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DRV8461SPWPR 데이터시트(PDF) 60 Page - Texas Instruments

부품명 DRV8461SPWPR
상세설명  DRV8461: 65 V, 3 A Stepper Motor Driver for High Efficiency and Noiseless Operation
PDF  117 Pages
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

DRV8461SPWPR 데이터시트(HTML) 60 Page - Texas Instruments

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START
STALL
DETECTION
AUTOMATIC LEARNING
MANUAL
DRVOFF = 0
Spin Motor with
desired DIR, STEP
nFAULT = 0?
SPI READ
Fault status
YES
NO
DRVOFF = 0
Spin Motor with
desired DIR, STEP
STL = 1?
NO
Stop Motor
SPI WRITE
CTRL4 = 0xB0
YES, Motor
Stalled
nFAULT = 1?
EN_OUT = 0
Inves gate Fault
Condi on
NO
YES
Clear Fault
Stall Motor
SPI READ
DIAG Status 2
STL_LRN_OK =
1?
nFAULT = 0?
SPI READ
Fault status
YES
NO
STL = 1?
Other Faults
take ac on
NO
Stop Motor
SPI WRITE
CTRL4 = 0xB0
YES, Motor
Stalled
nFAULT = 1?
EN_OUT = 0
Inves gate Fault
Condi on
NO
YES
Clear Fault
SPI WRITE
Ini alize Registers
4.5V
VM
65V
MODE = 1
Wait tWAKE
nSLEEP = 1
EN_OUT = 0
SPI WRITE
CTRL4 = 0x3C
Set Desired VREF
EN_OUT =1
Spin Motor with
desired DIR, STEP
Stall Motor for > 16
Electrical Cycles
SPI READ
DIAG Status 2
Stop Motor
Remove Stall
Clear Fault
Spin Motor with
desired DIR, STEP
SPI READ
Fault status
SPI READ
Fault status
Stop Motor
Clear Fault
Stop Motor
Clear Fault
Other Faults,
Take ac on
SPI WRITE
CTRL5, 6 = STALL_TH
CTRL4 = 0x1C
Set Desired VREF
EN_OUT = 1
Spin Motor with
desired DIR, STEP
NO
YES, Learn
Success
Re-learn
Clear Fault
SPI_READ CTRL7 and CTRL8 Registers to get
TRQ_COUNT while spinning at the desired
speed. Start with a STALL_TH of TRQ_COUNT/2
and ne tune for reliable Stall detec on.
Figure 7-43. Stall learning flowchart
DRV8461
SLOSE98 – DECEMBER 2022
www.ti.com
60
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Copyright © 2022 Texas Instruments Incorporated
Product Folder Links: DRV8461



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