| abstract |
A semiconductor device having a current sensing function capable of detecting a load current with high accuracy is provided. A semiconductor device includes a main region, a sense region, and an isolation region that electrically isolates these regions, and a first semiconductor layer located on a main surface of a semiconductor substrate. 5, a plurality of main cells 111 arranged in the main region 20, and a plurality of sense cells 112 arranged in the sense region 21. The source region of the main cell is electrically connected to the source electrode 14, and the source region 8 of the sense cell is electrically connected to the sense electrode 15. [Selection] Figure 2A |