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STSPIN830 数据表(PDF) 11 Page - STMicroelectronics

部件名 STSPIN830
功能描述  Compact and versatile three-phase and three-sense motor driver
PDF  27 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STSPIN830 数据表(HTML) 11 Page - STMicroelectronics

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Figure 4. PWM current limit sequence example
VS
SENSEx
VS
OUTU
OUTV
RSENSE
Iphase
t
OFF
VREF/ RSNS
VREF
VSENSE
- VREF
OUTW
M
VS
SENSEx
VS
OUTU
OUTV
RSENSE
OUTW
M
VS
SENSEx
VS
OUTU
OUTV
RSENSE
OUTW
M
M
M
M
AM040382
Note:
When the voltage on the SNS pin exceeds the absolute ratings, fault condition is triggered and the EN\FAULT
output is forced low.
TOFF adjustment
The OFF time is adjusted through an external resistor connected between the TOFF pin and
ground as shown in Figure 5. OFF time regulation circuit .
Figure 5. OFF time regulation circuit
TOFF
ROFF
AM040383
STSPIN830
PWM current limiter
DS12584 - Rev 2
page 11/27



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