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DRV5023-Q1: less sensitive variant

Viggo Joergensen
Prodigy 160 points
Part Number: DRV5023-Q1
Other Parts Discussed in Thread: DRV5023

variant DRV5023FI has inverted output and BOP/BRP 3.5/2mT

I'm seaching for at less sensitive variant with inverted output, SOT-23 package and approx BOP/BRP 12/9mT

Regards

Poul Tarp A/S

Viggo

  • 0
    TI__Mastermind 20985 points

    Viggo, thanks for your question.  We currently don't have this.  What Vcc range do you need on this device?

    Best regards,
    RE

  • 0 in reply to RE
    Prodigy 160 points
    At first I'm searcing for a direct replacement - for my allready produced PCBs.
    The supply is 24V default, but in the automotive world everything happens. The actual DRV5023 is protected by some series resistance and a 24V tranzorb. Ending up with about 14V for the DRV5023 depending on its own consumption.
    The output circuit of the DRV5023 is really tamper proof. It tolerates up to +40V on the output without damage.
    What Vcc do you have with inverted output ? I could add wich ever voltage regulator that will have same range like the DRV5023 - but I have to make a new circuit.

    At second I could use a "standard" none inverting sensor with my own inverter and driver circuit. But it is hard to match the output circuit of the DRV5023 with a few components.
    I need a open collector output (NPN) sinking up to 30mA - with some sort of current limiting - in the case of connecting the output to a powersupply - which happens in the real world during fitting etc. Does TI have some sort of driver that full fills this?

    The inverted output is needed to be compatible with a older sensor.
  • 0 in reply to Viggo Joergensen
    TI__Mastermind 20985 points

    Viggo, thanks for this info. As another idea, what if you used one SOT-23 and one TO-92, where the TO-92 faces the direction that causes an opposite output than the SOT-23. And as another idea, placing the DRV5023FI off-centered from the magnet it senses will make it effectively less sensitive.

    These are the easiest potential solutions I can think of right now.

    Best regards,
    RE

  • 0 in reply to RE
    Prodigy 160 points

    thank you for your ideas.

    we are tilting the PCB at an 45 degree angel - this reduces the sensitivity appropriate.

    Best regards

    Viggo