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SSF8421-VB Product details
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SSF8421-VB MOSFET Product Introduction
SSF8421-VB is a **dual N+P-Channel MOSFET**, using **TSSOP8** package, suitable for **±30V** voltage environment, with **6.2A** maximum **N-Channel current** and **5A** maximum **P-Channel current**. This MOSFET provides extremely low **on-resistance (RDS(ON))** at different **gate drive voltages (VGS)**, which can effectively reduce power loss and improve efficiency. Its **2mΩ** **N-Channel RDS(ON)** and **7mΩ** **P-Channel RDS(ON)** perform well at **VGS=10V**, suitable for high-efficiency switching applications. The use of **Trench technology** gives it better performance and lower turn-on voltage (Vth), suitable for various power management and drive systems.
SSF8421-VB is a **dual N+P-Channel MOSFET**, using **TSSOP8** package, suitable for **±30V** voltage environment, with **6.2A** maximum **N-Channel current** and **5A** maximum **P-Channel current**. This MOSFET provides extremely low **on-resistance (RDS(ON))** at different **gate drive voltages (VGS)**, which can effectively reduce power loss and improve efficiency. Its **2mΩ** **N-Channel RDS(ON)** and **7mΩ** **P-Channel RDS(ON)** perform well at **VGS=10V**, suitable for high-efficiency switching applications. The use of **Trench technology** gives it better performance and lower turn-on voltage (Vth), suitable for various power management and drive systems.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TSSOP8 | Dual-N+P | ±30V | 2/-2V | 6.2/5A | 2/7mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TSSOP8 | Dual-N+P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TSSOP8 | Dual-N+P | ±30V | 2/-2V | 6.2/5A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TSSOP8 | Dual-N+P | ±30V | 2/-2V | 6.2/5A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TSSOP8 | Dual-N+P |
SSF8421-VB MOSFET Detailed parameter description
- **Package type**: TSSOP8
- **Configuration**: Dual N+P-Channel MOSFET
- **Drain-source voltage (VDS)**: ±30V
- **Gate-source voltage (VGS)**: ±20V
- **Through voltage (Vth)**:
- N-Channel Vth: 2V
- P-Channel Vth: -2V
- **On-resistance (RDS(ON))**:
- N-Channel:
- RDS(ON) @ VGS = 4.5V: 2mΩ
- RDS(ON) @ VGS = 10V: 2mΩ
- P-Channel:
- RDS(ON) @ VGS = 4.5V: 14mΩ
- RDS(ON) @ VGS = 10V: 7mΩ
- **Maximum drain current (ID)**:
- N-Channel: 6.2A
- P-Channel: 5A
- **Technology**: Trench technology
- **Package type**: TSSOP8
- **Configuration**: Dual N+P-Channel MOSFET
- **Drain-source voltage (VDS)**: ±30V
- **Gate-source voltage (VGS)**: ±20V
- **Through voltage (Vth)**:
- N-Channel Vth: 2V
- P-Channel Vth: -2V
- **On-resistance (RDS(ON))**:
- N-Channel:
- RDS(ON) @ VGS = 4.5V: 2mΩ
- RDS(ON) @ VGS = 10V: 2mΩ
- P-Channel:
- RDS(ON) @ VGS = 4.5V: 14mΩ
- RDS(ON) @ VGS = 10V: 7mΩ
- **Maximum drain current (ID)**:
- N-Channel: 6.2A
- P-Channel: 5A
- **Technology**: Trench technology
Domain and module applications：
SSF8421-VB MOSFET Applications and Module Examples
1. **DC-DC Converter**
SSF8421-VB is very suitable for **DC-DC converter**, especially in battery-powered systems. It can effectively improve conversion efficiency and reduce power loss with the advantages of **low on-resistance** and **high current capability**. Due to its **±30V** voltage capability, it can handle higher voltages from batteries or power adapters, and is suitable for use in **battery management systems (BMS)** and **power modules for portable devices**.
2. **Motor Drive Control**
In **motor drive systems**, SSF8421-VB can be used to control **DC Motors** or **step motors**. Due to its dual-channel configuration, it can handle positive and negative currents at the same time, optimize the efficiency of motor drives, and is widely used in **power tools**, **electric toys**, **home appliances** and **electric vehicles**, providing stable and reliable drive control.
3. **Load switch and power management**
As a **load switch**, SSF8421-VB can be used in **power management modules**. Its high efficiency and low on-resistance characteristics make it an efficient power switch element, and it is widely used in **portable electronic products, computer power supplies, data center UPS systems** and other devices. Through its dual N+P-Channel structure, it can provide more flexible switching control and lower switching losses.
