Datasheet Details
- Part number
- A3906
- Manufacturer
- Allegro MicroSystems
- File Size
- 681.79 KB
- Datasheet
- A3906_AllegroMicroSystems.pdf
- Description
- Low Voltage Stepper and Single/Dual DC Motor Driver
A3906 Description
A3906 Low Voltage Stepper and Single/Dual DC Motor Driver .
Designed for pulse-width modulated (PWM) control of low voltage stepper motors, and single and dual DC motors, the A3906 is capable of output currents.
A3906 Features
* ▪ 2.5 to 9 V operation ▪ Internal PWM current limit control ▪ Synchronous rectification for reduced power dissipation ▪ Peak current output flag ▪ Undervoltage lockout ▪ Low RDS(on) outputs ▪ Small package ▪ Brake mode for DC motors ▪ Sleep function ▪ Crossover-current protection ▪ Thermal shutdown
A3906 Applications
* include the following:
▪ Digital still cameras (DSC) ▪ Cell phone cameras ▪ USB-powered devices ▪ Battery-powered devices
Not to scale
Typical Applications
+5 V
0.1 µF
0.1 µF
CP1 CP2 CP3 CP4 VCP
SLEEP
IN1 IN2 IN3 IN4
VBB
A3906
OUT1A OUT1B SENSE1
OUT2A
FL1
FL2
OUT2B
GND
SENSE2
0.1 µF 1
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