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DMOS Dual Full-Bridge PWM Motor Driver with Overcurrent Protection
A4986
The A4986 offers efficient and reliable control of stepper motors with its dual full-bridge design, parallel input communication, and integrated overcurrent protection.
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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 shutdown circuitry
Short-to-ground protection
Shorted load protection
Low current Sleep mode, <10 µA
The A4986 is supplied in a 24-contact QFN package (ES), and a 24-pin TSSOP package (LP) with an overall package height of ≤1.2 mm. Both packages have exposed pads for enhanced thermal dissipation, and are lead (Pb) free (suffix –T), with 100% matte tin plated leadframes.