A power factor correction circuit comprising: a bridge rectification circuit configured to (i) receive an alternating current voltage, and (ii) generate a first rectified AC voltage and a second rectified AC voltage; wherein the bridge rectification circuit comprises: a first bridge rectifier configured to (i) receive the AC voltage, and (ii) generate the first rectified AC voltage; and a second bridge rectifier configured to (i) receive the AC voltage and (ii) generate the second rectified AC voltage; a power converter (401, 701, 951) configured to convert the first rectified AC voltage to a first direct current voltage, wherein the power converter comprises a switch and supplies the first DC voltage to a DC bus to power a compressor; a current sensor (412a, 412b) configured to detect an amount of current (i) passing through the power converter, or (ii) returning from an output of the power factor correction circuit; and a control module configured to, while operating in a partial power factor correction mode: based on the first rectified AC voltage, a phase angle of the first rectified AC voltage, a second DC voltage, or the detected amount of current, control operation of the switch to transition between operating in (i) a high activity mode at a high switching frequency of the switch and (ii) an inactive mode with the switch being in an OFF or open state or a low activity mode at a reduced switching frequency and/or at a reduced duty cycle of the switch, wherein the second DC voltage is a detected DC voltage of the DC bus, transition the switch between an open state and a closed state while in the high activity mode and the low activity mode; and maintain the power converter in an OFF state while in the inactive mode; wherein the second bridge rectifier is configured to, when the second DC voltage is less than the AC voltage received by the bridge rectification circuit, allow current to bypass the first bridge rectifier to provide the second rectified AC voltage to the DC bus. a bridge rectification circuit configured to (i) receive an alternating current voltage, and (ii) generate a first rectified AC voltage and a second rectified AC voltage; wherein the bridge rectification circuit comprises: a first bridge rectifier configured to (i) receive the AC voltage, and (ii) generate the first rectified AC voltage; and a second bridge rectifier configured to (i) receive the AC voltage and (ii) generate the second rectified AC voltage; a first bridge rectifier configured to (i) receive the AC voltage, and (ii) generate the first rectified AC voltage; and a second bridge rectifier configured to (i) receive the AC voltage and (ii) generate the second rectified AC voltage; a power converter (401, 701, 951) configured to convert the first rectified AC voltage to a first direct current voltage, wherein the power converter comprises a switch and supplies the first DC voltage to a DC bus to power a compressor; a current sensor (412a, 412b) configured to detect an amount of current (i) passing through the power converter, or (ii) returning from an output of the power factor correction circuit; and a control module configured to, while operating in a partial power factor correction mode: based on the first rectified AC voltage, a phase angle of the first rectified AC voltage, a second DC voltage, or the detected amount of current, control operation of the switch to transition between operating in (i) a high activity mode at a high switching frequency of the switch and (ii) an inactive mode with the switch being in an OFF or open state or a low activity mode at a reduced switching frequency and/or at a reduced duty cycle of the switch, wherein the second DC voltage is a detected DC voltage of the DC bus, transition the switch between an open state and a closed state while in the high activity mode and the low activity mode; and maintain the power converter in an OFF state while in the inactive mode; based on the first rectified AC voltage, a phase angle of the first rectified AC voltage, a second DC voltage, or the detected amount of current, control operation of the switch to transition between operating in (i) a high activity mode at a high switching frequency of the switch and (ii) an inactive mode with the switch being in an OFF or open state or a low activity mode at a reduced switching frequency and/or at a reduced duty cycle of the switch, wherein the second DC voltage is a detected DC voltage of the DC bus, transition the switch between an open state and a closed state while in the high activity mode and the low activity mode; and maintain the power converter in an OFF state while in the inactive mode; wherein the second bridge rectifier is configured to, when the second DC voltage is less than the AC voltage received by the bridge rectification circuit, allow current to bypass the first bridge rectifier to provide the second rectified AC voltage to the DC bus.