A3949SLB View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
'A3949SLB' PDF : 8 Pages View PDF
A3949
DMOS Full-Bridge Motor Driver
Terminal List Table
Name
Description
N/C
MODE
PHASE
GND
SLEEP
ENABLE
OUTA
SENSE
VBB
OUTB
CP1
CP2
GND
VCP
VREG
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
Number
TSSOP-16
SOIC-16
1
1
2
2
3
3
4*
4*
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13*
13*
14
14
15
15
16
16
*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.
6
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
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