A system for two-supply load sharing, comprising: a first current supply path coupled to a first power source (110; 201) providing a first input voltage (V IN1), the first current supply path including a first adjustable volt-age drop element (101; 202) for producing a first intermediate voltage (V OUT1), and a first current sensing element (102; 203) for sensing a first current (I 102) flowing through the first current supply path, the first intermediate voltage (V OUT1) being produced at a first node between the first adjustable voltage drop element (101; 202) and the first current sensing element (102; 203); a second current supply path coupled to a second power source (104; 209) providing a second input voltage (V IN2); the second current supply path including a second adjustable voltage drop element (105; 210) for producing a second intermediate voltage (V OUT2), and a second current sensing element (106; 211) for sensing a second current (I 106) flowing through the second current supply path, the second intermediate voltage (V OUT2) being produced at a second node between the second adjustable voltage drop element (105; 210) and the second current sensing element (106; 211); a system load coupled to outputs of both the first and second current supply paths to receive first and second supply currents (I 110, I 104); and a current balancing control element including an error amplifier (103; 206) for comparing the first and second intermediate voltages (V OUT1, V OUT2) with each other to produce first and second control signals respectively supplied to the first and second adjustable voltage drop elements (101, 105; 202, 210) to control the first and second adjustable voltage drop elements (101, 105; 202, 210) based on a difference between the first and second intermediate voltages (V OUT1, V OUT2) so as to balance the first and second supply currents (I 110, I 104) wherein the first adjustable voltage drop element (101; 202) includes: a first device configured to provide a first adjustable voltage drop, a first command voltage source controlled by the error amplifier (103; 206) to provide a voltage that varies as a function of a difference between the first input voltage (V IN1) and the second input voltage (V IN2), and a first voltage drop control circuit responsive to the first intermediate voltage (V OUT1) and the voltage provided by the first command voltage source for controlling the first device so as to adjust the first adjustable voltage drop. a first current supply path coupled to a first power source (110; 201) providing a first input voltage (V IN1), the first current supply path including a first adjustable volt-age drop element (101; 202) for producing a first intermediate voltage (V OUT1), and a first current sensing element (102; 203) for sensing a first current (I 102) flowing through the first current supply path, the first intermediate voltage (V OUT1) being produced at a first node between the first adjustable voltage drop element (101; 202) and the first current sensing element (102; 203); a second current supply path coupled to a second power source (104; 209) providing a second input voltage (V IN2); the second current supply path including a second adjustable voltage drop element (105; 210) for producing a second intermediate voltage (V OUT2), and a second current sensing element (106; 211) for sensing a second current (I 106) flowing through the second current supply path, the second intermediate voltage (V OUT2) being produced at a second node between the second adjustable voltage drop element (105; 210) and the second current sensing element (106; 211); a system load coupled to outputs of both the first and second current supply paths to receive first and second supply currents (I 110, I 104); and a current balancing control element including an error amplifier (103; 206) for comparing the first and second intermediate voltages (V OUT1, V OUT2) with each other to produce first and second control signals respectively supplied to the first and second adjustable voltage drop elements (101, 105; 202, 210) to control the first and second adjustable voltage drop elements (101, 105; 202, 210) based on a difference between the first and second intermediate voltages (V OUT1, V OUT2) so as to balance the first and second supply currents (I 110, I 104) a first device configured to provide a first adjustable voltage drop, a first command voltage source controlled by the error amplifier (103; 206) to provide a voltage that varies as a function of a difference between the first input voltage (V IN1) and the second input voltage (V IN2), and a first voltage drop control circuit responsive to the first intermediate voltage (V OUT1) and the voltage provided by the first command voltage source for controlling the first device so as to adjust the first adjustable voltage drop.