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EVAL-AD5941BATZ can't work correctly

		
	
				

			

									
					    Otto
					
							

            
            			
				
									
											
			
			
				
			
			
			    	
			                    
                
				                on Nov 28, 2022 
				
			
			
		

		
		                     
				
        		

		    
		    		    
		    			

			    
I use EVAL-AD5941BATZ to calculate the EIS of Lithium iron phosphate battery. But some problems have occurred.  I connect F+ and S+ to the positive pole of the battery and connect F- and S- to the negative pole of the battery. The first problem is that Analog  Devices SensorPal will flash back when drag Battery Impedance tool into the work area. The second problem is that the EIS figure is not correct, it should be a curve. Please help me, thanks!


 





			

			
									
		                             
                        

    

                                            
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                on May 10, 2026 4:03 AM
            
            
						
			            		
    
		
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    Hi there, I was wondering if you’ve ever used the AD5941BATZ daughter board to measure simple resistors, like a 1 kΩ through-hole resistor? Right now, when I measure using the 4-wire EIS method, the impedance curves I get are similar to what you showed in your photos—just messy, random-looking lines. Do you have any ideas on how to fix this issue?
    
			
    

		
			
	      

		
		
	
    
	
    
		
    
			
		
    
	
    
	
    
		
						
						
				
						
				
				
		
		
    
			
		
    
	
    

    

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                on May 10, 2026 4:03 AM
            
            
						
			            		
    
		
										0
					
	
    

		
		
    
		
    
                                
                                                            
    
					
    Hi there, I was wondering if you’ve ever used the AD5941BATZ daughter board to measure simple resistors, like a 1 kΩ through-hole resistor? Right now, when I measure using the 4-wire EIS method, the impedance curves I get are similar to what you showed in your photos—just messy, random-looking lines. Do you have any ideas on how to fix this issue?
    
			
    

		
			
	      

		
		
	
    
	
    
		
    
			
		
    
	
    
	
    
		
						
						
				
						
				
				
		
		
    
			
		
    
	
    

    

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