| Parameters | 
                                                                                                                        
                                                | Mfr | Analog Devices Inc. | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Tape & Reel (TR) | 
                                                                                    
                                                | Product Status | Active | 
                                                                                    
                                                | Battery Chemistry | Lithium Ion | 
                                                                                    
                                                | Number of Cells | 1 | 
                                                                                    
                                                | Current - Charging | Constant | 
                                                                                    
                                                | Programmable Features | Current, Timer | 
                                                                                    
                                                | Fault Protection | Undervoltage | 
                                                                                    
                                                | Charge Current - Max | 50mA | 
                                                                                    
                                                | Battery Pack Voltage | 4.2V | 
                                                                                    
                                                | Voltage - Supply (Max) | 5.5V | 
                                                                                    
                                                | Interface | - | 
                                                                                    
                                                | Operating Temperature | -20°C ~ 85°C (TJ) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 12-VFQFN Exposed Pad | 
                                                                                    
                                                | Supplier Device Package | 12-LQFN (2x2) | 
                                                                                    
                                                | Base Product Number | LTC4126 | 
                                                                                    
                                                | RoHS Status | ROHS3 Compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Standard Package | 500 | 
                                                                                                                
                                
                             
                                                Charger IC Lithium Ion 12-LQFN (2x2)