参数资料
型号: L6258
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: STEPPER MOTOR CONTROLLER, 1.5 A, PDSO36
封装: ROHS COMPLIANT, SOP-36
文件页数: 4/32页
文件大小: 364K
代理商: L6258
Functional description
L6258
12/32
Doc ID 4588 Rev 10
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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