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  • DRV8834: Enable Causing Bad Output Coil Waveforms

    Part Number: DRV8834 Hello, I am using a 5v bipolar stepper motor with the drv8834. config is in indexer mode (permanently tied, not GPIO controlled) m pins selected for full steps (permanently tied, not GPIO controlled) Sleep pin connected to logic high…
    • Answered

  • DRV8834: Enable Pin Timing Requirements

    Resolved
    Part Number: DRV8834 I am using DRV8834 to drive a 5V 25Ohm bipolar stepper and I am interested to know what the timing requirements for the ENABLE pin are? Looking at the datasheet, I see the SLEEP requirement pin requires 1ms before issuing a step command…
    • Resolved

  • DRV8836: DRV8836 vs DRV8834 lower phase current / RDSon

    Part Number: DRV8836 Other Parts Discussed in Thread: DRV8834 , , DRV8834EVM Hi all Referring to this former post: https://e2e.ti.com/support/motor-drivers/f/motor-drivers-forum/977132/drv8836-parameters-affecting-rdson my customer has provided these additional…
    • Answered

  • DRV8834: About Itrip accuracy

    Resolved
    Part Number: DRV8834 Hi, I have a question related to the following E2E threads. e2e.ti.com/.../862852 ＞You can expect the Vtrip accuracy to vary by +/- 2%. ＞This does not include the VREFO tolerance of of +/- 5%. Total accuracy when using VREFO can be +…
    • Resolved

  • DRV8834: Holding current vs temperature

    TI Thinks Resolved
    Part Number: DRV8834 I am trying to figure out, why the current consumption to the DRV8834 bridge + motor load is increasing 25% when surrounding temperature rises delta T = 25C. I am keeping the DRV8834 in Indexer Mode and outputs enabled. No STEPs or…

  • DRV8834: Stop current setting/

    TI Thinks Resolved
    Part Number: DRV8834 Does our device support half stop current lock?(No describe in datasheet.) when stop, the current locked half. And how could our device realize it? any material for us to realize? in addition, will 32 step output ability lower than…

  • DRV8834: Specifications for X-ray environment

    TI Thinks Resolved
    Part Number: DRV8834 Dear TI Team We have received an inquiry from our customers as to whether the DRV8834RGE can be placed in an environment where X-rays are used. If you look at the website of TI, you will find the following description regarding the…

  • DRV8834: Question for DRV8834

    TI Thinks Resolved
    Part Number: DRV8834 Other Parts Discussed in Thread: DRV8825 , DRV8824 , Hi Team, The customer is experiencing below issue and needs your help. According to the manual, when an error occurs, the pin will be low, so customer connected it to the high level…

  • DRV8834: Configuring the DECAY pins?

    TI Thinks Resolved
    Part Number: DRV8834 I am attempting to use the DRV8834 to drive a stepper motor in indexer mode. In the datasheet on page 14, it states that BDECAY is not used in indexer mode but the example on pg 25 shows the A & B DECAY pins pulled to ground through…

  • DRV8834: Decay mode at Itrip

    TI Thinks Resolved
    Part Number: DRV8834 Hi all Would you mind if we ask DRV8834? <Question1> We would like to confirm the decay mode at Itrip. In case of Itrip, the decay mode is mixed decay. It doesn't configure the any decay mode. Is our recognition correct…

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