L6258E STMicroelectronics, L6258E Datasheet - Page 12

• Manufacturer Part Number: L6258E
• Description: IC MOTOR DRIVER UNIV 36-PWRSOIC
• Manufacturer: STMicroelectronics
• Type: DMOS Dual Full Bridge Driverr

Specifications of L6258E

• Applications: DC Motor Driver, Stepper Motor Driver
• Number Of Outputs: 2/1
• Current - Output: 1.2A
• Voltage - Load: 12 V ~ 40 V
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: PowerSO-36 Exposed Bottom Pad
• Operating Supply Voltage: 12 V to 40 V
• Mounting Style: SMD/SMT
• Operating Temperature: 150 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Operating Temperature: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-1433-5

Functional description
Figure 5.
2.2
12/31
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
Doc ID 8688 Rev 9
+
- 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
L6258E
R
LOAD
L
L
S
L