| BC3770 | 1K @ CNY8.20 | WLCSP 25 | | | 2 | Li-Ion, Li-Polymer | 1 | | Pre-Charge, Constant Charge Current, Trickle, Constant Charge Voltage | 4 to 6.2 | I2C | -40 to 85 | USB Supply Voltage | 25 | 20 |
| MC34671 | 1K @ CNY3.66 | DFN-EP 8 | | 4.2 | 0.6 | Li-Polymer, Li-Ion | 1 | End of Charge (EOC), MCU control, Over Voltage (OVP) | Tickle Charge Current, Constant Charge Current | 4.3 to 10 | Parallel | -40 to 85 | AC Supply Voltage, End of Charge Termination, Overvoltage Charge Termination | 8 | 28 |
| MC34673 | 1K @ CNY2.98 | DFN-EP 8 | | 4.2 | 1.2 | Li-Polymer, Li-Ion | 1 | End of Charge (EOC), MCU control, Over Voltage (OVP) | Tickle Charge Current, Constant Charge Current | 4.3 to 6.6 | Parallel | -40 to 85 | AC Supply Voltage, End of Charge Termination, Overvoltage Charge Termination | 8 | 28 |
| MC34674 | 1K @ CNY2.98 | DFN-EP 8 | | 4.2 | 0.45 - 1.05 | Li-Polymer, Li-Ion | 1 | End of Charge (EOC), Timeout, MCU control, Over Voltage (OVP) | Tickle Charge Current, Constant Charge Current | 4.3 to 10 | Parallel | -40 to 85 | AC Supply Voltage, End of Charge Termination, Overvoltage Charge Termination | 8 | 28 |
