| Parameters | 
                                    
                                                                                                                        
                                                | Mfr | 
                                                Allegro MicroSystems | 
                                            
                                                                                    
                                                | Series | 
                                                - | 
                                            
                                                                                    
                                                | Package | 
                                                Tape & Reel (TR) | 
                                            
                                                                                    
                                                | Product Status | 
                                                Active | 
                                            
                                                                                    
                                                | Motor Type - Stepper | 
                                                Bipolar | 
                                            
                                                                                    
                                                | Motor Type - AC, DC | 
                                                - | 
                                            
                                                                                    
                                                | Function | 
                                                Driver - Fully Integrated, Control and Power Stage | 
                                            
                                                                                    
                                                | Output Configuration | 
                                                Half Bridge (4) | 
                                            
                                                                                    
                                                | Interface | 
                                                Logic | 
                                            
                                                                                    
                                                | Technology | 
                                                DMOS | 
                                            
                                                                                    
                                                | Step Resolution | 
                                                1, 1/2, 1/4, 1/16 | 
                                            
                                                                                    
                                                | Applications | 
                                                General Purpose | 
                                            
                                                                                    
                                                | Current - Output | 
                                                2.5A | 
                                            
                                                                                    
                                                | Voltage - Supply | 
                                                3V ~ 5.5V | 
                                            
                                                                                    
                                                | Voltage - Load | 
                                                8V ~ 35V | 
                                            
                                                                                    
                                                | Operating Temperature | 
                                                -20°C ~ 150°C (TJ) | 
                                            
                                                                                    
                                                | Mounting Type | 
                                                Surface Mount | 
                                            
                                                                                    
                                                | Package / Case | 
                                                28-TSSOP (0.173", 4.40mm Width) Exposed Pad | 
                                            
                                                                                    
                                                | Supplier Device Package | 
                                                28-TSSOP-EP | 
                                            
                                                                                    
                                                | Base Product Number | 
                                                A3979 | 
                                            
                                                                                    
                                                | RoHS Status | 
                                                ROHS3 Compliant | 
                                            
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 
                                                2  (1 Year) | 
                                            
                                                                                    
                                                | REACH Status | 
                                                REACH Unaffected | 
                                            
                                                                                    
                                                | ECCN | 
                                                EAR99 | 
                                            
                                                                                    
                                                | HTSUS | 
                                                8542.39.0001 | 
                                            
                                                                                    
                                                | Standard Package | 
                                                4,000 | 
                                            
                                                                                                                
                                
                             
                                                Bipolar Motor Driver DMOS Logic 28-TSSOP-EP