A3949SLB Allegro Microsystems Inc, A3949SLB Datasheet - Page 6

• Manufacturer Part Number: A3949SLB
• Description: IC MOTOR DRIVER PWM FULL 16-SOIC
• Manufacturer: Allegro Microsystems Inc

Specifications of A3949SLB

• Applications: PWM Motor Driver
• Number Of Outputs: 1
• Current - Output: ±2.8A
• Voltage - Supply: 8 V ~ 36 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Load: -

A3949
*These pins are internally connected.
ENABLE
PHASE
SENSE
SLEEP
MODE
VREG
Name
OUTB
OUTA
GND
GND
VBB
VCP
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
ENABLE
PHASE
SENSE
SLEEP
MODE
OUTA
GND
N/C
1
2
3
4
5
6
7
8
Description
LB Package
DMOS Full-Bridge Motor Driver
16
15
14
13
12
11
10
9
N/C
VREG
VCP
GND
CP2
CP1
OUTB
VBB
Number
13*
10
11
12
14
15
16
4*
1
2
3
5
6
7
8
9
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
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