Datasheet Details
- Part number
- A3974
- Manufacturer
- Allegro Micro Systems
- File Size
- 284.33 KB
- Datasheet
- A3974_AllegroMicroSystems.pdf
- Description
- Dual Dmos Full-bridge Microstepping PWM Motor Driver
A3974 Description
www.DataSheet4U.com 3974 LOAD 43 SUPPLY1 SENSE1 OUT1A ENABLE1 GND GND GND NC OUT1B NC NC DMOS DUAL FULL-BRIDGE PWM MOTOR DRIVER Designed for pulse-w.
Serial Interface.
A3974 Features
* s ±1.5 A, 50 V Continuous Output Rating s Low rDS(on) DMOS Output Drivers s Programmable Slow, Fast, and Mixed Current-Decay Modes s Serial-Interface Controls Chip Functions s Synchronous Rectification for Low Power Dissipation s Internal UVLO and Thermal Shutdown Circuitry s Crossover-Current Prote
A3974 Applications
* saving cost and external component count, while minimizing power dissipation. Internal circuit protection includes thermal shutdown with hysteresis, undervoltage monitoring of VDD and the charge pump, and crossover-current protection. Special power-up sequencing is not required. The A3974SED is sup
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