Product Number  | 
                                                        Absolute Max Vin  | 
                                                        Control Topology  | 
                                                        Charge Current (A)  | 
                                                        Charge Termination Voltage (V)  | 
                                                        Discharge Current (A)  | 
                                                        Discharge Termination Current (mA)  | 
                                                        Discharging Efficiency  | 
                                                        Integrated LED Drivers  | 
                                                        NTC  | 
                                                        Shutdown Method  | 
                                                        Package  | 
                                                        PDF  | 
                        
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SY3409 | 6 | Linear | 0.2 | 4.2 | 0.2 | 3 | 0.92 | 2*LED driver | Underloading/key button | SOP-8 | 
                                
                                     | 
                        |
| SY7609 | 6 | Linear | 0.2 | 4.2 | 0.2 | 4 | 0.93 | 2*LED driver | Underloading | SOT23-6 | 
                                
                                     | 
                        |
| SY7656 | 6 | Linear | 1 | 4.2 | 1 | 10 | 0.93 | driver/4*LED driver | Key switch or constant output (optional) | ESOP-8 | 
                                
                                     | 
                        |
| SY8805 | 28 | Switching | 0.04~1.5 | 4~4.5 | 0.5+0.5 | 3 | 0.93 | 1~3*LED | Underloading | QFN-20(3X3) | 
                                
                                     | 
                        |
| SY8809 | 28 | Switch | 0.02~2.2 | 4.05~4.5 | 0.5+0.5 | 2~12 | 0.93 | 1-4*LED driver | 
                                                                                                                                                                                                                                                                                         | 
                                                       Underloading power-cut | QFN24(4X4) | 
                                
                                     | 
                        
| SY8821 | 20 | Linear | 0.15~1 | 4.2/4.35 | 0.16+0.16 | 5 | 0.93 | 1~4燈 1-4 *LED driver | 
                                                                                                                                                                                                                                                                                         | 
                                                       Underloading | QFN16(3X3) | 
                                
                                     | 
                        
| SY7659 | 6 | Linear | 0.2 | 4.2 | 0.2 | 4 | 93% | 2*LED/4*LED | Underloading | SOP-8 | 
                                
                                     | 
                        |
| SY8816 | 30 | Linear | 0.1-0.5 | 4.2/4.35 | 0.15+0.15 | 3 | 92% | 2*LED /4*LED | 
                                                                                                                                                                                                                                                                                         | 
                                                       Underloading/Key button | SSOP-10 | 
                                
                                     | 
                        
| SY8817 | 30 | Linear | 0.1-0.5 | 4.2/4.35 | 0.15+0.15 | 3 | 92% | Underloading/EN button | YSOP-12 | 
                                
                                     | 
                        ||
| SY8827 | 30 | Linear | 0.2 | 4.2 | 0.2 | 4 | 93% | 2*LED/4*LED | Underloading | SOP-8 | 
                                
                                     | 
                        |
| SY8829 | 30 | Linear | 0.1~0.5 | 4.2/4.35 | 0.2 | 3 | 92% | 2*LED/4*LED | 
                                                                                                                                                                                                                                                                                         | 
                                                       Underloading/Key button | SOP-8 | 
                                
                                     | 
                        
| SY8833 | 6 | Linear | 0.1~0.5 | 4.2~4.45 | 0.2+0.2 | 2~20 | 93% | 1~6*LED | 
                                                                                                                                                                                                                                                                                         | 
                                                       Underloading | SOP-16 | 
                                
                                     | 
                        
| SY8834 | 35 | Linear | 0.1~0.5 | 4.2~4.45 | 0.2+0.2 | 2~20 | 93% | 1~6*LED | 
                                                                                                                                                                                                                                                                                         | 
                                                       Underloading | SOP-16 | 
                                
                                     | 
                        
| SY8835 | 28 | Switching | 0.04~1.5 | 4~4.5 | 0.5+0.5 | 3 | 93% | 1~5*LED | 
                                                                                                                                                                                                                                                                                         | 
                                                       Underloading | QFN-20(3x3) | 
                                
                                     | 
                        
| SY8836 | 35 | Linear | 0.1~0.5 | 4.2~4.45 | 0.2+0.2 | 2~20 | 93% | 1~6*LED | 
                                                                                                                                                                                                                                                                                         | 
                                                       Underloading | QFN-16(3x3) | 
                                
                                     | 
                        
| SY8839 | 35 | Linear | 0.05~0.5 | 4~4.5 | 0.2+0.2 | 2~5 | 93% | 1~6*LED | 
                                                                                                                                                                                                                                                                                         | 
                                                       Underloading | QFN-16(3x3) | 
                                
                                     |