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DRV8912-Q1: Can we connect 12 Solenoid Valves to DRV8912-Q1, which have to be controlled individually?

Vijay Bhaskar Reddy
Prodigy 20 points
Part Number: DRV8912-Q1

Hi,

We have a requirement to control 12 solenoid valves at different locations of out Water System. And need your support with interfacing them.

Can we connect 12 Solenoid Valves across the 12 Outputs and GND of the DRV8912-Q1?

Or we can connect only 6 Valves across OUT1 & OUT2, OUT3 & OUT4, OUT5 & OUT6, OUT7 & OUT8, OUT9 & OUT10, OUT11 & OUT12 ?

Awaiting your kind and quick response.

Thank You

  • 0
    TI__Guru 54675 points

    Vijay,

    The 12 half-bridges in the DRV8912-Q1 can be independently controlled to a HIGH or LOW state via SPI.  Only if you need bi-directional current control would you need to connect across OUT1/OUT2 as this would give you a full-bridge across the 2 half-bridge outputs.

    Regards,

    Ryan