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STB8444-VB Product details
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Product Introduction
STB8444-VB is an ultra-high performance N-channel MOSFET in TO263 package, designed for high current, high efficiency applications. With a maximum drain-source voltage (VDS) of 40V and a maximum drain current (ID) of 150A, this MOSFET is suitable for applications that require high current handling and low power loss. It has an ultra-low on-resistance of 2mΩ at VGS=10V, which greatly reduces switching losses and heat losses. The STB8444-VB uses Trench technology to optimize conductivity and switching efficiency, making it suitable for high-efficiency power management applications such as various power control, inverters, battery management systems, and motor drives.
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STB8444-VB is an ultra-high performance N-channel MOSFET in TO263 package, designed for high current, high efficiency applications. With a maximum drain-source voltage (VDS) of 40V and a maximum drain current (ID) of 150A, this MOSFET is suitable for applications that require high current handling and low power loss. It has an ultra-low on-resistance of 2mΩ at VGS=10V, which greatly reduces switching losses and heat losses. The STB8444-VB uses Trench technology to optimize conductivity and switching efficiency, making it suitable for high-efficiency power management applications such as various power control, inverters, battery management systems, and motor drives.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 40V | 3V | 150A | 2mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 40V | 3V | 150A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 40V | 3V | 150A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N |
Detailed parameter description
| **Parameter** | **Specification** | **Description** |
|-----------------|--------------------------------------------|--------------------------------------------------------|
| **Package** | TO263 | The TO263 package is suitable for medium and high power switching applications and provides excellent heat dissipation performance. |
| **Channel Configuration** | Single N-channel | The single N-channel design provides efficient switching control and optimizes conduction losses. |
| **VDS** | 40V | The maximum drain-source voltage is 40V, suitable for applications in the medium voltage range. |
| **VGS** | ±20V | The maximum gate-source voltage is ±20V, suitable for common power supply voltage ranges. |
| **Vth** | 3V | The startup voltage is 3V, capable of starting at a lower voltage. |
| **RDS(ON)** | 2.5mΩ@VGS=4.5V, 2mΩ@VGS=10V | The on-resistance is 2.5mΩ at VGS=4.5V and 2mΩ at VGS=10V, providing extremely low conduction losses. |
| **ID** | 150A | The maximum drain current is 150A, suitable for high current load applications. |
| **Technology** | Trench | Trench technology provides lower on-resistance and good switching characteristics, optimizing power losses. |
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| **Parameter** | **Specification** | **Description** |
|-----------------|--------------------------------------------|--------------------------------------------------------|
| **Package** | TO263 | The TO263 package is suitable for medium and high power switching applications and provides excellent heat dissipation performance. |
| **Channel Configuration** | Single N-channel | The single N-channel design provides efficient switching control and optimizes conduction losses. |
| **VDS** | 40V | The maximum drain-source voltage is 40V, suitable for applications in the medium voltage range. |
| **VGS** | ±20V | The maximum gate-source voltage is ±20V, suitable for common power supply voltage ranges. |
| **Vth** | 3V | The startup voltage is 3V, capable of starting at a lower voltage. |
| **RDS(ON)** | 2.5mΩ@VGS=4.5V, 2mΩ@VGS=10V | The on-resistance is 2.5mΩ at VGS=4.5V and 2mΩ at VGS=10V, providing extremely low conduction losses. |
| **ID** | 150A | The maximum drain current is 150A, suitable for high current load applications. |
| **Technology** | Trench | Trench technology provides lower on-resistance and good switching characteristics, optimizing power losses. |
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Domain and module applications：
Application fields and module examples
1. **High-efficiency switching power supply (SMPS)**
STB8444-VB performs well in high-efficiency switching power supplies (SMPS), especially for DC-DC converters, AC-DC converters and inverters. Its ultra-low on-resistance (RDS(ON)) and high current handling capability enable it to effectively reduce energy loss and improve power conversion efficiency. It is suitable for efficient power management in communication equipment, power conversion, LED drive power supplies and industrial automation.
