecting the two outputs of the driver in parallel in order to increase the maximum current that can be drawn from…
    • Resolved

  • DRV8844: AEC-Q100 model or Alternative

    TI Thinks Resolved
    Part Number: DRV8844 Other Parts Discussed in Thread: DRV8244-Q1 , DRV8243-Q1 , DRV8245-Q1 , Tool/software: Hi, We are using the DRV8844PWP in our past designs, and now it is getting obsolete. The alternative is DRV8844PWPR but this part is still not…
    • Answered

  • DRV8844: nRESET und nFAULT timing

    Resolved
    Part Number: DRV8844 Tool/software: Hi Regarding DRV8844.. The idea is to trigger an automatic reset in the event of an error (nFault = low) with a small circuit, unfortunately the following information is missing in the data sheet: -) minimum reset…
    • Resolved

  • DRV8844: DRV8844 Current Sensing Function not working issue

    Part Number: DRV8844 Hi To use the current sensing function of DRV8844, a circuit is designed and tested As a result of the test, the current is not measured at 0.05 ohm shunt resistance, but the OUTPUT operates In addition, OUTPUT operates even if…

  • DRV8844: PWM to DRV8844

    Part Number: DRV8844 Other Parts Discussed in Thread: RM44L920 , , HALCOGEN I'm using the RM44L920 MCU to drive the DRV8844's PWM capable input pins to drive a solenoid load. Now i'm using the ePWM module to generate PWM (one of the pins is pin number…

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