參數(shù)資料
型號: L6258E
廠商: STMICROELECTRONICS
元件分類: 運動控制電子
英文描述: STEPPER MOTOR CONTROLLER, 1.5 A, PDSO36
封裝: ROHS COMPLIANT, SOP-36
文件頁數(shù): 4/31頁
文件大?。?/td> 360K
代理商: L6258E
Functional description
L6258E
12/31
Doc ID 8688 Rev 9
Figure 5.
Current control loop block diagram
2.2
Input logic (I0 - I1 - I2 - I3)
The current level in the motor winding is selected according to this table:
DAC
+
-
+
-
VDAC
ia
ic
Rc
Cc
VR
+
-
ib
+
-
+
-
ERROR AMPL.
INPUT TRANSCONDUCTANCE
AMPL.
VS
RL
LL
RS
LOAD
OUTA
OUTB
VREF
I0
I1
I2
I3
PH
Gin=1/Ra
VSENSE
Gs=1/Rb
Tri_180
POWER AMPL.
SENSE TRANSCONDUCTANCE
AMPL.
D97IN625
Tri_0
Table 5.
Current levels
I3
I2
I1
I0
Current level
% of IMAX
HH
No Current
HH
H
L
9.5
HH
L
H
19.1
HH
L
28.6
HLH
H
38.1
HLHL
47.6
HL
LH
55.6
HL
L
63.5
LH
H
71.4
LH
HL
77.8
LHLH
82.5
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