udn2993lb Allegro MicroSystems, Inc., udn2993lb Datasheet - Page 4

• Manufacturer Part Number: udn2993lb
• Description: Dual H-bridge Motor Drivers
• Manufacturer: Allegro MicroSystems, Inc.

2.4V
ENABLE
GROUND
PHASE
ENABLE
2993
DUAL H-BRIDGE
MOTOR DRIVERS
GROUND
PHASE
0.8V
TEST FIGURES
V
DD
V
TURN-ON
DELAY
DD
TURN-ON
= 5V
DELAY
= 5V
FIGURE 1
FIGURE 2
OUT 1
I
OUT
V
V
V
BB
mA
V
E
2
BB
E
mH
= 40V
= 40V
Dwg. No. A-12,449
Dwg. No. A-12,450
OUT 2
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
TURN-ON
TURN-ON
DELAY
DELAY
+5V
5.6K
2-PHASE BIPOLAR STEPPER MOTOR DRIVE
470 K
INPUT
INPUT
_
+
10K
A
B
0.1
10K
TYPICAL APPLICATION
IN
+5V
+5V
+36V
A
+ 5V
0
0
1
(Chopper Mode)
1
2
3
4
5
6
7
8
V
BB
1K
56
V
DD
16
15
14
13
12
11
10
9
1
0.1
IN
B
10K
10K
0.1
Dwg. No. A-12,453
Dwg. No. A-12,454
+5V
470K
_
+
5.6K