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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