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DRV8461SPWPR Datasheet(PDF) 44 Page - Texas Instruments

No. de pieza DRV8461SPWPR
Descripción Electrónicos  DRV8461: 65 V, 3 A Stepper Motor Driver for High Efficiency and Noiseless Operation
PDF  117 Pages
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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DRV8461SPWPR Datasheet(HTML) 44 Page - Texas Instruments

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– ATQ_LRN_DONE bit becomes 1b
• ATQ_LRN_CONST1 and ATQ_LRN_CONST2 are populated in their respective registers
• Motor current goes to ATQ_TRQ_MAX
Once the ATQ_LRN_CONST1 and ATQ_LRN_CONST2 are known from the prototyping tests, they can be used
for mass production without invoking the learning routine again. The following sequence of commands should be
applied in mass production:
• VREF set to the same value as during learning in prototype tests
• Program ATQ_LRN_MIN_CURRENT
• Program ATQ_LRN_STEP
• Program ATQ_LRN_CONST1
• Program ATQ_LRN_CONST2
• Write 1b to ATQ_EN
Figure 7-24 shows the consolidated flowchart of the auto-torque learning routine.
DRV8461
SLOSE98 – DECEMBER 2022
www.ti.com
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