Product parameter：
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds2.5 |
Rds4.5 |
Rds10 |
Technology |
| SOP8 |
Single-P |
-30V |
|
-2.5V |
-13.5A |
|
|
11mΩ |
Trench |
| VB Package |
Configuration |
VCE |
VGE |
VGEth(V) |
VCEsat15V |
ICE |
Technology |
| SOP8 |
Single-P |
|
|
|
|
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds18 |
Technology |
| SOP8 |
Single-P |
-30V |
|
-2.5V |
-13.5A |
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds6 |
Technology |
| SOP8 |
Single-P |
-30V |
|
-2.5V |
-13.5A |
|
Trench |
| VB Package |
Polarity |
Vz / VR |
Pd |
VF |
IF |
IR |
Cd |
Type |
| SOP8 |
Single-P |
|
|
|
|
|
|
|
Detailed parameter description:
- **Package form**: SOP8
- **Configuration**: Unipolar P-type channel
- **Maximum drain-source voltage (VDS)**: -30V
- **Maximum gate-source voltage (VGS)**: ±20V
- **Gate-source turn-on voltage (Vth)**: -2.5V
- **On-resistance (RDS(ON))**:
- 15mΩ @ VGS=4.5V
- 11mΩ @ VGS=10V
- **Maximum leakage current (ID)**: -13.5A
- **Technology type**: Trench technology (low conduction loss, optimized switching performance)
- **Applicable temperature range**: Typically -55°C to +150°C (please refer to the datasheet for details)
Domain and module applications：
Application fields and module examples:
1. **Power management and DC-DC converter**:
Due to its low RDS(ON), SI4421DY-T1-VB is suitable for various power management applications, especially in DC-DC converters. In buck converters or boost converters, P-type MOSFETs are often used for high-efficiency switching, which can provide low loss and high efficiency, especially in power modules that require frequent switching.
2. **Battery drive and battery protection circuits**:
This MOSFET is very suitable for battery-driven devices such as portable electronic devices, power tools, etc. In battery protection circuits, low on-resistance and high current carrying capacity can effectively extend battery life while ensuring a stable flow of current and reducing energy loss.
3. **Motor drive module**:
In motor drive applications, especially DC motor control systems, SI4421DY-T1-VB can be used as a switching element to adjust the operating state of the motor. Its efficient conduction performance and fast switching characteristics make it very suitable for motor drive modules, reducing heat generation and improving system efficiency.
4. **Automotive Electronics Applications**:
SI4421DY-T1-VB can also be used in the automotive electronics field, especially in the battery management system, on-board power supply and electronic control unit of electric vehicles. P-type MOSFET is widely used in battery charge and discharge management, power control and motor drive. Its high current carrying capacity and low on-resistance make it very suitable for high-efficiency automotive electronic modules.
5. **Low-voltage power supply and load switch**:
This MOSFET can be used as a control switch in low-voltage power supply and load switching circuits, especially in circuits that require low switching losses and high efficiency. It can provide reliable switching functions between load and power supply and is widely used in power management in computers, network equipment and communication systems.
In short, the low on-resistance, high current carrying capacity and excellent switching characteristics of SI4421DY-T1-VB make it perform well in various power management and switching power supplies.
* 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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