Thread Details

  • Replies 1 reply
  • Subscribers 1 subscriber
  • Views 168 views
  • Users 0 members are here
Options
Related 

        

            Post
             Go back to editing
        

    

    


    

    




















	
	
			
	
		
		
	
	
		

	    
	    
	    		
IC严重发热

		
	
				

			

									
					    神秘嘉宾
					
							

            
            			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Mar 4, 2025 
				
			
			
		
    
		
		                     
				
        		
    
		    
		    		    
    
		      		            		        
    Category: Hardware
    
    		        		            		    
    Product Number:  MAX33251EELC+, MAX33251E, MAX33251E 
    
    		        		    		    
    
		    		    
		    			
    
			    
    芯片232端悬空，ttl端串联33R电阻至MCU和缓冲器驱动LED灯，电路板上电MAX33251EELC+发热。I电源正常，无短路
    

    原路图如下
    

     
    

     
    

     
    

     
    
			
    
			
									
		                                 
    Thread Notes  
    
                
    
        
                                        
                        

    
    
                                            
                 MAX33251EELC+
                
                                                    
                 hardware
                
                                                    
                 Digital Isolation Technology
                
                                                    
                 MAX33251E
                
                                                    
                 Isolated RS-232
                
                                
            
    
    
    
		
    

				
				        
        		
    
			
						
									
												
			
			
                        
                                    
                        
                        
                        
            
			            
						
						
			
			
			
			
		
    

        
        
        
    
					
    
			
    


    
















    
	
    
	
    
					



			


				
	









	


    

	
			
    

    





		
    
		
    
			
      
				
    • 
					
												
						
						
						
						
						
						
						

																									
						
						

					
					
					
				
      •