Digitally Programmable Dual Full-Bridge MOSFET Driver

The A3985 is a flexible dual full-bridge Gate driver suitable for driving a wide range of higher power industrial bipolar 2-phase stepper motors or 2-phase brushless dc motors. It CAN also be used to drive two individual torque motors or solenoid actuators. Motor power is provided by external N-channel Power MOSFETs at supply voltages from 12 to 50 V.
Full digital control is provided by two serially-accessible Registers that allow programming of off-time, blank-time, dead-time, mixed decay ratios, synchronous rectification, master Clock source selection, and division ratio and idle mode. All internal Timings are derived from a master Clock that CAN be generated on-chip or provided by an external Clock such as the system Clock of the master controller. A programmable divider allows for a wide range of external system Clock frequencies.
By Allegro MicroSystems, Inc.
A3985 's PackagesA3985 's pdf datasheet
A3985SLD-T
A3985SLDTR-T




A3985 Pinout, Pinouts
A3985 pinout,Pin out
This is one package pinout of A3985,If you need more pinouts please download A3985's pdf datasheet.

A3985 Application circuits
A3985 circuits
This is one application circuit of A3985,If you need more circuits,please download A3985's pdf datasheet.


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A3985 Application Notes A3985 RoHS A3985 Circuits A3985 footprint
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