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UM0971 数据表(PDF) 21 Page - STMicroelectronics

部件名 UM0971
功能描述  STEVAL-IHM031V1 low voltage three-phase inverter demonstration board
PDF  45 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

UM0971 数据表(HTML) 21 Page - STMicroelectronics

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UM0971
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Doc ID 17701 Rev 1
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This means that the maximum instantaneous current amplifiable without distortion is 7.7A
(corresponding to Vout = 5 V). The user can modify the maximum current value by changing
the shunt resistor values.
Note:
The user should bear in mind that in AC and DC configuration the maximum value of op amp
output voltages are different, 3.3 V and 5 V respectively, when the currents on the shunt
resistor assume their allowed maximum values.
2.6.3
Three-shunt current reading configuration
The board can be configured to perform three-shunt current readings, one for each inverter
leg. Table 10 shows the related jumper settings:
2.6.4
Single-shunt current reading configuration
The board can be configured to perform single-shunt current readings. In this configuration,
the sensed current on the Rshunt resistor is the one flowing on the negative DC bus link.
Table 14 shows the related jumper settings:
Table 9.
DC current jumper configuration
Jumper
Position
J10
Not present
J11
Between 2-3
J12
Not present
Table 10.
Three-shunt jumper settings (default)
Jumper
Position
J14
Present
J15
Not present
J16
Not present
J17
Present
Table 11.
Single-shunt jumper settings
Jumper
Position
J14
Not present
J15
Present
J16
Present (default)
J17
Not present



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