### Detailed parameter description of the product:

**Product model: ** SMG2301-VB
**Silk screen: ** VB2290
**Brand: ** VBsemi
**Parameters: **
- Package type: SOT23
- Channel type: P—Channel channel
- Rated voltage: -20V
- Rated current: -4A
- On-resistance: RDS(ON)=57mΩ @ VGS=4.5V, VGS=12V
- Threshold voltage: Vth=-0.81V

**Package: ** SOT23

### Application introduction:

This product is a P-Channel channel field effect transistor in SOT23 package with a series of excellent electrical characteristics. Here are some typical application scenarios and module examples:

1. **Power management module:** Applicable to power management modules, can be used in switching power supplies, battery charge and discharge management and other scenarios. Since the rated voltage reaches -20V, it has a wide range of applications.

2. **Drive module:** It has a low on-state resistance and is suitable for drive modules, such as for driving motors, LEDs, etc., and can maintain low loss under high current loads.

3. **Current control module:** It has a low threshold voltage and is suitable for current control modules, such as for LED drive current control, which can achieve precise current regulation.

4. **Signal amplification module:** The SOT23 package is small and suitable for signal amplification modules, which can be used to amplify sensor output signals, etc.

### Example application areas:

1. **Industrial control:** Used to drive motors or actuators in industrial equipment.

2. **Power management:** Applicable to switching power supplies and battery management systems.

3. **Lighting control:** Used in LED drive circuits to achieve lighting control.

4. **Automotive electronics:** Used in power management and drive control in automotive electronic systems.

Product features make it widely used in the above fields, providing high-performance and high-efficiency solutions. When making specific choices, please adjust according to system requirements and circuit design.