Product introduction：
SM8404CSQ-VB MOSFET Product Introduction
The SM8404CSQ-VB is a bipolar N+P channel MOSFET in a DFN8 (3x3)-B package, designed for medium current and voltage control applications. Its maximum drain-source voltage is ±30V and has a low on-resistance (N-channel: 13mΩ @ VGS=10V, P-channel: 40mΩ @ VGS=10V), suitable for high-efficiency power management and switching applications. This MOSFET integrates N-channel and P-channel MOSFET structures, which can effectively control bidirectional current flow and provide efficient switching operation in a variety of power systems. Its threshold voltage is -1.6V for N-channel and -1.7V for P-channel, and the operating current is 8A (N-channel) and -6A (P-channel) respectively. The device uses Trench technology, has low conduction loss and good heat dissipation performance, and is ideal for high-efficiency power management, battery management and drive control systems.
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Product parameter：
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds2.5 |
Rds4.5 |
Rds10 |
Technology |
| DFN8(3X3)-B |
Dual-N+P |
±30V |
|
1.6/-1.7V |
8/-6A |
|
|
13/40mΩ |
Trench |
| VB Package |
Configuration |
VCE |
VGE |
VGEth(V) |
VCEsat15V |
ICE |
Technology |
| DFN8(3X3)-B |
Dual-N+P |
|
|
|
|
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds18 |
Technology |
| DFN8(3X3)-B |
Dual-N+P |
±30V |
|
1.6/-1.7V |
8/-6A |
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds6 |
Technology |
| DFN8(3X3)-B |
Dual-N+P |
±30V |
|
1.6/-1.7V |
8/-6A |
|
Trench |
| VB Package |
Polarity |
Vz / VR |
Pd |
VF |
IF |
IR |
Cd |
Type |
| DFN8(3X3)-B |
Dual-N+P |
|
|
|
|
|
|
|
SM8404CSQ-VB MOSFET parameter description
- **Package**: DFN8 (3x3)-B
- **Configuration**: Dual N+P channel
- **Maximum drain-source voltage (VDS)**: ±30V
- **Maximum gate-source voltage (VGS)**: ±20V
- **Threshold voltage (Vth)**:
- N channel: -1.6V
- P channel: -1.7V
- **On-resistance (RDS(ON))**:
- N channel: 13mΩ @ VGS=10V, 17mΩ @ VGS=4.5V
- P channel: 40mΩ @ VGS=10V, 45mΩ @ VGS=4.5V
- **Maximum drain current (ID)**:
- N channel: 8A
- P Channel: -6A
- **Technology**: Trench
Domain and module applications：
SM8404CSQ-VB MOSFET Applications
1. **Power Management Systems**:
- SM8404CSQ-VB is ideal for use in power management systems, especially battery-driven devices and low-power electronics. Its bipolar configuration makes it highly efficient in power conversion and power distribution, capable of handling both positive and negative currents while maintaining low power losses. This makes it ideal for use in battery management systems (BMS), DC-DC converters, and switching power supplies (SMPS).
2. **Power Tools and Battery-Driven Devices**:
- In power tools, electric toys, and other battery-driven devices, the SM8404CSQ-VB provides efficient power conversion and current control. Its low on-resistance and large current carrying capacity enable it to handle the current demands in motor drive and battery charging applications, and ensure high efficiency and stability of the system.
3. **Load switching and bidirectional current control**:
- SM8404CSQ-VB can be widely used in load switching, power path management and bidirectional current control systems. Its dual N+P channel design enables it to handle positive and negative current flows at the same time, and is suitable for applications that require bidirectional current, such as inverters, battery charge and discharge management, battery protection circuits, etc.
4. **Power switch and automation system**:
- In the field of industrial automation, SM8404CSQ-VB can be used as a core component of power switch modules, especially in power distribution and protection circuits. Its high efficiency and low loss characteristics enable it to maintain high efficiency during high-frequency switching, ensuring stable and low-power operation of the system.
5. **LED drive and lighting control**:
- In the LED drive system, the bipolar MOSFET characteristics of SM8404CSQ-VB enable it to effectively control the brightness and power of LED lights. Its fast switching characteristics and low on-resistance can reduce energy loss in LED driver power supplies, extend LED life, and improve the overall efficiency of the power supply.
6. **Automotive Electronics and Electric Vehicles (EV)**:
- In electric vehicles and their charging infrastructure, the SM8404CSQ-VB is suitable for battery management, charging control, motor drive, and power switch modules. Its efficient bidirectional current control and low power consumption characteristics are very suitable for systems such as on-board chargers and DC-DC converters.
7. **Communication Equipment and Data Transmission Systems**:
- In communication equipment, especially where low power consumption and fast switching characteristics are required, the SM8404CSQ-VB can be used for signal modulation, power amplification, and data path switching. Its excellent current control capability and low on-resistance make it an ideal choice for low-power communication systems.
* 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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