A3995 Allegro MicroSystems, A3995 Datasheet - Page 8

• Manufacturer Part Number: A3995
• Description: DMOS Dual Full Bridge PWM Motor Driver
• Manufacturer: Allegro MicroSystems

A3995
Terminal List Table
Number
10
1
13
14
15
16
17
18
19
0
1

3
4
5
6
7
8
9
30
31
3
33
34
35
36
11
1

3
4
5
6
7
8
9
–
NC
OUT1A
SENSE1
OUT1B
VBB
OUT1B
SENSE1
OUT1A
NC
PHASE
VDD
NC
VREF1
VREF
NC
GND
PHASE1
GND
NC
OUTA
SENSE
OUTB
VBB
OUTB
SENSE
OUTA
MODE
MODE1
NC
GND
V
CP
CP
GND
ENABLE1
ENABLE
PAD
DMOS Dual Full Bridge PWM Motor Driver
CP
1

Name
ENABLE1
ENABLE2
MODE1
GND
GND
VCP
CP1
CP2
NC
28
29
30
31
32
33
34
35
36
No Connect
DMOS Full Bridge 1 Output A
Sense Resistor Terminal for Bridge 1
DMOS Full Bridge 1 Output B
Load Supply Voltage
DMOS Full Bridge 1 Output B
Sense Resistor Terminal for Bridge 1
DMOS Full Bridge 1 Output A
No Connect
Control Input
Logic Supply Voltage
No Connect
Analog Input
Analog Input
No Connect
Ground
Control Input
Ground
No Connect
DMOS Full Bridge  Output A
Sense Resistor Terminal for Bridge 
DMOS Full Bridge  Output B
Load Supply Voltage
DMOS Full Bridge  Output B
Sense Resistor Terminal for Bridge 
DMOS Full Bridge  Output A
Control Input
Control Input
No Connect
Ground
Reservoir Capacitor Terminal
Charge Pump Capacitor Terminal
Charge Pump Capacitor Terminal
Ground
Control Input
Control Input
Exposed pad for enhanced thermal performance. Should
be soldered to the PCB
Pin-out Diagram
PAD
18
17
16
15
14
13
12
11
10
Description
GND
PHASE1
GND
NC
VREF2
VREF1
NC
VDD
PHASE2
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
8