MTD2525J_17 [SHINDENGEN]
MTD2525J;
| 型号： | MTD2525J_17 |
| 厂家： | 
SHINDENGEN ELECTRIC MFG.CO.LTD |
| 描述： | MTD2525J |
| 文件： | 总7页 (文件大小：137K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Stepper Motor Driver IC
MTD Series
DMOS Microstepping
Dual PWM Motor Driver
MTD2525J
Features
●Dual stepper motor driver
●For a bipolar stepper motor
●Built in constant current chopping ( fixed frequency )
●DMOS output ; Vout = 40V, Iout = 1.0A
●2bit digital current selection
●Selectable current decay mode ( Slow/Fast/Mix Decay Mode)
●Built in UVLO function , thermal shutdown function
●Built in system reset circuitry
HSOP40
●Built in voltage regulator ( VREG=3.3V , Iout=250mA )
( VREG=2.5V , Iout=250mA )
●Surface mount type package with heat dissipation tab（HSOP40）
■Absolute maxmum ratings / Ta=25℃
Parameter
Symbol
Vmm
Value
40
Unit
V
Motor supply voltage
Motor driver output current
Logic supply voltage
I
1.0
A
V
OUT
Vcc1, Vcc2
V IN
0ꢀ～ꢀ７
Logic input voltage
0ꢀ～ꢀVcc
V
3.3V-Regulator output current
2.5V-Regulator output current
Reset-IC output current
Reset-IC output voltage
Power dissipation *
I REG
I REG
I RST
V RST
PD
250
mA
mA
mA
V
250
7
8
2.9
W
Storage temperature range
Maximum iunction temperature
Tstg
-40 ～ 150
150
℃
℃
Tj
*50.8×50.8×1mm3 Glass Epoxy Board(FR4),250mm2 Cupper Pattern
Shindengen Electric Mfg.Co.Ltd
W1001
Stepper Motor Driver IC
MTD2525J
■Pin Assignment
<TOP VIEW>
OUT A2-2
OUT A2-1
Rs A2
VmmA
PHA A2
I0 A2
1
2
40
39
38
37
36
35
34
33
32
31
OUT A1-2
OUT A1-1
Rs A1
3
4
PHA A1
I0 A1
5
6
I1 A1
I1 A2
7
CR A
cpA
8
DEC A
cpB
9
Vr A
cpC
10
RESET-OUT
GND Tab
Tab GND
REG2.5V
REG3.3V
Vcc 1
11
12
13
14
15
16
17
18
19
20
30
29
28
27
26
25
24
23
22
21
Vcc 2
Vr B
DEC B
CR B
I1 B2
I0 B2
I1 B1
PHA B2
VmmB
I0 B1
PHA B1
Rs B1
Rs B2
OUT B2-1
OUT B2-2
OUT B1-1
OUT B1-2
■Recommended operation conditions
Parameter
Symbol
Vmm
Recommendation
15～35
Unit
V
Motor supply voltage
Vcc1 logic supply voltage
Vcc2 logic supply voltage
Vr input voltage
Vcc1
Vcc2
Vr
4.75～5.50
4.20～5.50
0～5
V
V
V
Junction temperature
Tj
-25～120
℃
■Thermal resistance
Symbol
θja
Value
43
Unit
℃/W
*50.8×50.8×1mm3 Glass Epoxy Board(FR4),250mm2 Cupper Pattern
Shindengen Electric Mfg.Co.Ltd
W1001
Stepper Motor Driver IC
MTD2525J
■Electrical Characteristics 1
Ta=25℃,Vcc1=5V,Vcc2=5V,Vmm=24V unless otherwise specified
Parameter
Symbol
Condition
M IN
TYP
M AX
Unit
Common to all function
3.3-REG and 2.5-REG no load.
RESET-OUT="High"
Vcc1 Logic supply current
Icc1
Tsd
-
5
10
-
mA
℃
Thermal shutdown operation temperture
Stepper motor drivers
( Notes 1 )
(150)
170
Vcc2 UVLO Enable threshold
Vcc2UVLO
Icc2(OFF)
Icc2(ON)
ImmON
-
3.6
-
3.8
10
4.0
15
V
mA
mA
mA
mA
V
Vcc2 Logic supply current(when all circuit stop)
Vcc2 Logic supply current(all circuit operation)
M oter supply current(all circuit operation)
M oter supply current(stand-by)
Pha/I0/I1”High” input voltageꢀ
Pha/I0/I1 ”Low” input voltageꢀ
Pha/I0/I1 input current
-
-
-
15
20
The completion of charge
-
20
30
Imm(STB)
V IN H
Vcc=OPEN or 0V, Vmm=35V
-
-
100
Vcc2
0.7
10
-
-
2.0
GND
－
－
－
－
95
64
36
－
－
－
－
－
－
V IN L
V
－
I IN H
I IN L
V IN = 5V
V IN = 0V
－
μA
μA
μA
μA
%
DEC ”High” input currentꢀ
DEC "Low" input currentꢀ
Reference input current
I DEC H
I DEC L
I ref
V DEC = 5V
V DEC = 0V
500
-15
100
105
76
333
－
Vref = 3V
50
Comparator threshold(100%)
Comparator threshold(70%)
Comparator threshold(40%)
Source driver ON resistance
Sink driver ON resistance
Vs1
I0 = Low , I1 = Low
I0 = High , I1 = Low
I0 = Low , I1 = High
