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DRV8880 Datasheet(PDF) 24 Page - Texas Instruments |
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DRV8880 Datasheet(HTML) 24 Page - Texas Instruments |
24 / 48 page tBLANK tDRIVE ITRIP tOFF tBLANK tDRIVE tOFF tBLANK tDRIVE tOFF tBLANK tDRIVE ITRIP tBLANK tDRIVE tOFF tBLANK tDRIVE Please note that these graphs are not the same scale; tOFF is the same tOFF DRV8880 SLVSD18A – JUNE 2015 – REVISED JULY 2015 www.ti.com 7.3.5.4 Mode 4: Slow Decay for Increasing Current, Fast Decay for Decreasing current Figure 19. Slow/Fast Decay Mode During fast decay, the polarity of the H-bridge is reversed. The H-bridge will be turned off as current approaches zero in order to prevent current flow in the reverse direction. In this mode, fast decay only occurs during decreasing current. Slow decay is used for increasing current. Fast decay exhibits the highest current ripple of the decay modes for a given tOFF. Transition time on decreasing current steps is much faster than slow decay since the current is allowed to decrease much faster. 24 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated Product Folder Links: DRV8880 |
Similar Part No. - DRV8880_15 |
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Similar Description - DRV8880_15 |
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