SLA7042M 查看數據表（PDF） - Allegro MicroSystems
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SLA7042M Datasheet PDF : 8 Pages
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SLA7042M AND SLA7044M
MICROSTEPPING,
UNIPOLAR PWM, HIGH-CURRENT
MOTOR CONTROLLER/DRIVERS
REF/ENABLE 3 14
+
V DD – 1
FUNCTIONAL BLOCK DIAGRAM
ENABLE
CONTROL
SUPPLY
4
15
VDD
V REF
D/A
+
OUT A/B
1
11
OUT A/B
8
18
STROBE 2 13
DATA 6 17
CLOCK 5 16
LATCHES
SHIFT REG
CHANNEL A PIN NUMBERS
CHANNEL B PIN NUMBERS
PHASE
12
7
GROUND
10
9
SENSE
Dwg. FK-006
Note that channels A and B are electrically isolated.
25
20
15
ALLOWABLE PACKAGE
POWER DISSIPATION
10
R θJM = 5.0°C/W
5
R θJA = 28°C/W
0
25
50
75
100
TEMPERATURE in °C
125
150
Dwg. GK-018-1
115 Northeast Cutoff, Box 15036
™
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1995, 1998 Allegro MicroSystems, Inc.
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