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| DRV8811_15 Datasheet, PDF (19/32 Pages) Texas Instruments – DRV8811 Stepper Motor Controller IC | |||
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www.ti.com
DRV8811
SLVS865I â SEPTEMBER 2008 â REVISED JANUARY 2015
This means that the current will increase until it reaches the current chopping threshold (ITRIP), after which it will
enter the set decay mode for a fixed period of time. The cycle will then repeat after the decay period expires.
The blanking time TBLANK defines the minimum drive time for the current chopping. ITRIP is ignored during TBLANK,
so the winding current may overshoot the trip level.
9.2.3 Application Curves
Figure 10. Mixed Decay
Figure 11. Slow Decay on Increasing Steps
Figure 12. Mixed Decay on Decreasing Steps
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