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