Sine wave inverter circuit based on MSP430

The utility model belongs to the technical field of power electronics, and particularly relates to a sine wave inverter circuit based on MSP430. The inverter comprises a full-bridge inversion power circuit, a power frequency transformer, an output filter circuit, a control circuit, a drive circuit, a feedback circuit, a protection circuit, an auxiliary power supply circuit and a display circuit. According to the utility model, two chips IR2110 are used as driving circuits; a full-bridge inversion power circuit is controlled, an output interface of the full-bridge inversion power circuit inverts and outputs low-voltage alternating current, alternating current voltage 220V is output through boosting of an industrial frequency transformer and filtering of a capacitor, voltage peak value feedback circuit processing is conducted on the output alternating current voltage, and the purposes of high voltage stabilization precision and high voltage adjustment speed are achieved; according to theutility model, the MSP43