Electronic circuit apparatus

摘要

For an electronic circuit apparatus including a shunt resistor, provided is a measure for improving the heat dissipation performance of the shunt resistor. The shunt resistor includes electrodes at both ends. One of the two electrodes is connected to a surface-mounting pattern on which the shunt resistor is surface-mounted. A current-generating-side pattern and a current-receiving-side pattern are arranged separately from the surface-mounting pattern. The current-generating-side pattern and the surface-mounting pattern are connected together via a connection member which creates a space between itself and a substrate.

主权项

1. An electronic circuit apparatus in which a shunt resistor, including a resistance element between electrodes, is surface-mounted to a substrate and in which electric current flowing from a current-generating-side pattern into a current-receiving-side pattern is detected by the shunt resistor that is arranged on a path of the electric current, wherein
at least one of the electrodes of the shunt resistor is connected to a surface-mounting pattern on which the shunt resistor is surface-mounted, and the surface-mounting pattern is connected to the current-generating-side pattern or the current-receiving-side pattern via a connection member which creates a space between the connection member itself and the substrate.