Electronic component search and free download site. Transistors,MosFET ,Diode,Integrated circuits
English
한국어
日本語
русский
简体中文
español
Número de pieza
componentes Descripción
SLA7044M Ver la hoja de datos (PDF) - Sanken Electric co.,ltd.
Número de pieza
componentes Descripción
Fabricante
SLA7044M
2-Phase Stepper Motor Unipolar Driver ICs
Sanken Electric co.,ltd.
SLA7044M Datasheet PDF : 4 Pages
1
2
3
4
2-Phase Stepper Motor Unipolar Driver ICs (2W1-2 Phase Excitation/Micro-step Support)
SLA7042M/SLA7044M
s
Internal Block Diagram
OFF time timer
(TOFF 3-step switching)
PWM
Chopper ON
Noise filter
(2
µ
s)
COMP
Enable
Reference voltage
Vref a b c
0% 0 0 0
20% 1 0 0
40% 0 1 0
55.5% 1 1 0
71.4% 0 0 1
83% 1 0 1
91% 0 1 1
100% 1 1 1
Phase
Reset
Latch
Ph. a b c
Reset
Shift register
Ph. a b c
Reference voltage
cba
Vref
000
0%
0 0 1 20%
0 1 0 40%
0 1 1 55.5%
1 0 0 71.4%
1 0 1 83%
1 1 0 91%
1 1 1 100%
Phase
Latch
Reset
c b a Ph.
Shift register
Reset
c b a Ph.
OFF time timer
(TOFF 3-step switching)
Chopper ON
Noise filter
(2
µ
s)
PWM
COMP
Enable
s
Output Current Formula
K V
REF
I
O
=
•
3 R
S
K: Reference voltage setting rate by serial signal
(See the internal block diagram)
s
Diagram of Standard External Circuit
V
CC
5V
4 15 1 8 11 18
R
1
V
DD
A V
DD
B OUT A OUT A OUT B OUT B
CLOCK A
5
V
REF
ENABLE
3
REF A
REF B
14
SLA7042M
SLA7044M
CLOCK B
16
STROBE A
2
STROBE B
13
R
2
C
1
GND A GND B
RS A
DATA A
6
DATA B
17
RS B
7 12
9
10
R
S
R
S
C
1
: 500 to 10000pF
SLA7042M/SLA7044M
45
Share Link:
datasheetq.com [
Privacy Policy
]
[
Request Datasheet
] [
Contact Us
]