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TMC2226-SA-T   the problem of usage



		

			

									
					    hangzougongs
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Nov 13, 2023 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
    The schematic diagram is as follows.Use only STEP/DIR standalone mode.Two-layer PCB,Now after power on, OB1/2,OA1/2 voltage is equal to the power supply voltage VS; When EN is enabled, the chip will burn. What is the reason
    

       
    
									
			                
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