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3962 Datasheet(PDF) 2 Page - Allegro MicroSystems

Part # 3962
Description  DUAL FULL-BRIDGE PWM MOTOR DRIVER
PDF  8 Pages
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

3962 Datasheet(HTML) 2 Page - Allegro MicroSystems

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115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
3962
DUAL FULL-BRIDGE
PWM MOTOR DRIVER
FUNCTIONAL BLOCK DIAGRAM AND TYPICAL
BIPOLAR STEPPER MOTOR APPLICATION
TRUTH TABLE
ENABLE
PHASE
OUTA
OUTB
H
X
Off
Off
LH
H
L
LL
L
H
X = Irrelevant
50
75
100
125
150
2.5
1.5
1.0
0.5
0
TEMPERATURE in
°C
2.0
25
R
= 6
°C/W
θJT
R
= 60
°C/W
θJA
Dwg. GP-019-1
MOTOR SUPPLY
OUT
ENABLE 1
PHASE 1
CONTROL LOGIC
AND LEVEL SHIFT
OUT
1A
1B
C
V
BB
BB
V CC
CC
C
OUT
ENABLE 2
PHASE 2
OUT
2A
2B
RC
SENSE
R
C
1
1
T1
T1
S1
GND
REF
R
R
R
RC
S2
T2
1
OUT
IN
REF
SENSE
2
2
RC 2
RT2
BLANKING
TIME AND
SOURCE
DRIVER T
CONTROL
OFF
UVLO
AND
TSD
CONTROL LOGIC
AND LEVEL SHIFT
BLANKING
TIME AND
SOURCE
DRIVER T
CONTROL
OFF
VOLTAGE
REFERENCE
+
_
LOGIC SUPPLY
+
_
Copyright © 1995 Allegro MicroSystems, Inc.



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