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SLA7042M Datasheet(PDF) 2 Page - Allegro MicroSystems

Part # SLA7042M
Description  MICROSTEPPING, UNIPOLAR PWM, HIGH-CURRENT MOTOR CONTROLLER/DRIVER
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

SLA7042M Datasheet(HTML) 2 Page - Allegro MicroSystems

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


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