E-L6258EP STMICROELECTRONICS [STMicroelectronics], E-L6258EP Datasheet - Page 7
E-L6258EP
Manufacturer Part Number
E-L6258EP
Description
PWM CONTROLLED - HIGH CURRENT DMOS UNIVERSAL MOTOR DRIVER
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.E-L6258EP.pdf
(22 pages)
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Figure 5. Current Control Loop Block Diagram
3.2 Input Logic (I
The current level in the motor winding is selected according to this table:
Table 5.
VREF
PH
I0
I1
I2
I3
I3
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
DAC
INPUT TRANSCONDUCTANCE
VDAC
0
- I
Gin=1/Ra
1
I2
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
+
-
- I
AMPL.
2
ia
- I
3
)
SENSE TRANSCONDUCTANCE
Gs=1/Rb
V
ERROR AMPL.
R
I1
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
Rc
+
-
AMPL.
ib
ic
+
-
Cc
VSENSE
I0
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
Tri_180
Tri_0
+
+
-
-
POWER AMPL.
Current level
% of IMAX
No Current
19.1
28.6
38.1
47.6
55.6
63.5
71.4
77.8
82.5
88.9
92.1
95.2
98.4
100
9.5
VS
VS
D97IN625
OUTA
OUTB
L6258EP
R
R
L
LOAD
L
S
L
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