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L6472 Datasheet(PDF) 14 Page - STMicroelectronics

Part # L6472
Description  dSPIN fully integrated microstepping motor driver
PDF  69 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6472 Datasheet(HTML) 14 Page - STMicroelectronics

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Electrical characteristics
L6472
14/69
Doc ID 022729 Rev 1
trCK
tfCK
SPI clock rise and fall time (7)
CL = 30pF
25
ns
thCK
tlCK
SPI clock high and low time
(7)
75
ns
tsetCS
Chip select setup time (7)
350
ns
tholCS
Chip select hold time (7)
10
ns
tdisCS
De-select time (7)
800
ns
tsetSDI
Data input setup time (7)
25
ns
tholSDI
Data input hold time (7)
20
ns
tenSDO
Data output enable time (7)
38
ns
tdisSDO
Data output disable time (7)
47
ns
tvSDO
Data output valid time (7)
57
ns
tholSDO
Data output hold time (7)
37
ns
Switch input (SW)
RPUSW
SW input pull-up resistance
SW = GND
60
85
110
k
Ω
Current control
I
STEP,max
Max. programmable
reference current
4
A
I
STEP,min
Min. programmable reference
current
31
mA
Overcurrent protection
IOCD,MAX
Maximum programmable
overcurrent detection
threshold
OCD_TH = ‘1111’
6
A
IOCD,MIN
Minimum programmable
overcurrent detection
threshold
OCD_TH = ‘0000’
0.37
5
A
IOCD,RES
Programmable overcurrent
detection threshold resolution
0.37
5
A
tOCD,Flag OCD to flag signal delay time dIout/dt = 350A/µs
650
1000
ns
tOCD,SD
OCD to shutdown delay time
dIout/dt = 350A/µs POW_SR =
'10'
600
µs
Standby
IqSTBY
Quiescent motor supply
current in standby conditions
VS = 8V
26
34
µA
VS = 36V
30
36
tSTBY,min Minimum standby time
10
µs
tlogicwu
Logic power-on and wake-up
time
38
45
µs
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit



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