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DRV8411 Datasheet(PDF) 22 Page - Texas Instruments

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Part # DRV8411
Description  DRV8411A Dual H-Bridge Motor Driver with Current Regulation
PDF  53 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DRV8411 Datasheet(HTML) 22 Page - Texas Instruments

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10.1.1.1.2.3 Stepping Modes
The DRV8411A is used to drive a stepper motor in full-stepping mode or non-circulating half-stepping mode
using the following bridge configurations:
• Full-stepping mode
• Half-stepping mode with slow decay
• Half-stepping mode with fast decay
10.1.1.1.2.3.1 Full-Stepping Operation
In full-stepping mode, the full-bridge operates in either of two modes (forward or reverse mode) with a phase
shift of 90° between the two windings. Full stepping is simplest stepper control mode to implement in firmware
and offers the best performance at high speeds.
The controller applies the PWM input to the AIN1, AIN2, BIN1, and BIN2 pins as shown in Figure 10-2 and the
driver operates only in forward (FRW) and reverse (REV) mode.
90
o
Phase
AIN1
AIN2
BIN1
BIN2
AOUT12 FRW
AOUT12 FRW
AOUT12 REV
AOUT12 REV
BOUT12 FRW
BOUT12 FRW
BOUT12 REV
BOUT12 REV
AOUT12
BOUT12
Time
Figure 10-2. Timing Diagram for Full-Stepping
DRV8411A
SLVSGI9A – OCTOBER 2022 – REVISED JULY 2023
www.ti.com
22
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Product Folder Links: DRV8411A



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