4. **Inverter system (such as solar inverter)**
In **solar inverter**, SSF8421-VB can be used as an efficient switching element to control the flow of power. The **low on-resistance** and **high current handling capability** of this MOSFET make it suitable for high-efficiency **DC-AC conversion**, while reducing system losses and improving conversion efficiency. It is widely used in **solar power generation systems** and **power conversion systems**.
5. **Audio power amplifier**
Due to its low RDS(ON) and high current capability, SSF8421-VB can also be used as a switching element in **audio power amplifier**, especially in high-power audio systems. It can provide lower conduction losses and effectively control the power transmission of audio signals, suitable for **home audio, professional audio equipment** and **stage sound systems**.
6. **Battery charging management**
In the **battery charging management system**, SSF8421-VB provides a **dual-channel configuration**, which can achieve efficient switching control of **positive and negative currents**, ensuring stable and safe operation of the battery during the charging process. It is particularly suitable for the charging systems of **power tools, electric bicycles, drones** and other equipment to ensure the stability and safety of current flow during the charging process.
7. **Automotive electronic systems**
In **automotive power electronic systems**, SSF8421-VB can be used in **electric vehicle drive systems**, **automotive battery management systems** and **on-board power control modules**. Its **high withstand voltage and low RDS(ON)** characteristics enable it to provide efficient current switching control in high-power environments, improving system efficiency and reliability.
8. **Power protection circuit**
SSF8421-VB also has important applications in **power protection circuits**, especially in **short circuit protection, overvoltage protection, overcurrent protection** and other fields. Due to its dual N+P-Channel configuration, it can handle positive and negative currents at the same time, effectively realizing bidirectional current protection and protecting power supply equipment from overload or voltage fluctuations.
1. **DC-DC Converter**
SSF8421-VB is very suitable for **DC-DC converter**, especially in battery-powered systems. It can effectively improve conversion efficiency and reduce power loss with the advantages of **low on-resistance** and **high current capability**. Due to its **±30V** voltage capability, it can handle higher voltages from batteries or power adapters, and is suitable for use in **battery management systems (BMS)** and **power modules for portable devices**.
2. **Motor Drive Control**
In **motor drive systems**, SSF8421-VB can be used to control **DC Motors** or **step motors**. Due to its dual-channel configuration, it can handle positive and negative currents at the same time, optimize the efficiency of motor drives, and is widely used in **power tools**, **electric toys**, **home appliances** and **electric vehicles**, providing stable and reliable drive control.
3. **Load switch and power management**
As a **load switch**, SSF8421-VB can be used in **power management modules**. Its high efficiency and low on-resistance characteristics make it an efficient power switch element, and it is widely used in **portable electronic products, computer power supplies, data center UPS systems** and other devices. Through its dual N+P-Channel structure, it can provide more flexible switching control and lower switching losses.
4. **Inverter system (such as solar inverter)**
In **solar inverter**, SSF8421-VB can be used as an efficient switching element to control the flow of power. The **low on-resistance** and **high current handling capability** of this MOSFET make it suitable for high-efficiency **DC-AC conversion**, while reducing system losses and improving conversion efficiency. It is widely used in **solar power generation systems** and **power conversion systems**.
5. **Audio power amplifier**
Due to its low RDS(ON) and high current capability, SSF8421-VB can also be used as a switching element in **audio power amplifier**, especially in high-power audio systems. It can provide lower conduction losses and effectively control the power transmission of audio signals, suitable for **home audio, professional audio equipment** and **stage sound systems**.
6. **Battery charging management**
In the **battery charging management system**, SSF8421-VB provides a **dual-channel configuration**, which can achieve efficient switching control of **positive and negative currents**, ensuring stable and safe operation of the battery during the charging process. It is particularly suitable for the charging systems of **power tools, electric bicycles, drones** and other equipment to ensure the stability and safety of current flow during the charging process.
7. **Automotive electronic systems**
In **automotive power electronic systems**, SSF8421-VB can be used in **electric vehicle drive systems**, **automotive battery management systems** and **on-board power control modules**. Its **high withstand voltage and low RDS(ON)** characteristics enable it to provide efficient current switching control in high-power environments, improving system efficiency and reliability.
8. **Power protection circuit**
SSF8421-VB also has important applications in **power protection circuits**, especially in **short circuit protection, overvoltage protection, overcurrent protection** and other fields. Due to its dual N+P-Channel configuration, it can handle positive and negative currents at the same time, effectively realizing bidirectional current protection and protecting power supply equipment from overload or voltage fluctuations.
* 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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