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POWERSTEP01 数据表(PDF) 68 Page - STMicroelectronics

部件名 POWERSTEP01
功能描述  System-in-package integrating microstepping controller and 10 A power MOSFETs
PDF  92 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

POWERSTEP01 数据表(HTML) 68 Page - STMicroelectronics

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Programming manual
powerSTEP01
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DocID025022 Rev 5
The UVLOVAL bit sets the UVLO protection thresholds:
When the device operates in voltage mode, the EN_VSCOMP bit sets if the motor supply
voltage compensation is enabled or not.
When the device operates in voltage mode, the F_PWM_INT bits set the integer division
factor of PWM frequency generation:
Table 45. Programmable UVLO thresholds
UVLOVAL
VccthOn
VccthOff
DVBOOTThOn
DVBOOTThOff
0
6.9 V
6.3 V
6 V
5.5 V
1
10.4 V
10 V
9.2 V
8.8 V
Table 46. Motor supply voltage compensation enable
EN_VSCOMP
Motor supply voltage compensation
0
Disabled
1
Enabled
Table 47. PWM frequency: integer division factor
F_PWM_INT
[2 … 0]
Integer division factor
00
0
1
00
1
2
01
0
3
01
1
4
10
0
5
10
1
6
11
0
7
11
1



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