Product introduction：
**Product Introduction**
SI4423DY-T1-E3-VB is a single-channel P-type MOSFET in SOP8 package, designed for high-efficiency, low-voltage control applications. The device adopts advanced Trench technology, has low on-resistance and high voltage resistance, and is suitable for a wide range of applications such as power management, switching circuits and load driving. With its maximum drain current of up to -13.5A and drain-source voltage of -30V, SI4423DY-T1-E3-VB provides excellent performance, especially in environments requiring efficient current switching. Its low RDS(ON) (maximum 11mΩ) enables this MOSFET to have lower power loss during operation, making it suitable for applications requiring efficient current switching in power supplies, power conversion and communication equipment.
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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**
- **Model:** SI4423DY-T1-E3-VB
- **Package:** SOP8
- **Configuration:** Single P-type MOSFET
- **Maximum drain-source voltage (VDS):** -30V
- **Maximum gate-source voltage (VGS):** ±20V
- **Threshold voltage (Vth):** -2.5V
- **On-resistance (RDS(ON)):**
- 15mΩ @ VGS=4.5V
- 11mΩ @ VGS=10V
- **Maximum drain current (ID):** -13.5A
- **Technology:** Trench
- **Application areas:** Power management, DC-DC converters, battery management, load switches, power control
- **Features:** High performance, low power consumption, low RDS(ON)
- **Operating temperature range:** -55°C to 150°C
Domain and module applications：
**Application fields and module examples**
1. **Power management**
In high-efficiency power management modules, SI4423DY-T1-E3-VB can be used in DC-DC converters and battery management systems. Its low RDS(ON) characteristics can reduce power consumption and improve system efficiency, especially in situations requiring efficient power conversion, such as power management of portable devices and power tools.
2. **Battery management system (BMS)**
In battery management systems, MOSFETs are used for switch control and battery charge and discharge management. The high load current and low on-resistance of SI4423DY-T1-E3-VB enable it to reduce power loss and extend battery life when switching battery current, especially in new energy vehicles or other devices requiring high-efficiency battery management.
3. **Load switch**
In load switch modules, this MOSFET can be used as an efficient switching device. Due to its low RDS(ON) and high current carrying capacity, it can effectively control high power loads and is particularly suitable for high-efficiency power boards, computer power supplies (PSUs) and home appliances used to switch power or loads.
4. **Communication Equipment Power Supply**
In the power modules of communication equipment (such as wireless communication base stations or routers, etc.), SI4423DY-T1-E3-VB can also provide stable current management. In these applications, due to long-term operation and high efficiency requirements, low on-resistance MOSFETs help reduce heat accumulation and improve overall energy efficiency.
5. **Automotive Electronics**
This MOSFET is also widely used in automotive electronic systems, especially in power management and power drive systems of electric vehicles. The high withstand voltage and high current carrying capacity of SI4423DY-T1-E3-VB enable it to meet the stringent performance requirements in electric vehicles, such as key modules such as power battery management and chargers.
Through these application fields, we can see that SI4423DY-T1-E3-VB MOSFET, as a low-power, high-efficiency switching element, can be widely used in multiple modules that require efficient current control and power management.
* 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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