| Parameters | 
                                                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 24-WFQFN Exposed Pad | 
                                                                            
                                            | Surface Mount | YES | 
                                                                            
                                            | Operating Temperature | -40°C~85°C TA | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | Published | 2008 | 
                                                                            
                                            | JESD-609 Code | e3 | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 
                                                                            
                                            | Number of Terminations | 24 | 
                                                                            
                                            | ECCN Code | EAR99 | 
                                                                            
                                            | Terminal Finish | Matte Tin (Sn) | 
                                                                            
                                            | Terminal Position | QUAD | 
                                                                            
                                            | Terminal Form | NO LEAD | 
                                                                            
                                            | Peak Reflow Temperature (Cel) | 260 | 
                                                                            
                                            | Terminal Pitch | 0.5mm | 
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 30 | 
                                                                            
                                            | Base Part Number | LTC4066 | 
                                                                            
                                            | JESD-30 Code | S-PQCC-N24 | 
                                                                            
                                            | Function | Multi-Function Controller | 
                                                                            
                                            | Qualification Status | Not Qualified | 
                                                                            
                                            | Input Voltage-Nom | 5V | 
                                                                            
                                            | Interface | USB | 
                                                                            
                                            | Analog IC - Other Type | BATTERY CHARGE CONTROLLER | 
                                                                            
                                            | Input Voltage (Min) | 4.35V | 
                                                                            
                                            | Control Mode | VOLTAGE-MODE | 
                                                                            
                                            | Output Current-Max | 0.525A | 
                                                                            
                                            | Input Voltage (Max) | 5.5V | 
                                                                            
                                            | Switcher Configuration | SINGLE | 
                                                                            
                                            | Fault Protection | Over Current | 
                                                                            
                                            | Battery Chemistry | Lithium-Ion | 
                                                                            
                                            | Number of Cells | 1 | 
                                                                            
                                            | Height Seated (Max) | 0.8mm | 
                                                                            
                                            | Length | 4mm | 
                                                                            
                                            | Width | 4mm | 
                                                                            
                                            | RoHS Status | Non-RoHS Compliant | 
                                                                                                    
                            
                         
                                                LTC4066EUF Overview
For the 24-WFQFN Exposed Pad package, it is appropriate. IC BATTERY CHARGE CONTROLLER is the system battery's analog IC. A Tube case is included with the smart tools battery. Surface Mount is in the way of this electronic component. It is capable of delivering the Multi-Function Controller functions. For the electric part to perform effectively, it should operate at a temperature around -40°C~85°C TA. There is Lithium-Ion in the battery chemistry of this electronic component. The model is based on the LTC4066 family. 
LTC4066EUF Features
Available in 24-WFQFN Exposed Pad Package 
Mounting Type: Surface Mount
Battery Chemistry : Lithium-Ion
LTC4066EUF Applications
There are a lot of Linear Technology/Analog Devices LTC4066EUF Battery Management ICs applications. 
- Chargers 50 kW to 350 kW
- Refrigerator
- Base station RRH
- Home appliances
- Consumer electronics
- Internet infrastructure equipment
- Rear light with animation
- Leisure
- TFT cluster 
- Air conditioner