MTD2017G 查看數據表（PDF） - Shindengen
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MTD2017G Datasheet PDF : 5 Pages
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Stepper Motor Driver IC
MTD Series
MTD2017G Dual Full-bridge
Microstepping PWM Motor Driver
Features
●Dual full bridge for a bipolar stepper motor driver
●Load supply voltage 35V , Output current 0.8A
●Constant current control (Fixed OFF time PWM control)
●2-bit selectable current level (Full step/Half step/Quarter step)
●Stand-by function
●Built-in flywheel and flyback diodes
●Under voltage lock out function
●Thermal shutdown with hysteresis
●Surface mount package with heat sink(HSOP24)
HSOP24
■Absolute maxmum ratings / Ta=25℃
Parameter
Symbol
Rating
Unit
Output voltage
Vmm
35
V
Output current
Logic supply
IOUT
0.8
A
Vcc
0〜6
V
Logic input
Power dissipation
Storage temperature range
VLOGIC
0〜Vcc
V
PT *1
2.1
W
Tstg
-40〜150
℃
Maximum Junction temperature
Tj
150
℃
*1 : 50.8×50.8×1mm3 Glass Epoxy Board(FR4),200mm2 Cupper Pattern
■Pin Assignment
MTD2017G
PHA 1
1
Vcc 1
2
Vmm 1
3
OUT 1A
4
SENSE 1
5
OUT 1B
6
GND
OUT 2B
7
SENSE 2
8
OUT 2A
9
Vmm 2
10
Vcc 2
11
PHA 2
12
TOP VIEW
24
I0 1
23
I1 1
22
Vs 1
21
VREF 1
20
CR 1
19
STB
GND
18
GND
17
CR 2
16
VREF 2
15
Vs 2
14
I1 2
13
I0 2
■Truth table
PHA 1 or 2
L
H
OUT A
L
H
OUT B
H
L
I0 I1
LL
HL
LH
HH
STB
L
H
Output current
ratio[%]
100
67
33
0
Vr[V]
(at VREF=5V)
0.500±5%
0.335±8%
0.165±10%
-
Mode
stand by
active
Shindengen Electric Mfg.Co.Ltd
W1002
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