DALI Interface Circuit with Bootstrap Function

A DALI interface circuit with bootstrap function, the DALI interface circuit is powered by a power supply circuit, and includes a rectification module, a communication transmitting circuit electrically connected to the rectification module, and a signal input terminal electrically connected to the communication transmitting circuit, characterized in that:

• the communication transmitting circuit comprises a MOS transistor Q2 and a bootstrap circuit electrically connected to the MOS transistor Q2, the bootstrap circuit includes a diode D4, a resistor R7, the resistor R10, the capacitor C11, the resistor R9, the anode of the diode D4 is electrically connected to the output end of the power supply circuit, the cathode of the diode D4 is connected to one end of the resistor R7, and the capacitor C11 is connected in series with the resistor R9 and then connected in parallel with the resistor R10,one end of the resistor R10 is connected to the other end of the resistor R7, the other end of the resistor R10 is grounded, the gate of the MOS transistor Q2 is electrically connected between the resistor R7 and the resistor R10, and the output end of the rectification module is connected to the drain of the MOS transistor Q2, the source of the MOS transistor Q2 is grounded, and the signal input terminal is electrically connected between the capacitor C11 and the resistor R9.