Datasheet Specifications
- Part number
- A4983
- Manufacturer
- Allegro MicroSystems
- File Size
- 904.46 KB
- Datasheet
- A4983_AllegroMicroSystems.pdf
- Description
- DMOS Microstepping Driver
Description
A4983 DMOS Microstepping Driver with Translator .
Features
* ▪ Low RDS(ON) outputs ▪ Automatic current decay mode detection/selection ▪ Mixed and Slow current decay modes ▪ Synchronous rectification for low power dissipation ▪ Internal UVLO ▪ Crossover-current protection ▪ 3.3 and 5 V compatible logic supply ▪ Very thin profile QFN package ▪ Thermal shutdownApplications
* where a complex microprocessor is unavailable or is overburdened. The chopping control in the A4983 automatically selects the current decay mode (Slow or Mixed). When a signal occurs at the STEP input pin, the A4983 determines if that step results in a higher or lower current in each of the motor phA4983 Distributors
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