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Showing 45 results View by: Thread Post Sort by

  • SG3524: SG3524 vs DRV8251 of Motor Design

    TI Thinks Resolved
    Part Number: SG3524 Other Parts Discussed in Thread: DRV8251 , hi , I want to design a compressor that conforms to two different architectures item1 have 3pin input,The middle tap of the coil is connected to 12v item2 have 2pin input, I want to use DRV8251…

  • DRV8251: Questions regarding specifications

    TI Thinks Resolved
    Part Number: DRV8251 Other Parts Discussed in Thread: DRV8812 Hello, I have two questions. Is there a mode where the H-bridge FET turns on due to residual charge in the capacitor of the booster circuit inside the driver when the power is off? (Background…
    • Answered

  • DRV8251: DRV8251

    Resolved
    Part Number: DRV8251 Is it possible to use a carbon film resistor, e.g. 0.2 Ohm 1W for a max. current of 1.9 A as stated in data sheet? It appears that metal film resistors (below 1 ohm) are inductive in nature. Thanks, Sudhir Gupta
    • Resolved

  • RE: DRV8251: Minimum Coil Inductance for DRV8251 Current Regulation, and Minimum VREF Current Regulation Level?

    Nathan, The ripple will depend on your motor inductance. if you have other motors with different inductances, you can try and see if this 200mA is constant regardless of motor inductance. Regards, Pablo Armet

  • DRV8251: Current Regulation bandwidth?

    TI Thinks Resolved
    Part Number: DRV8251 Howdy, I'd like to replace an analog closed-loop motor current driver with DRV8251 or similar. Particularly interested in the internal current regulation, but require bandwidths in the 10s of kHz. Unfortunately, a couple of the…
    • Answered

  • DRV8251: Maximum Value of MOSFET on Resistance

    Resolved
    Part Number: DRV8251 Other Parts Discussed in Thread: , DRV8231 Dear Specialists, My customer is considering DRV8251 and DRV8251A, and has a question. I would be grateful if you could advise. --- Regarding DRV8251 and DRV8251A, Could you please let me…
    • Resolved

  • DRV8251: Disable PWM

    TI Thinks Resolved
    Part Number: DRV8251 Hi Team, Seeking your comments. Set Itrip with VREF and Rsense to be above the maximum current used in the application. Itrip would only be achieved in an over current condition. The Rsense voltage would be sensed by an external circuit…

  • RE: DRV8251: Current regulation gain

    Hi Statham, Below is the requested information: at 25C temperature: VM V_ISENSE (Average) 4.5V 9.81 V 6.5V 9.81 V 24 V 9.81 V 50 V 9.85 V The V_ISENSE measurement above is the max V_ISENSE voltage in order to cause current regulation to…

  • DRV8251: Slow decay, need fast decay with both inputs high.

    TI Thinks Resolved
    Part Number: DRV8251 Hi Experts, Seeking your assistance on this query about DRV8251 from Cx: I have been testing the DRV8251 as a replacement for the ST L6201 to drive a stepper motor. Everything was going great until it was noticed that the application…

  • DRV8251: DRV8251 for relay control schematic review

    TI Thinks Resolved
    Part Number: DRV8251 Hi team, My customer is using DRV8251 for relay control, and below is their schematic, could you help review it? Thanks! Jayden
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