Shindengen MTD2017GE Dual full-bridge pwm stepper motor driver Datasheet

Stepper Motor Driver IC
MTD Series
Dual Full-bridge
Microstepping PWM Motor Driver
MTD2017G
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
IOUT
0.8
A
Logic supply
Vcc
0〜6
V
Logic input
VLOGIC
0〜Vcc
V
Power dissipation
PT *1
2.1
W
Storage temperature range
Tstg
-40〜150
℃
Maximum Junction temperature
Tj
150
℃
*1 :
50.8×50.8×1mm3
Glass Epoxy
Board(FR4),200mm2
■Pin Assignment
■Truth table
MTD2017G
PHA 1
Vcc 1
Vmm 1
OUT 1A
SENSE 1
OUT 1B
1
2
3
4
5
6
TOP VIEW
24
23
22
21
20
19
GND
OUT 2B
SENSE 2
OUT 2A
Vmm 2
Vcc 2
PHA 2
I0 1
I1 1
Vs 1
VREF 1
CR 1
STB
GND
7
8
9
10
11
12
Cupper Pattern
18
17
16
15
14
13
Shindengen Electric Mfg.Co.Ltd
GND
CR 2
VREF 2
Vs 2
I1 2
I0 2
PHA 1 or 2
OUT A
OUT B
L
L
H
H
H
L
I0
I1
Output current
ratio[%]
Vr[V]
(at VREF=5V)
L
L
100
0.500±5%
H
L
67
0.335±8%
L
H
33
0.165±10%
H
H
0
-
STB
Mode
L
stand by
H
active
W1002
Stepper Motor Driver IC
MTD2017G
■Electrical Characteristics
Ta=25℃ unless otherwise specified
item
symbol
condition
MIN
TYP
MAX
unit
Logic supply current(2circuit ON)
Icc(ON)
Vcc=5V
-
50.0
62.0
mA
Logic supply current(2circuit OFF)
Icc(OFF)
Vcc=5V,I0=I1=H
-
17.0
21.0
mA
Load supply current(2circuit OFF)
Imm(OFF)
Vcc=5V,Vmm=35V,I0=I1=H
-
5.0
7.4
mA
Logic supply current(STB)
Icc(STB)
Vcc=5V,STB=L
-
3.5
4.7
mA
Load supply current(STB)
Imm(STB)
Vcc=5V,Vmm=35V,STB=L
-
-
10.0
μA
PHA H input voltage
VPHA H
Vcc=5V
2.0
-
Vcc
V
PHA L input voltage
VPHA L
Vcc=5V
GND
-
0.8
V
PHA H input current
IPHA H
Vcc=5V,VPHA =5V
-
-
10.0
μA
PHA L input current
IPHA L
Vcc=5V,VPHA =0V
-
-1.0
-10.0
μA
I0,I1 H input voltage
V(I0,I1) H
Vcc=5V,Vmm=12V
2.0
-
Vcc
V
I0,I1 L input voltage
V(I0,I1) L
Vcc=5V,Vmm=12V
GND
-
0.8
V
I0,I1 H input current
I(I0,I1) H
Vcc=5V,V(I0,I1)=5V
-
-
10.0
μA
I0,I1 L input current
I(I0,I1) L
Vcc=5V,V(I0,I1)=0V
-
-2.0
-30.0
μA
STB H input voltage
VSTB H
Vcc=5V
2.0
-
Vcc
-
STB L input voltage
VSTB L
Vcc=5V
GND
-
0.8
-
Vref input voltage
VREF
-
1.0
-
7.5
V
Vref input current
IREF
Vcc=5V,VREF=0V
-1
-
10.0
μA
Vs input current
Is
Vcc=5V,Vs=0V
-1
-
10.0
μA
comparator threshold(100%)
Vs1
Vcc=VREF=5V,I0=L,I1=L
0.475
0.500
0.525
V
comparator threshold(67%)
Vs2
Vcc=VREF=5V,I0=H,I1=L
0.308
0.335
0.362
V
comparator threshold(33%)
Vs3
Vcc=VREF=5V,I0=L,I1=H
0.140
0.165
0.182
V
Upper transistor saturation drop
Vce(SAT)H
Ic=0.8A
-
1.20
1.40
V
Lower transistor saturation drop
Vce(SAT)L
Ic=0.8A
-
0.70
1.00
V
Output leak current
Ir
Vmm=Vce(sus)V,Vout=0V
-
-
10.0
μA
Upper diode forward drop
VF H
If=0.8A
-
1.30
1.50
V
Lower diode forward drop
VF L
If=0.8A
-
1.40
1.60
V
One Shot OFF time
T OFF
Ct=3300pF,Rt=4.7KΩ
-
17.1
-
μS
UVLO threshold
Vuv
-
-
4.0
-
V
Thermal shutdown temperature
TjTSD
-
-
170
-
℃
■Recommended operation conditions
Parameter
Symbol
Recommendation
Unit
Junction temperature
Tj
-25〜120
℃
Logic supply
Vcc
4.5〜5.5
V
Load supply
Vmm
10〜27
V
■Thermal resistance
Symbol
Rating
Unit
θja *
58
℃/W
* 50.8×50.8×1mm3 Glass Epoxy Board(FR4),200mm2 Cupper Pattern
Shindengen Electric Mfg.Co.Ltd
W1002
Stepper Motor Driver IC
MTD2017G
■Block diagram / Typical application
Vcc
Vcc
Vmm
2
CPU
or
GATE
ARRAY
1
4
Vcc1
PHA1
6
3
OUT1A OUT1B
10
Vmm1
7
Vmm2
9
OUT2B
11
Vcc2
OUT2A
PHA2
12
CPU
or
GATE
ARRAY
16
VREF1
Vcc
R1
VREF1
21
R2
VREF2
1/10
1/10
Vr
VREF2
Vr
TSD
ONE
SHOT
Current
Sensor
120deg
+
Current
Sensor
170deg
+
UVLO
ONE
SHOT
STB
I1 1
23
I0 1
CR1
24
Vs1
20
22
SENSE1
5
18
Rf A
CPU
or
GATE ARRAY
Ct A
Rt A
Cf A
●Constant chopping current level
Ichop =
VREF
− 0.015
10 Rs
●ONE SHOT OFF TIME
Rs A
GND
STB
19
SENSE2
GND
TAB
Vs2
8
15
CR2
I0 2
17
I1 2
13
14
Rf B
STB
signal
Rs B
Cf B
Rt B
CtB
CPU
or
GATE ARRAY
●Recommended component values
Symbol
Recommended component values
Unit
Ct
3300
pF
Rt
4.7
kΩ
Cf
820
pF
Rf
1.0
kΩ
Toff = 1.1CtRt
Shindengen Electric Mfg.Co.Ltd
W1002
Stepper Motor Driver IC
MTD2017G
■Outline Drawing
(Unit : mm)
Shindengen Electric Mfg.Co.Ltd
W1002
Stepper Motor Driver IC
!
!
MTD2017G
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W1002
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