MTD2017F Ver la hoja de datos (PDF) - Shindengen
Número de pieza
componentes Descripción
Fabricante
MTD2017F Datasheet PDF : 5 Pages
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Stepper Motor Driver IC
■Block diagram / Typical application
MTD2017F
Vcc
CPU
or
GATE
ARRAY
28 PHA1
1
Vcc1
Vmm
47
OUT1A OUT1B
2
Vmm1
13
Vmm2
8 11
OUT2B OUT2A
Vcc
14
Vcc2
PHA2 15
CPU
or
GATE
ARRAY
Vcc
R1
VREF1
24
1/10
R2 VREF2
Vr
Current
Sensor
ONE
-
SHOT
+
TSD
120deg 170deg
UVLO
Current
Sensor
-
+
ONE
SHOT
VREF2
1/10
19
Vr
VREF1
I1 1 I0 1
26 27
CR1
23
STB
Vs1
SENSE1 GND STB GND
SENSE2
Vs2
25 6
21
19 TAB
9 18
CR2
20
CPU
or
Ct A
GATE ARRAY
Rf A
Rt A Cf A
Rs A
STB
signal
Rs B
Rf B
Cf B Rt B
I0 2
I1 2
16 17
CPU
CtB
or
GATE ARRAY
●Constant chopping current level
Ichop = VREF − 0.015
10Rs
●ONE SHOT OFF TIME
Toff = 1.1CtRt
●Recommended component values
Symbol
Recommended component values
Unit
Ct
3300
pF
Rt
4.7
kΩ
Cｆ
820
pF
Rf
1.0
kΩ
Shindengen Electric Mfg.Co.Ltd
W1002
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