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2919 Datasheet(PDF) 3 Page - Allegro MicroSystems

Part No. 2919
Description  DUAL FULL-BRIDGE PWM MOTOR DRIVER
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

2919 Datasheet(HTML) 3 Page - Allegro MicroSystems

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2919
DUAL FULL-BRIDGE
MOTOR DRIVER
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
A2919SLB
PWM CURRENT-CONTROL CIRCUITRY
1
2
3
4
5
6
7
8
9
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
GROUND
GROUND
GROUND
GROUND
02
I
12
I
PHASE 2
VREF 2
2
RC
VCC
1
RC
V
REF 1
PHASE 1
11
I
2B
OUT
SENSE 2
2
E
2A
OUT
1A
OUT
1
E
SENSE 1
1B
OUT
01
I
LOAD SUPPLY
LOGIC SUPPLY
θ
1
θ
2
Dwg. PP-047
2
1
50
75
100
125
150
5
1
0
TEMPERATURE IN
°C
4
3
2
25
Dwg. GP-049A
R
= 6.0
°C/W
θJT
SUFFIX 'B', R
= 40
°C/W
θJA
SUFFIX 'LB', R
= 55
°C/W
θJA
TRUTH TABLE
PHASE
OUT
A
OUT
B
HH
L
LL
H
VREF
Dwg. EP-007-3
V
BB
SENSE
ONE
SHOT
SOURCE
DISABLE
RC
+
I 0
I1
÷10
E
OUT A
OUTB
'B' PACKAGE,
CHANNEL 1
PIN NUMBERS
SHOWN.
RC
R
S
R
T
C
C
C
T
24
60 k
120 k
42 k
21
1
23
22
14
20
17
15
W
Copyright © 1994 Allegro MicroSystems, Inc.


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