參數(shù)資料
型號(hào): L6470HTR
廠商: STMICROELECTRONICS
元件分類: 運(yùn)動(dòng)控制電子
英文描述: STEPPER MOTOR CONTROLLER, 7 A, PDSO28
封裝: ROHS COMPLIANT, HTSSOP-28
文件頁(yè)數(shù): 6/64頁(yè)
文件大?。?/td> 814K
代理商: L6470HTR
Electrical characteristics
L6470
14/64
Doc ID 16737 Rev 2
thCK
tlCK
SPI clock high and low time (5)
TBD
ns
tsetCS
Chip select setup time (5)
TBD
ns
tholCS
Chip select hold time(5)
TBD
ns
tdisCS
Deselect time (5)
TBD
ns
tsetSDI
Data input setup time (5)
TBD
ns
tholSDI
Data input hold time (5)
TBD
ns
tenSDO
Data output enable time (5)
TBD
ns
tdisSDO
Data output disable time (5)
TBD
ns
tvSDO
Data output valid time (5)
TBD
ns
tholSDO
Data output hold time (5)
TBD
ns
Switch input (SW)
RPUSW
SW input pull-up resistance
SW = GND
60
85
110
k
Ω
PWM modulators
fPWM
Programmable PWM frequency (1)
fosc = 16MHz
2.8
62.5
kHz
fosc = 32MHz
5.6
125
NPWM
PWM resolution
8
bit
Overcurrent protection
OCD_thMAX
Maximum programmable overcurrent
detection threshold
OCD_TH = ‘1111’
6
A
OCD_thMIN
Minimum programmable overcurrent detection
threshold
OCD_TH = ‘0000’
0.375
A
OCD_thRES
Programmable overcurrent detection threshold
resolution
0.375
A
tOCD,Flag
OCD to Flag signal delay time
dIout/dt = 350A/s,
RFLAG = TBD
650
1000
ns
tOCD,SD
OCD to shut-down delay time
dIout/dt = 350A/s
POW_SR = '10'
600
s
VFLAG,
VBUSY
Open drain low level output voltage
Iod = 4mA
0.3
V
Standby
IqSTBY
Quiescent motor supply current in standby
conditions
VS = 8V
26
34
A
VS = 36V
30
36
tSTBY,min
Minimum standby time
10
μs
tlogicwu
Logic power-on and wake-up time
38
45
s
Table 4.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
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