MTD2017G-3072 Ver la hoja de datos (PDF) - Unspecified
Número de pieza
componentes Descripción
Fabricante
MTD2017G-3072 Datasheet PDF : 5 Pages
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Stepper Motor Driver IC
■Block diagram / Typical application
MTD2017G
Vcc
CPU
or
GATE
ARRAY
1 PHA1
2
Vcc1
Vmm
46
OUT1A OUT1B
3
Vmm1
10
Vmm2
79
OUT2B OUT2A
Vcc
11
Vcc2
PHA2 12
CPU
or
GATE
ARRAY
Vcc
R1
VREF1
21
1/10
R2 VREF2
Vr
Current
Sensor
ONE
-
SHOT
+
TSD
120deg 170deg
UVLO
Current
Sensor
-
+
ONE
SHOT
VREF2
1/10
16
Vr
VREF1
STB
I1 1 I0 1
23 24
CR1
20
Vs1
SENSE1 GND STB GND
SENSE2
Vs2
22 5
18
19 TAB
8 15
CR2
17
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
13 14
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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