| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            6 Weeks | 
                                        
                                                                            
                                            | Package / Case | 
                                            24-WFQFN Exposed Pad | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C TA | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e4 | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            yes | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            2  (1 Year) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            24 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            Nickel/Palladium/Gold (Ni/Pd/Au) | 
                                        
                                                                            
                                            | Terminal Position | 
                                            QUAD | 
                                        
                                                                            
                                            | Terminal Form | 
                                            NO LEAD | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            260 | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            5V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.5mm | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | Base Part Number | 
                                            BQ25619 | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            S-PQCC-N24 | 
                                        
                                                                            
                                            | Number of Channels | 
                                            1 | 
                                        
                                                                            
                                            | Interface | 
                                            I2C, USB | 
                                        
                                                                            
                                            | Analog IC - Other Type | 
                                            POWER SUPPLY MANAGEMENT CIRCUIT | 
                                        
                                                                            
                                            | Adjustable Threshold | 
                                            YES | 
                                        
                                                                            
                                            | Fault Protection | 
                                            Over Current, Over Temperature, Over Voltage | 
                                        
                                                                            
                                            | Battery Chemistry | 
                                            Lithium Ion/Polymer | 
                                        
                                                                            
                                            | Number of Cells | 
                                            1 | 
                                        
                                                                            
                                            | Voltage - Supply (Max) | 
                                            13.5V | 
                                        
                                                                            
                                            | Programmable Features | 
                                            Current, Timer, Voltage | 
                                        
                                                                            
                                            | Current - Charging | 
                                            Constant - Programmable | 
                                        
                                                                            
                                            | Charge Current - Max | 
                                            1A | 
                                        
                                                                            
                                            | Battery Pack Voltage | 
                                            4.52V Max | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            0.8mm | 
                                        
                                                                            
                                            | Length | 
                                            4mm | 
                                        
                                                                            
                                            | Width | 
                                            4mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                                                    
                            
                         
                                                BQ25619RTWT Overview
It is contained in the package Tape & Reel (TR).An included version of it is available in the package 24-WFQFN Exposed Pad.Keeping the temperature at -40°C~85°C TA will ensure reliable performance.Analog IC POWER SUPPLY MANAGEMENT CIRCUIT is responsible for implementing the device.To charge the device, there is a requirement for Constant - Programmable current.The related parts of the base part number BQ25619 can be found by following the order of the base part number.It is possible to find a total of 24 terminations.There is 4.52V Max voltage in the battery pack.Several programmable features, including Current, Timer, Voltage.It is rated at 1A at maximum charging current.In total, this application supports 1 channels.Devices with 13.5V maximum supply voltages are recommended.It should be possible to run it from a 5V battery it should be able to run at all times.
BQ25619RTWT Features
Battery pack voltage of 4.52V Max
1 channels
24-WFQFN Exposed Pad package
BQ25619RTWT Applications
There are a lot of Texas Instruments BQ25619RTWT Battery Chargers ICs applications. 
- Wireless power
 - Marine buoy lights
 - Industrial handhelds
 - Pallet jacks
 - Ruggedized notebooks/tablet computers
 - Automotive/electrical vehicle
 - Laptops
 - Model aircraft
 - Emergency/Security
 - Battery backup applications