L6219DS
DUAL FULL-BRIDGE
MOTOR DRIVER
PWM CURRENT-CONTROL CIRCUITRY
CHANNEL 1
VBB
TERMINAL NUMBERS
SHOWN.
24
I 0 20
I1 17
VREF 15
1
OUT A
OUT B
21
40 kΩ
20 kΩ
23 SENSE
÷10
10 kΩ
COMP IN –
22 +
RC
RS
CC
ONE
SHOT
14 RC
SOURCE
DISABLE
RT
CT
Dwg. EP-007-5
2.5
RθJT = 6°C/W
2.0
1.5
R θJA = 55°C/W
1.0
0.5
TRUTH TABLE
PHASE
H
L
OUTA
H
L
OUTB
L
H
0
25
50
75
100
125
150
TEMPERATURE in °C
Dwg. GP-019B
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1998 Allegro MicroSystems, Inc.