Emergency lighting centralized power supply integrated control module

The invention discloses an emergency lighting centralized power supply integrated control module which comprises a power supply circuit, a control circuit, a chip circuit and a charging circuit. The power supply circuit comprises a battery pack; after the mains supply is input as main power and passes through the step-down rectifier module, the mains supply can supply power to the control circuit and the chip circuit through the power supply circuit and can also charge the battery pack through the charging circuit; the battery pack can be started as a standby power supply when main power input is cut off; the charging circuit comprises two N-channel MOS (Metal Oxide Semiconductor) tubes, and voltage output is realized in a voltage reduction and boosting mode; and two N-channel MOS tubes are driven after boosting by building a bootstrap boost circuit. The invention has the following advantages and effects: by adopting a centralized design, the signal transmission is more stable, the number of external wires is