Part Number
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A3949 |
Manufacturer
|
Allegro MicroSystems |
Description
|
DMOS Full-Bridge Motor Driver |
Published
|
Mar 23, 2005 |
Detailed Description
|
A3949 DMOS Full-Bridge Motor Driver
Features and Benefits
▪ Single supply operation ▪ Very small outline package ▪ Low ...
|
Datasheet
|
A3949
|
Overview
A3949 DMOS Full-Bridge Motor Driver
Features and Benefits
▪ Single supply operation ▪ Very small outline package ▪ Low RDS(ON) outputs ▪ Sleep function ▪ Internal UVLO ▪ Crossover current protection ▪ Thermal shutdown protection
Packages:
Package LB, 16-pin SOIC with internally fused pins
Description
Designed for PWM (pulse width modulated) control of DC motors, the A3949 is capable of peak output currents to ±2.
8 A and operating voltages to 36 V.
PHASE and ENABLE input terminals are provided for use in controlling the speed and direction of a DC motor with externally applied PWM control signals.
Internal synchronous rectification control circuitry is provided to reduce power dissipation d...
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