DRV8873: DRV8873

Christian Ahler1

Part Number: DRV8873
Other Parts Discussed in Thread: DRV8874

Hello at TI,

We are among other motor drivers considering DRV8873 and 74 for a DC brushed motor driver design.

We are however unsure of the differences of those. They seem to have the same functions.

Can you help us clarify which parameters we should look at specifically to choose between them? In other words: When (or in what situation) is one recommended compared to the other?

Also, are they both expected to be on the marked for +5 years?

When is 74 in full production?

Thanks!

Best, Christian

over 4 years ago

0 Pablo Armet over 4 years ago

TI__Mastermind 37683 points

Hello Christian,

Let me research this further and I will give you a detailed response by 12/6 (United States Time)

0 Pablo Armet over 4 years ago in reply to Pablo Armet

TI__Mastermind 37683 points

Hello Christian,

Below are the main differences between the DRV8873 and DRV8874,

The DRV8873 also has variable slew rate.

"Can you help us clarify which parameters we should look at specifically to choose between them? In other words: When (or in what situation) is one recommended compared to the other?"

Finding out which device to recommend depends on your application needs. Can you answer the following questions:

What is the expected VM voltage of the stepper motor driver?
What is the expected Voltage rating and current rating of motor?
What features are required? (SPI, Open-load detection, package size restrictions, etc.)
Is an industrial or automotive stepper motor driver needed?

"Also, are they both expected to be on the marked for +5 years?"

Yes they are.

0 Christian Ahler1 over 4 years ago in reply to Pablo Armet

Intellectual 410 points

HI Pablo,

Thanks for your reply. Unfortunately something when wrong in your reply so I cannot see the list of main differences that we should be aware of. Can you try again. Those main differences would be very helpful for us to have highlighted.

Thanks!