Product introduction：
Product Introduction
**WST2305-VB** is a single P-channel MOSFET in SOT23-3 package, suitable for low voltage, high efficiency power management, battery drive and switching circuits. This MOSFET has a maximum drain-source voltage (V_DS) of -30V, a gate-source voltage (V_GS) that can withstand ±20V, a threshold voltage (V_th) of -1.7V, an on-resistance (R_DS(ON)) of 54mΩ at V_GS = 4.5V, 46mΩ at V_GS = 10V, and a maximum leakage current (I_D) of -5.6A. **WST2305-VB** adopts Trench technology, has excellent switching performance, low on-resistance and high voltage resistance, and is an ideal choice for low voltage, high current applications. It is widely used in low power consumption, high efficiency power supply, load switch and battery management.
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Product parameter：
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds2.5 |
Rds4.5 |
Rds10 |
Technology |
| SOT23-3 |
Single-P |
-30V |
20（±V） |
-1.7V |
-5.6A |
|
|
46mΩ |
|
Detailed parameter description
- **Package type**: SOT23-3
- **Configuration**: Single-P-Channel
- **Maximum drain-source voltage (V_DS)**: -30V
- **Maximum gate-source voltage (V_GS)**: ±20V
- **Threshold voltage (V_th)**: -1.7V
- **On-resistance (R_DS(ON))**:
- 54mΩ @ V_GS = 4.5V
- 46mΩ @ V_GS = 10V
- **Maximum leakage current (I_D)**: -5.6A
- **Technology**: Trench technology
- **Operating temperature range**: -55°C to +150°C (specific values are subject to the data sheet)
- **Features**:
- Low on-resistance, reducing power loss
- High current carrying capacity, suitable for high-efficiency power supply design
- Fast switching response, suitable for high-frequency switching applications
- High temperature stability, suitable for use in harsh environments
Domain and module applications：
Applications and module examples
1. **Low-power power management**
- **WST2305-VB** is suitable for low-power power management systems, especially in power designs that require high efficiency. Its low on-resistance helps reduce power loss and improve system efficiency. Common applications include power supply systems for portable devices, low-power battery drive systems, smart home devices, etc.
2. **Battery Management System (BMS)**
- In the battery management system, **WST2305-VB** is used for battery charge and discharge management, overload protection and battery balancing functions. Due to its low on-resistance and high-efficiency switching characteristics, it can effectively manage the current flow of the battery and improve the battery charging and discharging efficiency. It is suitable for power tools, electric bicycles and electric vehicles.
3. **Load Switching and Power Switching**
- This MOSFET has a wide range of applications in the field of load switching and power switching. Due to its high current handling capability, it can provide stable switching performance in the control of high current loads. For example, intelligent power control systems, industrial control systems, and overcurrent protection circuits.
4. **LED Driver**
- **WST2305-VB**'s low on-resistance and efficient switching performance make it suitable for LED driver power. It can accurately control the current to optimize the brightness and life of the LED. It is suitable for various LED lighting products, especially high-power LED lighting, backlights, and indoor and outdoor lighting systems.
5. **Smart Battery Charger**
- In the smart battery charger, **WST2305-VB** provides efficient current control to help improve charging speed and efficiency. It can be used for battery charging management of mobile devices, power tools, smart home appliances and other devices to ensure a safe and efficient charging process.
6. **Electric Vehicle Battery Management System**
- **WST2305-VB** is suitable for battery management systems in electric vehicles, especially in the management of high-power battery packs. Its low on-resistance and high switching efficiency enable it to optimize the battery charging and discharging process, extend battery life, and improve the overall performance of the vehicle.
7. **Low-voltage power modules**
- Due to its applicable maximum drain-source voltage of -30V, **WST2305-VB** is suitable for low-voltage power modules, especially in system designs that require high efficiency and low loss. Application scenarios include low-voltage communication equipment, power monitoring equipment, and portable power supplies.
8. **Automotive power systems**
- In automotive power systems, **WST2305-VB** is used in various power conversion modules, especially low-voltage power management modules. It can provide efficient power switching and is suitable for modules such as vehicle-mounted battery power, electric seat adjustment systems, and vehicle-mounted entertainment systems.
Through the above application examples, **WST2305-VB** demonstrates its applicability in multiple fields, especially its high-efficiency performance in low-voltage power management, battery management, LED driving, load switching, etc. It is a cost-effective and stable MOSFET.
* Please note: the above is only an example application scenario, the specific application depends on the requirements and conditions of the system design. When using this device, consult its data sheet for detailed technical specifications and features
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