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DRV8461SPWPR Datasheet(PDF) 100 Page - Texas Instruments

Part # DRV8461SPWPR
Description  DRV8461: 65 V, 3 A Stepper Motor Driver for High Efficiency and Noiseless Operation
PDF  117 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DRV8461SPWPR Datasheet(HTML) 100 Page - Texas Instruments

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8 Application and Implementation
Note
Information in the following applications sections is not part of the TI component specification,
and TI does not warrant its accuracy or completeness. TI’s customers are responsible for
determining suitability of components for their purposes, as well as validating and testing their design
implementation to confirm system functionality.
8.1 Application Information
The DRV8461 is used to control bipolar stepper motors.
8.2 Typical Application
The following design procedure can be used to configure the DRV8461.
CPL
CPH
VCP
VM
PGNDA
AOUT1
AOUT2
BOUT2
BOUT1
PGNDB
VM
GND
ENABLE
DIR
STEP
nSLEEP
SCLK
SDI
SDO
nSCS
VCC
VREF
nFAULT
DVDD
DRV8461
VM
Step
Motor
+
–
VM
+
0.01 F
100 F
0.1 F
1 F
0.01 F
1 F
RREF1
RREF2
VCC
10 kΩ
nHOME
10 kΩ
MODE
0.1 F
Figure 8-1. Typical Application Schematic
8.2.1 Design Requirements
Table 8-1 lists the design input parameters for system design.
Table 8-1. Design Parameters
DESIGN PARAMETER
REFERENCE
EXAMPLE VALUE
Supply voltage
VM
24 V
Motor winding resistance
RL
0.5 Ω/phase
Motor winding inductance
LL
0.4 mH/phase
Motor full step angle
θstep
1.8°/step
Target microstepping level
nm
1/16 step
Target motor speed
v
7.5 rpm
Target full-scale current
IFS
3 A
DRV8461
SLOSE98 – DECEMBER 2022
www.ti.com
100
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Copyright © 2022 Texas Instruments Incorporated
Product Folder Links: DRV8461



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