**Application fields and module examples:** 1. **Electric vehicle power management system:** As the negative power switch of electric vehicles, it ensures the efficient operation of the battery system. 2. **Industrial automation equipment:** Realizes efficient current control in the negative power switch circuit, suitable for various automation equipment. 3. **Power inverter module:** Used in the current control part of the power inverter circuit to ensure the stable and reliable operation of the inverter. **Note:** The above examples are only illustrative examples, and the actual application should be adjusted according to the specific circuit design and requirements.