Stepper Motor Controller IC, SGM42630 Replace A3979SLPT.
FEATURES

? 8V to 35V Motor Power Supply Voltage Range

? PWM with Up to 2.6A Current per Winding

? Low On-Resistance (0.29Ω for HS + LS, @ +25℃)

? Microstepping Indexer: 1, 1/2, 1/4 and 1/8 

? Step and Direction Interface 

? Programmable Decay, Blanking and Off-Time

? Auto-Decay Mode 

? UVLO for VM, VCC, VCP, VGD Voltages

? Over-Current Protection (OCP) 

? Thermal Shutdown (TSD) 

? Available in a Green TSSOP-28 (Exposed Pad) Package

PIN CONFIGUTION
优势替代
A3979SLPT A3979SLPT.pdf

No.11934

FEATURES

? ±2.5 A, 35 V output rating

? Low RDS(On) outputs: 0.28 Ω source, 0.22 Ω sink, typical 

? Automatic current decay mode detection/selection 

3.0 to 5.5 V logic supply voltage range

? Slow, Fast or Mixed current decay modes

? Home output

? Synchronous rectification for low power dissipation 

? Internal UVLO and thermal shutdown circuitry

? Crossover-current protection



PIN CONFIGUTION
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