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DRV8461SPWPR 数据表(PDF) 48 Page - Texas Instruments

部件名 DRV8461SPWPR
功能描述  DRV8461: 65 V, 3 A Stepper Motor Driver for High Efficiency and Noiseless Operation
PDF  117 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

DRV8461SPWPR 数据表(HTML) 48 Page - Texas Instruments

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START
Load motor with
minimum load
torque
SPI WRITE
ATQ_TRQ_MIN =
ATQ_TRQ_MAX = IFS
ATQ_UL = ATQ_LL = 0
KP = 1
Motor stalled?
Reduce current
(ATQ_TRQ_MIN = ATQ_TRQ_MAX)
No
Yes
Note current as IA
Set ATQ_TRQ_MIN = 1.1 * IA
Motor stalled?
Increase current
(ATQ_TRQ_MIN = ATQ_TRQ_MAX)
Yes
No
Load motor with
maximum load
torque
Set ATQ_UL = 0.5 * AMAX
Note current as IB, ATQ_CNT as AMAX
Set ATQ_TRQ_MAX = 1.1 * IB
Load motor with
applica on speci c
load pro le
Motor stalled?
Decrease ATQ_UL ll
motor is not stalled
Yes
Increase ATQ_UL ll motor
stalls
No
Figure 7-27. Selecting ATQ_TRQ_MIN, ATQ_TRQ_MAX, ATQ_UL, ATQ_LL
DRV8461
SLOSE98 – DECEMBER 2022
www.ti.com
48
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Copyright © 2022 Texas Instruments Incorporated
Product Folder Links: DRV8461



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