DRV2625EVM-CT: What is the supported range and resolution of Gs?

Adriano Carvalho

Part Number: DRV2625EVM-CT
Other Parts Discussed in Thread: DRV2625,

As the title suggests, we would like to know what is the supported range and resolution of Gs (ERM)? For example: Are we able to go from 0 to 1/2 Gs, in 0.01 increments?

over 3 years ago

0 Luis Fernando Rodriguez S. over 3 years ago

TI__Guru* 84915 points

Hi, Adriano,

Welcome to E2E and thank you for your interest in our products!

We don't use to specify the supported range and resolution of the Gs in the actuators. I think this may vary in function of the rated voltage. The DRV2625 can ensure the output voltage based on the equations for rated voltage and overdrive voltage clamp.

https://www.ti.com/lit/ds/symlink/drv2625.pdf#page=23

The Gs would depend of how the actuator acceleration is related with the DRV2625 output voltage.

Please let me know if you have additional questions or comments on this.

Best regards,
Luis Fernando Rodríguez S.

0 Adriano Carvalho over 3 years ago in reply to Luis Fernando Rodriguez S.

Prodigy 30 points

Thank you Luís for your reply.

Since the Gs depend on the actuator, we have tried to find the voltage/acceleration curve for the actuators on the DRV2625EVM-CT. The BOM lists an "AAC1036 LRA Actuator" but we were unable to find any documentation on it.

0 Luis Fernando Rodriguez S. over 3 years ago in reply to Adriano Carvalho

TI__Guru* 84915 points

Hi, Adriano,

The AAC1036 shares similar characteristics than the ELV1036A:

ELV1036A_X1 SPEC[1].pdf

Best regards,
Luis Fernando Rodríguez S.

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DRV2625EVM-CT: What is the supported range and resolution of Gs?