| Parameters | 
                                                                                                            
                                            | Mfr | onsemi | 
                                                                            
                                            | Series | - | 
                                                                            
                                            | Package | Tape & Reel (TR) | 
                                                                            
                                            | Product Status | Obsolete | 
                                                                            
                                            | Function | Battery Monitor | 
                                                                            
                                            | Battery Chemistry | - | 
                                                                            
                                            | Number of Cells | - | 
                                                                            
                                            | Fault Protection | Over Current, Over Temperature, Over/Under Voltage | 
                                                                            
                                            | Interface | I²C | 
                                                                            
                                            | Operating Temperature | - | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 20-UFBGA, WLCSP | 
                                                                            
                                            | Supplier Device Package | 20-WLCSP | 
                                                                            
                                            | Base Product Number | FAN54151 | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | REACH Status | REACH Unaffected | 
                                                                            
                                            | ECCN | EAR99 | 
                                                                            
                                            | HTSUS | 8542.39.0001 | 
                                                                            
                                            | Standard Package | 3,000 | 
                                                                                                    
                            
                         
                                                Battery Battery Monitor IC 20-WLCSP