| Parameters | 
                                                                                                            
                                        | Mfr | Analog Devices Inc. | 
                                                                        
                                        | Series | - | 
                                                                        
                                        | Package | Tube | 
                                                                        
                                        | Product Status | Active | 
                                                                        
                                        | Battery Chemistry | Lead Acid | 
                                                                        
                                        | Number of Cells | 1 | 
                                                                        
                                        | Current - Charging | Constant | 
                                                                        
                                        | Programmable Features | Current, Voltage | 
                                                                        
                                        | Fault Protection | Over Temperature, Over Voltage | 
                                                                        
                                        | Charge Current - Max | - | 
                                                                        
                                        | Battery Pack Voltage | 1.3V ~ 80V | 
                                                                        
                                        | Voltage - Supply (Max) | 80V | 
                                                                        
                                        | Interface | I²C | 
                                                                        
                                        | Operating Temperature | -40°C ~ 125°C (TJ) | 
                                                                        
                                        | Mounting Type | Surface Mount | 
                                                                        
                                        | Package / Case | 64-WFQFN Exposed Pad | 
                                                                        
                                        | Supplier Device Package | 64-QFN (7x11) | 
                                                                        
                                        | Base Product Number | LT8491 | 
                                                                        
                                        | RoHS Status | ROHS3 Compliant | 
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                        
                                        | REACH Status | REACH Unaffected | 
                                                                        
                                        | ECCN | EAR99 | 
                                                                        
                                        | HTSUS | 8542.39.0001 | 
                                                                        
                                        | Standard Package | 33 | 
                                                                                                        
                            
                         
                                                Charger IC Lead Acid 64-QFN (7x11)