A3908 Allegro MicroSystems, A3908 Datasheet - Page 3

• Manufacturer Part Number: A3908
• Description: Low Voltage DC Motor Driver
• Manufacturer: Allegro MicroSystems

A3908
R1
R2
Number
1
2
3
4
5
6
7
8
VREF
VSET
IN1
IN2
Name
OUTB
OUTA
VSET
VREF
GND
VDD
IN1
IN2
VBG
Functional Block Diagram
Motor terminal
Ground
Input supply
Motor terminal
Select source-side output voltage
Bandgap reference
Control logic input
Control logic input
CHARGE
R
Drive
Sink
PUMP
OUTB
OUTA
Terminal Diagram
GND
VDD
3R
1
2
3
4
(Top View)
Control Logic
OUTA
OUTB
Description
8
7
6
5
Low Voltage DC Motor Driver
IN2
IN1
VREF
VSET
V
CP
3R
Drive
Sink
R
V
SET
OUTA
OUTB
VDD
GND
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
10 F
www.DataSheet4U.com
3 to 5.5V
3
3