To provide a current detection circuit, a semiconductor device and an adjusting method of the current detection circuit capable of acquiring accurate output signal corresponding to a detection current, concerning the current detection circuit, the semiconductor device and the adjusting method of the current detection circuit for detecting a voltage generated in a detection resistance, detecting a current flowing in the resistance corresponding to the detection voltage, and outputting an output signal corresponding to the detection current.

This circuit is characterized by having a detection part (122) for detecting the voltage generated in the detection resistance (121) and outputting the output signal corresponding to a detection voltage level, a storage part (151) for storing adjusting information set from the outside, and an adjustment part (152, R4) for adjusting an output signal level outputted from the detection part (122) based on the adjusting information stored in the storage part (151).