參數(shù)資料
型號: L6460TR
廠商: STMICROELECTRONICS
元件分類: 運動控制電子
英文描述: STEPPER MOTOR CONTROLLER, PQFP64
封裝: 10 X 10 MM, 1 MM HEIGHT, ROHS COMPLIANT, TQFP-64
文件頁數(shù): 55/139頁
文件大?。?/td> 3837K
代理商: L6460TR
Electrical specifications
L6460
22/139
Doc ID 17713 Rev 1
tdelay
Current limit
delay time
5
μs
tOC_off
Over current Off time
MtrXIlimitOffTimeY[1:0]=00
MtrXIlimitOffTimeY[1:0]=01
MtrXIlimitOffTimeY[1:0]=10
MtrXIlimitOffTimeY[1:0]=11
(19)
60
120
240
480
s
tr1_2
Output rise time
bridges 1 and 2
VSupply = 36V, resistive load
between outputs:
R= 25
Ω(20)
100
180
250
ns
tr3_4
Output rise time
bridges 3 and 4
VSupply = 36V, resistive load
between outputs:
R= 36
50
100
200
ns
tf1_2
Output fall time
bridges 1 and 2
VSupply = 36V, resistive load
between outputs:
R= 25
100
180
250
ns
tf3_4
Output fall time
bridges 3 and 4
VSupply = 36V, resistive load
between outputs:
R= 36
50
125
250
ns
tdeadRise
Anti crossover rising dead time
100
300
450
ns
tdeadFall
Anti crossover falling dead
time
100
300
450
ns
FPWM
Operating frequency
Fosc/51
2
kHz
tresp
Delay from PWM to output
transition
500
ns
Bipolar stepper circuitry
VSTEPREF
Reference voltage
SelStepRef =0
SelStepRef =1
0.48
0.72
0.50
0.75
0.52
0.78
V
Voffset
Sense comparator offset
-12
12
mV
tblk
Blanking time
StepBlkTime = ‘00’ (8)
0.65
0.95
1.25
s
StepBlkTime = ‘01’
1
1.45
1.9
s
StepBlkTime = ‘10’
1.5
2.25
3
s
StepBlkTime = ‘11’
3
4.25
5.5
s
Synchronous buck regulator (bridge 3)
VAUX_SW
Output pin voltage range
(DC3x)
-1
VSupply
V
IQ
Output leakage current
Tjunction = 125°C
-50
+50
A
IQLP
Output leakage current in “Low
Power Mode”
VSupply = 36V
Tjunction = 125°C
-10
+10
A
Table 5.
Electrical characteristics (continued)
Parameter
Description
Test condition
Min
Typ
Max
Unit
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