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L6480 数据表(PDF) 14 Page - STMicroelectronics

部件名 L6480
功能描述  The L6480, realized in analog mixed signal technology, is an advanced fully integrated solution suitable for driving two-phase bipolar stepper motors with microstepping.
PDF  73 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6480 数据表(HTML) 14 Page - STMicroelectronics

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Electrical characteristics
L6480
14/73
Doc ID 023278 Rev 3
trCK
tfCK
SPI clock rise and fall time(4)
1µs
thCK
tlCK
SPI clock high and low time(4)
90
ns
tsetCS
Chip select setup time(4)
30
ns
tholCS
Chip select hold time (4)
30
ns
tdisCS
Deselect time(4)
625
ns
tsetSDI
Data input setup time(4)
20
ns
tholSDI
Data input hold time(4)
30
ns
tenSDO
Data output enable time(4)
95
ns
tdisSDO
Data output disable time (4)
95
ns
tvSDO
Data output valid time (4)
35
ns
tholSDO
Data output hold time(4)
0ns
PWM modulators
fPWM
Programmable PWM frequency(2)
fosc = 32 MHz
F_PWM_INT=’11X’
F_PWM_DEC=’000’
5.6
kHz
fosc = 32 MHz
F_PWM_INT=’000’
F_PWM_DEC=’111’
125
NPWM
PWM resolution
8
bit
Overcurrent protection
VOCD
Programmable overcurrent detection voltage
VDS threshold
OCD_TH = ‘11111’
800
1000
1100
mV
OCD_TH = ‘00000’
27
31
35
mV
OCD_TH = ‘01001’
270
312.5
344
mV
OCD_TH = ‘10011’
500
625
688
mV
tOCD,Comp
OCD comparator delay
100
200
ns
tOCD,Flag
OCD to flag signal delay time
230
530
ns
tOCD,SD
OCD to shutdown delay time
OCD_TH = '11111'
OCD event to 90% of
gate voltage
400
630
ns
Stall detection
VSTALL
Programmable stall detection VDS voltage
threshold
STALL_TH = '11111'
1000
mV
STALL_TH = '00000'
31
Standby
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max. Unit



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