Datasheet Specifications
- Part number
- A3972
- Manufacturer
- Allegro MicroSystems
- File Size
- 295.85 KB
- Datasheet
- A3972_AllegroMicroSystems.pdf
- Description
- Dual DMOS Full-Bridge Microstepping PWM Motor Driver
Description
3972 CHARGE PUMP DUAL DMOS FULL-BRIDGE MICROSTEPPING PWM MOTOR DRIVER VCP CP1 CP2 OUT1B LOAD SUPPLY1 GROUND GROUND SENSE1 OUT1A STROBE CLOCK DATA 1 2.
Features
* I ±1.5 A, 50 V Continuous Output Rating I Low rDS(on) DMOS Output Drivers I Optimized Microstepping via 6-Bit Linear DACs I Programmable Mixed, Fast, and Slow Current-Decay Modes I 4 MHz Internal Oscillator for Digital Timing I Serial-Interface Controls Chip Functions I Synchronous Rectification forApplications
* saving cost and external component count, while minimizing power dissipation. Internal circuit protection includes thermal shutdown with hysteresis, transient-suppression diodes, and crossover-current protection. Special power-up sequencing is not required. The A3972SB is supplied in a 24-lead plasA3972 Distributors
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