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L9953 Datasheet(PDF) 18 Page - STMicroelectronics

Part # L9953
Description  Door actuator driver
PDF  38 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9953 Datasheet(HTML) 18 Page - STMicroelectronics

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Electrical specifications
L9953 / L9953XP
18/38
Doc ID 14278 Rev 3
Figure 7.
SPI - driver turn-on/off timing, minimum CSN hi time
Figure 8.
SPI - timing of status bit 0 (fault condition)
CSN
dON
t
20%
80%
tr in
f in
t
OFF
t
dOFF
t
OFF state
ON state
OFF state
ON state
ON
t
output current
of a driver
50%
50%
80%
20%
20%
80%
50%
output current
of a driver
CSN low to high: data from shift register
is transferred to output power switches
t
CSN_HI,min
CSN
CLK
DI
DO
CSN high to low and CLK stays low: status information of data bit 0 (fault condition) is transfered to DO
DI: data is not accepted
DO: status information of data bit 0 (fault condition) will stay as long as CSN is low
time
time
time
time
0-



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