Part Number
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A3992 |
Manufacturer
|
Allegro MicroSystems |
Description
|
DMOS Dual Full-Bridge Microstepping PWM Motor Driver |
Published
|
May 2, 2007 |
Detailed Description
|
A3992
DMOS Dual Full-Bridge Microstepping PWM Motor Driver
FEATURES AND BENEFITS
▪ ±1.5 A, 50 V continuous output ratin...
|
Datasheet
|
A3992
|
Overview
A3992
DMOS Dual Full-Bridge Microstepping PWM Motor Driver
FEATURES AND BENEFITS
▪ ±1.
5 A, 50 V continuous output rating ▪ Low RDS(on) DMOS output drivers ▪ Short-to-ground protection ▪ Shorted load protection ▪ Optimized microstepping via six bit linear DACs ▪ Programmable mixed, fast, and slow current decay modes ▪ 4 MHz internal oscillator for digital timing ▪ Serial interface controls chip functions ▪ Synchronous rectification for low power dissipation ▪ Internal UVLO and thermal shutdown circuitry ▪ Crossover-current protection ▪ Inputs compatible with 5 or 3.
3 V control signals ▪ Sleep and Idle modes
PACKAGE:
24-pin TSSOP with exposed thermal pad (suffix LP)
Not to scale
DESCRIPTION
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