Datasheet Specifications
- Part number
- A4982
- Manufacturer
- Allegro
- File Size
- 1.37 MB
- Datasheet
- A4982-Allegro.pdf
- Description
- DMOS Microstepping Driver
Description
A4982 DMOS Microstepping Driver with Translator and Overcurrent Protection .
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 ▪ Thin profile QFN and TSSOP packages ▪ Thermal shuApplications
* where a complex microprocessor is unavailable or is overburdened. During stepping operation, the chopping control in the A4982 automatically selects the current decay mode, Slow or Mixed. In Mixed decay mode, the device is set initially to a fast decay for a proportion of the fixed off-time, then toA4982 Distributors
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