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Tool/software:
Can I use a higher bypass/decoupling capacitor instead of the recommended 22uF? I am thinking of using 100uF 35V tantalum or aluminum electrolytic. The DRV103 will be used to drive a solenoid.
This 100uF would actually be the main filter cap for the whole system (in which the driver is included), and I am thinking of using the same cap as the bypass/decoupling cap for the DRV103 driver.
Hi,
Thank you for your question. Our expert will feedback to you in a day or two.
Hi Joshua,
A higher bulk capacitance is generally better, the only disadvantage usually includes cost and physical space. It should be fine to implement a higher bulk capacitance on the DRV103 however this is something I would recommend testing first to be sure.
Please see the following app note on how to select bulk capacitance for motor driver applications.
Bulk Capacitor Sizing for DC Motor Drive Applications
Best,
David