L6258E STMicroelectronics, L6258E Datasheet - Page 25

IC MOTOR DRIVER UNIV 36-PWRSOIC

L6258E

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

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

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L6258E
4.2
4.3
Figure 11. Typical application circuit
Motor selection
Some stepper motor have such high core losses that they are not suitable for switch mode
current regulation. Furthermore, some stepper motors are not designed for continuous
operating at maximum current. Since the circuit can drive a constant current through the
motor, its temperature might exceed, both at low and high speed operation.
Unused inputs
Unused inputs should be connected to the proper voltage levels in order to get the highest
noise immunity.
VS
100nF
10nF
1nF
DISABLE
TRI_CAP
VBOOT
VCP1
VCP2
PH1
I0_1
I1_1
I2_1
I3_1
PH2
I0_2
I1_2
I2_2
I3_2
VS
EA_IN1
10
11
12
13,31
7
2
4
3
32
33
17
15
16
23
22
6
29
1M
R1 1M
EA_OUT1
Doc ID 8688 Rev 9
820pF
30
PACKAGE
L6258E
SOP36
EA_IN2
25
1M
EA_OUT2
R2 1M
820pF
18,19
1,36
24
21
20
14
35
34
27
28
26
5
9
8
OUT2B
SENSE2
OUT2A
SENSE1
OUT1B
OUT1A
GND
PWR_GND
V
SIG_GND
VREF1
VREF2
DD
0.33
0.33
D97IN626E
Application information
V
VREF
M
DD
(5V)
STEPPER
MOTOR
12mH 10Ω
25/31

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