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L9779WD Datasheet(PDF) 78 Page - STMicroelectronics |
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L9779WD Datasheet(HTML) 78 Page - STMicroelectronics |
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78 / 170 page  Functional description L9779WD 78/170 DocID027452 Rev 5 Figure 46. Stepper motor operation diagram The writing of DIR bit and PWM bit cannot be done in the same time, at least two consecutive MSC frames are necessary.(if done the stepper will move one step in the old direction). The writing of EN bit and PWM bit cannot be done in the same time, at least two consecutive MSC frames are necessary. (If done it is supposed that only the EN bit has been received). Table 32. H-bridge1 configurable power stages OUT [21 to 24] H-bridge1 Comment Nominal current Ron max Switch off current (min.) Clamping (typ.) OUT21 High-side P-Ch 0.6 A 1.5 Ω 1 A N/A OUT22 Low-side N-Ch 0.6 A 1.5 Ω 1 A 45 V |
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