MTD2003S Ver la hoja de datos (PDF) - Shindengen
Número de pieza
componentes Descripción
Fabricante
MTD2003S Datasheet PDF : 5 Pages
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Stepper Motor Driver IC
MTD Series
MTD2003S Dual Full-bridge
PWM Stepper Motor Driver
Features
●Dual full bridge for a bipolar stepper motor driver
●Output current 1.2A , Output voltage 35V
●Constant current control(fixed frequency PWM control)
●2-bit digital current selection
●Noise cancellation function
●Built-in flywheel and flyback diodes
●Cross conduction protection
●Shrink-ZIP package （SZIP32）
■Absolute maxmum ratings / Ta=25℃
Parameter
Symbol
Rating
Unit
Output voltage
Vmm
35
V
Output current
Logic supply
IOUT
1.2
A
Vcc
0〜6
V
Logic input
Allowable power disspation
Storage tmperature range
VLOGIC
0〜Vcc
V
PD
4.31
W
Tstg
-40〜150
℃
MaximumJunction temperature
Tj
150
℃
SZIP32
■Pin Assignment
MTD2003S
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
MARKING SIDE VIEW
GND
CR
Vs B
NC
I1
IN3
IN4
Vcc
Vmm B
OUT4
NC
Rs B
NC
OUT3
GND
GND
GND
GND
NC
OUT2
NC
Rs A
NC
OUT1
Vmm A
Vcc
IN1
IN2
I0
Vs A
Vr
GND
Shindengen Electric Mfg.Co.Ltd
■Truth table
IN 1 or 4
L
L
H
H
IN 2 or 3
L
H
L
H
OUT 1 or 4
OFF
L
H
OFF
OUT 2 or 3
OFF
H
L
OFF
I0 I1
LL
HL
LH
HH
Output current
ratio[%]
100
70
33
0
Vref[V]
(at Vr=5V)
0.50±5%
0.35±8%
0.17±10%
-
W1002
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