L6258 STMicroelectronics, L6258 Datasheet - Page 12

• Manufacturer Part Number: L6258
• Manufacturer: STMicroelectronics

Specifications of L6258

• Operating Current: 15mA
• Motor Controller Type: PWM Motor Controller
• Package Type: PowerSO
• Operating Supply Voltage (min): 12V
• Operating Supply Voltage (typ): 34V
• Operating Supply Voltage (max): 5.25V
• Lead Free Status / Rohs Status: Not Compliant

Functional description
Figure 5.
2.2
12/32
VREF
PH
I0
I1
I2
I3
Current control loop block diagram
Input logic (I
The current level in the motor winding is selected according to this table:
Table 5.
DAC
INPUT TRANSCONDUCTANCE
VDAC
I3
H
H
H
H
H
H
H
H
L
L
L
Gin=1/Ra
+
-
AMPL.
Current levels
ia
0
SENSE TRANSCONDUCTANCE
- I
I2
H
H
H
H
H
H
H
L
L
L
L
Gs=1/Rb
1
V
ERROR AMPL.
R
- I
Rc
+
-
AMPL.
2
ib
ic
+
- I
-
Cc
VSENSE
3
)
I1
H
H
H
H
H
H
L
L
L
L
L
Tri_180
Tri_0
I0
H
H
H
H
H
H
L
L
L
L
L
+
+
-
-
POWER AMPL.
Current level
% of IMAX
No Current
VS
VS
19.1
28.6
38.1
47.6
55.6
63.5
71.4
77.8
82.5
9.5
D97IN625
OUTA
OUTB
R
R
LOAD
L
L
S
L
L6258