A power converting device comprising: a rectifier circuit configured to generate DC power from AC power; an inverter circuit configured to generate load drive AC power from the DC power; a high voltage line (α) and a low voltage line (β) that connect the rectifier circuit and the inverter circuit; a shunt resistor that is connected to the rectifier circuit side relative to a ground point along the low voltage line (β); a total current detection voltage output circuit configured to output a total current detection voltage corresponding to a total current (Ia) that flows toward the rectifier circuit along the low voltage line (β); and a control IC configured to detect the total current (Ia) based on the total current detection voltage, wherein the total current detection voltage output circuit includes: a first connection point connected to a voltage source configured to apply a positive fixed voltage; a second connection point connected between the shunt resistor and the rectifier circuit along the low voltage line (β); and at least two resistive elements (R1, R2) that are connected in series between the first connection point and the second connection point, wherein the total current detection voltage obtained by dividing the positive fixed voltage according to the two resistive elements (R1, R2) is output to the control IC, the power converting device being characterized in that the total current detection voltage output circuit is configured to generate the total current detection voltage so that the total current detection voltage is a positive voltage which satisfies an input rating of the control IC, so that it is not necessary to invert a negative potential generated by the shunt resistor with respect to the ground point; and wherein an inverter current, that flows into the inverter circuit, is detected with an additional shunt resistor connected to the inverter circuit side relative to the ground point along the low voltage line (β). a rectifier circuit configured to generate DC power from AC power; an inverter circuit configured to generate load drive AC power from the DC power; a high voltage line (α) and a low voltage line (β) that connect the rectifier circuit and the inverter circuit; a shunt resistor that is connected to the rectifier circuit side relative to a ground point along the low voltage line (β); a total current detection voltage output circuit configured to output a total current detection voltage corresponding to a total current (Ia) that flows toward the rectifier circuit along the low voltage line (β); and a control IC configured to detect the total current (Ia) based on the total current detection voltage, wherein the total current detection voltage output circuit includes: a first connection point connected to a voltage source configured to apply a positive fixed voltage; a second connection point connected between the shunt resistor and the rectifier circuit along the low voltage line (β); and at least two resistive elements (R1, R2) that are connected in series between the first connection point and the second connection point, a first connection point connected to a voltage source configured to apply a positive fixed voltage; a second connection point connected between the shunt resistor and the rectifier circuit along the low voltage line (β); and at least two resistive elements (R1, R2) that are connected in series between the first connection point and the second connection point, wherein the total current detection voltage obtained by dividing the positive fixed voltage according to the two resistive elements (R1, R2) is output to the control IC, the power converting device being characterized in that the total current detection voltage output circuit is configured to generate the total current detection voltage so that the total current detection voltage is a positive voltage which satisfies an input rating of the control IC,