2. **Motor drive system**
In the motor control system, STB8444-VB, as a power switching element, can maintain low power consumption and high efficiency under high load and high-efficiency working conditions. Due to its high current capability and low on-resistance, it is widely used in industrial motor drive, robot drive, home appliances and other fields, providing higher power transmission efficiency.
3. **Electric Vehicle (EV) Battery Management System (BMS)**
The STB8444-VB has important applications in the battery management system (BMS) of electric vehicles (EV). Due to its high current handling capability of 150A and low on-resistance, this MOSFET can effectively control the battery charging and discharging process, improve the efficiency of the battery management system and reduce heat generation. It is often used in battery pack management, charging stations, energy storage systems, etc. of electric vehicles to ensure efficient operation of the system.
4. **Inverter System**
The STB8444-VB is very suitable for inverters and power conversion systems, especially in situations where high current and low loss are required. Due to its 2mΩ on-resistance, this MOSFET can provide high-efficiency power conversion and is widely used in solar inverters, wind power generation systems, UPS systems and other power conversion equipment to improve the performance and reliability of the overall system.
5. **Battery Energy Storage System**
In a battery energy storage system, the STB8444-VB can efficiently control the charge and discharge of the battery. Its high current capability and low on-resistance help reduce power losses in the energy storage system, thereby improving the energy efficiency and stability of the overall system. It has broad application prospects in areas such as home energy storage, power dispatching, and grid energy storage.
6. **Automotive Power Management System**
In an automotive power management system, the STB8444-VB can effectively support battery management, power distribution, and power drive systems in electric vehicles, hybrid vehicles, and traditional vehicles. The high current capability and low power consumption characteristics of this MOSFET make it a key component for power control and management in electric vehicles and high-efficiency vehicles.
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1. **High-efficiency switching power supply (SMPS)**
STB8444-VB performs well in high-efficiency switching power supplies (SMPS), especially for DC-DC converters, AC-DC converters and inverters. Its ultra-low on-resistance (RDS(ON)) and high current handling capability enable it to effectively reduce energy loss and improve power conversion efficiency. It is suitable for efficient power management in communication equipment, power conversion, LED drive power supplies and industrial automation.
2. **Motor drive system**
In the motor control system, STB8444-VB, as a power switching element, can maintain low power consumption and high efficiency under high load and high-efficiency working conditions. Due to its high current capability and low on-resistance, it is widely used in industrial motor drive, robot drive, home appliances and other fields, providing higher power transmission efficiency.
3. **Electric Vehicle (EV) Battery Management System (BMS)**
The STB8444-VB has important applications in the battery management system (BMS) of electric vehicles (EV). Due to its high current handling capability of 150A and low on-resistance, this MOSFET can effectively control the battery charging and discharging process, improve the efficiency of the battery management system and reduce heat generation. It is often used in battery pack management, charging stations, energy storage systems, etc. of electric vehicles to ensure efficient operation of the system.
4. **Inverter System**
The STB8444-VB is very suitable for inverters and power conversion systems, especially in situations where high current and low loss are required. Due to its 2mΩ on-resistance, this MOSFET can provide high-efficiency power conversion and is widely used in solar inverters, wind power generation systems, UPS systems and other power conversion equipment to improve the performance and reliability of the overall system.
5. **Battery Energy Storage System**
In a battery energy storage system, the STB8444-VB can efficiently control the charge and discharge of the battery. Its high current capability and low on-resistance help reduce power losses in the energy storage system, thereby improving the energy efficiency and stability of the overall system. It has broad application prospects in areas such as home energy storage, power dispatching, and grid energy storage.
6. **Automotive Power Management System**
In an automotive power management system, the STB8444-VB can effectively support battery management, power distribution, and power drive systems in electric vehicles, hybrid vehicles, and traditional vehicles. The high current capability and low power consumption characteristics of this MOSFET make it a key component for power control and management in electric vehicles and high-efficiency vehicles.
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* 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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