Iout = -0.8A
100
70
Vs2
%
Vs3
40
44
%
R ON H
R ON L
I leak
tb
0.6
0.6
－
0.8
0.8
100
－
Ω
Ω
μA
μs
m s
Iout = 0.8A
Vmm = 35V , Vout = 0V
Vout = 35V , Vtab = 0v
Output leakagr current
Blanking time
Ct=3300pF , Rt=18kΩ
1.55
－
Cp1=0.22μF,Cp2=0.01μF
Vmm=27V,Vcc2=0V→5V
CpA Charge setting time
Tchg
1.5
( Notes 1) shutdown temperature is assured by design
Shindengen Electric Mfg.Co.Ltd
W1001
Stepper Motor Driver IC
MTD2525J
■Electrical Characteristics 2
Ta=25℃ unless otherwise specified
Parameter
Symbol
Condition
M IN
TYP
M AX
Unit
3.3V - Voltage regulator
Vcc1=5.0V,I REG3.3 = 40mA
Vcc1=3.60V,I REG3.3 = 100mA
Vcc1=4.75V,V REG3.3 = 3.21V
Vcc1=3.60V,V REG3.3 = 3.10V
3.21
3.10
-
3.30
3.30
-
3.39
3.39
250
100
20
V
Output voltage 1
VREG3.3_1
VREG3.3_2
IREG3.3_1
Output voltage 2
V
Output max load current 1
Output max load current 2
Line regulation
mA
mA
mV
mV
IREG3.3_2
-
-
Vcc1=4.5～5.0V ,
I REG3.3= 40mA
△V LINE3.3
－
10
Load regulation
△V LOAD3.3 Vcc1 = 5V , I REG3.3 = 0～ 50mA
－
30
60
Vcc1=5V , V RIPPLE=1Vp-p
I REG3.3=40mA,f=120Hz,
C3.3=4.7μF
Ripple rejection
RR3.3
50
70
－
dB
2.5V - Voltage regulator
Output voltage 1
VREG2.5_1
VREG2.5_2
IREG2.5_1
IREG2.5_2
Vcc1=5.0V,I REG2.5 = 40mA
Vcc1=3.6V,I REG2.5 =100mA
Vcc1=4.75V,V REG2.5 = 2.425V
Vcc1=3.60V,V REG2.5 = 2.300V
2.425
2.300
-
2.500
2.500
-
2.575
2.575
250
100
20
V
Output voltage 2
V
Output max load current 1
Output max load current 2
Line regulation
mA
mA
mV
mV
-
-
△V LINE2.5 Vcc1=4.5～5.0V , I REG2.5= 40mA
－
10
Load regulation
△V LOAD2.5 Vcc1 = 5V , I REG2.5 = 0～ 50mA
Vcc1=5V , V RIPPLE=1Vp-p
－
30
60
Ripple rejection
RR2.5
I REG2.5=40mA,f=120Hz,
C2.5=4.7μF
50
70
－
dB
V
System reset circuitry
Detection voltage
RL = 1KΩ
VRST(sat)≦0.4V
Vcc1=High → Low
VsRST
4.15
4.35
4.55
Output leakage current
I RSTH
VRST(sat)
VopL
V RST = 8V
－
－
－
60
－
0.2
0.9
100
3
μA
V
Output saturation voltage
Operating logic supply vltage
"H" Transport delay time
Vcc1 = 2.5V , IRST = 3mA
0.4
1.0
140
RL = 1KΩ
VRST(sat)≦0.4V
V
tD
m s
Shindengen Electric Mfg.Co.Ltd
W1001
Stepper Motor Driver IC
MTD2525J
■Block diagram / Typical application
StepMotor
StepMotor
Logic Supply
Vcc=5V
Logic Supply
Vcc=5V
Load Supply
Load Supply
PHA B2
cpC
Vcc2
Vcc1
PHA A2
RsA2
RsB2
B
cpA
cpB
RsA1
A
RsB1
OUTA
1-1
OUTB
1-1
OUT A
2-2
OUT B
2-2
Vmm
A
Vmm B
SYSTEM
RESET
OUT
OUT
2-1
A
OUT
2-1
OUT
1-2
OUT
1-2
B
RESET
Charge
Vcc2
UVLO
Pump
TSD
1.25REF
Reg
3.3V
3.3V
Regulator
TSD
TSD
UVLO
TSD
UVLO
1.25REF
2.5V
Regulator
Reg
2.5V
1.25REF
DMOS
Full
DMOS
Full
DMOS
Full
DMOS
Full
1.25REF
PHA A1
DEC A
Vcc 2
Vcc 2
Bridge
Bridge
Bridge
Bridge
PHA B1
DEC B
RtB
RtA
CtA
UVLO
CR A
VrA
CtB
CtB
OSC
OSC
VrB
2-bit digital
current select
2-bit digital
current select
2-bit digital
current select
2-bit digital
current select
54k
54k
6k
6k
GND
TAB
I0A1
I1A1
I1B1
I0B1
I0A2
I1A2
I1B2
I0B2
■DEC truth table
条件
DECAYꢀM ode
Slow Decay
Mix decay
V DEC ＜ꢀ0.7V
1V＜ꢀV DEC ＜ꢀ3V
V DEC ＞ꢀ3V
Fast decay
■PHASE truth table
PHA A1
OUT A1-1
OUT A1-2
PHA A2
OUT A2-1
OUT A2-2
H
L
H
L
L
H
H
L
H
L
L
H
B side truth table is the same to A side
■Current control truth table
I0
I1
Output current (％)
L
L
100
70
40
0
H
L
H
L
H
H
Shindengen Electric Mfg.Co.Ltd
W1001
Stepper Motor Driver IC
MTD2525J
■Outline Drawing
( Unit : mm )
Shindengen Electric Mfg.Co.Ltd
W1001
Stepper Motor Driver IC
MTD2525J
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!
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Shindengen Electric Mfg.Co.Ltd
W1001
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