Product introduction：
SM4309PSKP-VB Product Introduction
**Model**: SM4309PSKP-VB
**Package**: DFN8 (5x6mm)
**Configuration**: Single P-channel MOSFET
**Maximum drain-source voltage (VDS)**: -30V
**Maximum gate-source voltage (VGS)**: ±20V
**Threshold voltage (Vth)**: -3V
**On-resistance (RDS(ON))**: 5mΩ@VGS=4.5V；2.9mΩ@VGS=10V
**Maximum drain current (ID)**: -100A
**Technology**: Trench technology
SM4309PSKP-VB is a DFN8 The SM4309PSKP-VB is a high-efficiency single P-channel MOSFET in a (5x6mm) package, designed for high-current, high-power applications, and is suitable for power electronics that require efficient switching and low conduction losses. This MOSFET has an extremely low on-resistance (RDS(ON)) and can carry a drain current of up to -100A, making it an excellent performer in areas such as power management, battery charging and discharging, and load control.
Its P-channel structure makes it suitable for a variety of negative voltage switching applications such as DC-DC converters, battery management, and power conversion systems. Combined with the DFN8 package, the SM4309PSKP-VB provides excellent performance while also having excellent thermal management characteristics and compact size.
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Product parameter：
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds2.5 |
Rds4.5 |
Rds10 |
Technology |
| DFN8(5X6) |
Single-P |
-30V |
|
-3V |
-100A |
|
|
2.9mΩ |
Trench |
| VB Package |
Configuration |
VCE |
VGE |
VGEth(V) |
VCEsat15V |
ICE |
Technology |
| DFN8(5X6) |
Single-P |
|
|
|
|
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds18 |
Technology |
| DFN8(5X6) |
Single-P |
-30V |
|
-3V |
-100A |
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds6 |
Technology |
| DFN8(5X6) |
Single-P |
-30V |
|
-3V |
-100A |
|
Trench |
| VB Package |
Polarity |
Vz / VR |
Pd |
VF |
IF |
IR |
Cd |
Type |
| DFN8(5X6) |
Single-P |
|
|
|
|
|
|
|
SM4309PSKP-VB Detailed parameter description
- **Package type**: DFN8 (5x6mm) package, with good thermal conductivity and space utilization efficiency. This package is suitable for high power density power electronics applications to ensure efficient heat dissipation.
- **Configuration**: Single P-channel MOSFET, suitable for switching control of negative voltage applications, with low threshold voltage (Vth) and on-resistance (RDS(ON)), can provide excellent performance in power conversion and load switching with high efficiency requirements.
- **Maximum drain-source voltage (VDS)**: -30V, suitable for most low-voltage power management and battery charging applications. The negative voltage operation mode makes it suitable for reverse power switching and current management.
- **Maximum gate-source voltage (VGS)**: ±20V, providing wide gate drive voltage compatibility to adapt to various drive circuits.
- **Threshold voltage (Vth)**: -3V, indicating that the MOSFET starts to conduct when the gate-source voltage is -3V, which is suitable for applications requiring low voltage control.
- **On-resistance (RDS(ON))**:
- 5mΩ@VGS=4.5V, providing lower conduction loss, suitable for systems driven by low gate voltage.
- 2.9mΩ@VGS=10V, further reducing the on-resistance and improving system efficiency, especially suitable for power conversion systems controlled by high gate voltage.
- **Maximum drain current (ID)**: -100A, with ultra-high current carrying capacity, suitable for high-power load switching and current regulation applications.
- **Technology**: Trench technology, optimized MOSFET structure provides lower on-resistance and higher switching efficiency, capable of handling high-power and high-frequency switching applications.
Domain and module applications：
Application fields and modules of SM4309PSKP-VB
1. **Battery Management System (BMS)**
As a high current P-channel MOSFET, SM4309PSKP-VB is very suitable for battery management systems, especially battery protection and charge and discharge control in electric vehicles (EV), energy storage systems (ESS) and consumer electronics. Its low on-resistance and high current carrying capacity can effectively improve the charging efficiency and service life of the battery while ensuring safety and reliability.
2. **High-efficiency DC-DC converter**
In DC-DC converters, SM4309PSKP-VB provides efficient current regulation and switching functions and is widely used in power electronics such as power modules, adapters and battery-powered devices. Its low RDS(ON) characteristics effectively reduce switching losses, improve conversion efficiency and reduce heat generation in the system.
3. **Electric Vehicles and Power Tools**
SM4309PSKP-VB is suitable for power regulation and battery management in electric vehicles, electric scooters and power tools. The high current carrying capacity and high-efficiency switching performance of this MOSFET enable it to withstand high current loads in power tools and electric vehicles, ensuring the stability and safety of power transmission.
4. **Solar Inverters and Energy Management Systems**
In solar inverters and energy management systems, SM4309PSKP-VB provides efficient power conversion and load switching solutions. As a P-channel MOSFET, it can be used for input and output current regulation, ensuring efficient and reliable power transmission from solar panels to energy storage devices.
5. **Power Modules and UPS Systems**
In uninterruptible power supply (UPS) systems and industrial power modules, SM4309PSKP-VB can be used for power management and load switching. Its low on-resistance and high current capability ensure stable operation of the UPS system during peak loads, avoiding overheating and power failures caused by high current.
6. **Wireless Charging and Fast Charging Equipment**
In wireless charging systems and fast charging equipment, the SM4309PSKP-VB provides efficient power switching functions, which can achieve rapid regulation of current and voltage, and optimize the efficiency and speed of the charging process. This makes it very suitable for wireless charging pads, electric vehicle fast charging and smart home charging devices.
7. **Power Switch and Load Regulation System**
Due to its high current capability and low conduction loss, the SM4309PSKP-VB is particularly suitable for various power management and load regulation systems. These systems are widely used in home appliances, industrial control equipment and communication equipment to distribute and control power in an efficient manner to ensure stable operation of the system.
* 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
Technical support：
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