A3949_04 ALLEGRO [Allegro MicroSystems], A3949_04 Datasheet - Page 6

• Manufacturer Part Number: A3949_04
• Description: DMOS Full-Bridge Motor Driver
• Manufacturer: ALLEGRO [Allegro MicroSystems]

*For the TSSOP package, connect pins 4 and 13 to the exposed thermal pad via the PCB
layout. In the SOIC package, the pins are internally connected.
Terminal List Table
ENABLE
PHASE
SENSE
SLEEP
MODE
Name
OUTB
VREG
OUTA
GND
GND
VCP
VBB
CP1
CP2
N/C
N/C
Not used
Logic input
Logic input for direction control
Ground
Logic input
Logic input
Output A for full bridge
Power return
Load supply voltage
Output B for full bridge
Charge pump capacitor
Charge pump capacitor
Ground
Reservoir capacitor
Low side gate supply decoupler
Not used
Description
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
DMOS Full-Bridge Motor Driver
TSSOP-16
13*
10
11
12
14
15
16
4*
1
2
3
5
6
7
8
9
Number
SOIC-16
13*
10
12
14
15
16
4*
11
1
2
3
5
6
7
8
9
A3949
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