| Parameters | 
                                
                                                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            25-UFBGA, FCBGA | 
                                        
                                                                            
                                            | Supplier Device Package | 
                                            25-FlipChip (2.55x2.2) | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C TA | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3  (168 Hours) | 
                                        
                                                                            
                                            | Interface | 
                                            I2C, USB | 
                                        
                                                                            
                                            | Fault Protection | 
                                            Over Voltage | 
                                        
                                                                            
                                            | Battery Chemistry | 
                                            Lithium-Ion | 
                                        
                                                                            
                                            | Number of Cells | 
                                            1 | 
                                        
                                                                            
                                            | Voltage - Supply (Max) | 
                                            7.3V | 
                                        
                                                                            
                                            | Current - Charging | 
                                            Constant - Programmable | 
                                        
                                                                            
                                            | Battery Pack Voltage | 
                                            4.5V Max | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                                                    
                            
                         
                                                NCP1851FCCT1G Overview
If you are looking for it in the Tape & Reel (TR) package, then you have found it.The 25-UFBGA, FCBGA package includes it as a convenience.This device is mounted using type Surface Mount.It is best to set the temperature to -40°C~85°C TA in order to prevent the system from overheating.The device cannot be charged without Constant - Programmable current flowing through it.It is 4.5V Max for the battery pack.It is recommended to use devices with a maximum supply voltage of 7.3V.It has the supplier package 25-FlipChip (2.55x2.2).
NCP1851FCCT1G Features
Battery pack voltage of 4.5V Max
25-UFBGA, FCBGA package
NCP1851FCCT1G Applications
There are a lot of Rochester Electronics, LLC NCP1851FCCT1G Battery Chargers ICs applications. 
- Emergency/Security
 - Embedded automotive applications
 - Tablets
 - Remote sensor
 - Pallet jacks
 - Battery backup applications
 - GPS tracker
 - Drone
 - Electric tour bus
 - MP3, MP4 player