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SI3971DV-T1-E3-VB Product details
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1. Product Introduction (SI3971DV-T1-E3-VB)
**SI3971DV-T1-E3-VB** is a bipolar power MOSFET in a **SOT23-6 package**, which contains two P-channel MOSFETs (P+P type configuration). This MOSFET has a wide range of applications and is particularly suitable for power management systems that require low on-resistance, high efficiency and higher current load. SI3971DV has a **maximum drain-to-source voltage (VDS)** of **20V, and its **Vth (threshold voltage)** is -0.6V, ensuring stable switching performance at low voltage. This product uses **Trench technology** to optimize the on-resistance, allowing it to maintain low power loss even at higher currents.
**SI3971DV-T1-E3-VB** is a bipolar power MOSFET in a **SOT23-6 package**, which contains two P-channel MOSFETs (P+P type configuration). This MOSFET has a wide range of applications and is particularly suitable for power management systems that require low on-resistance, high efficiency and higher current load. SI3971DV has a **maximum drain-to-source voltage (VDS)** of **20V, and its **Vth (threshold voltage)** is -0.6V, ensuring stable switching performance at low voltage. This product uses **Trench technology** to optimize the on-resistance, allowing it to maintain low power loss even at higher currents.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | -20V | -0.6V | -4A | 100mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | -20V | -0.6V | -4A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | -20V | -0.6V | -4A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P |
2. Detailed parameter description
| **Parameter** | **Description** |
|----------------------|--------------------------------------------|
| **Model** | SI3971DV-T1-E3-VB |
| **Package** | SOT23-6 |
| **Configuration** | Dual P+P-Channel |
| **Maximum drain voltage (VDS)** | -20V |
| **Gate voltage (VGS)** | ±12V |
| **Threshold voltage (Vth)** | -0.6V |
| **On-resistance (RDS(ON))** | 100mΩ (VGS=2.5V) |
| | 75mΩ (VGS=4.5V) |
| **Maximum drain current (ID)** | -4A |
| **Technology** | Trench technology (optimized on-resistance) |
| **Parameter** | **Description** |
|----------------------|--------------------------------------------|
| **Model** | SI3971DV-T1-E3-VB |
| **Package** | SOT23-6 |
| **Configuration** | Dual P+P-Channel |
| **Maximum drain voltage (VDS)** | -20V |
| **Gate voltage (VGS)** | ±12V |
| **Threshold voltage (Vth)** | -0.6V |
| **On-resistance (RDS(ON))** | 100mΩ (VGS=2.5V) |
| | 75mΩ (VGS=4.5V) |
| **Maximum drain current (ID)** | -4A |
| **Technology** | Trench technology (optimized on-resistance) |
Domain and module applications：
3. Application fields and modules
- **Power management module**
Due to its low on-resistance (RDS(ON)) and high drain current capability, SI3971DV-T1-E3-VB is particularly suitable for power converters, battery management systems (BMS), and power switch parts in DC-DC converters. Its P-channel structure makes it excel in high-side switching of power input.
- **Load switch**
In load switch circuits, especially high-current load switch applications, SI3971DV-T1-E3-VB is very suitable for battery-powered devices or other electronic modules that require efficient load switching due to its low RDS(ON) and high current carrying capacity.
- **Battery management system (BMS)**
In battery management systems, SI3971DV-T1-E3-VB can be used in key circuits such as charging control, overvoltage protection, and load control. Its low on-resistance helps improve the efficiency of battery management systems and reduce power losses.
- **Inverters and DC-AC Converters**
In inverters and DC-AC converters, especially in systems requiring high efficiency, this MOSFET can be used as a high-side switch, taking advantage of its fast switching and low on-resistance, thereby improving the overall performance and efficiency of the system.
- **Automotive Electronics and Power Conditioning Systems**
For automotive electronics applications, such as power conversion systems in electric vehicles (EVs) or hybrid vehicles (HEVs), the low power loss and high reliability of the SI3971DV-T1-E3-VB are very suitable for use in power modules, especially in situations where efficient power switching is required.
In short, the SI3971DV-T1-E3-VB has excellent power management capabilities and low loss characteristics, and is widely used in modern electronic devices, especially in battery-driven systems and high-efficiency power conversion modules.
- **Power management module**
Due to its low on-resistance (RDS(ON)) and high drain current capability, SI3971DV-T1-E3-VB is particularly suitable for power converters, battery management systems (BMS), and power switch parts in DC-DC converters. Its P-channel structure makes it excel in high-side switching of power input.
- **Load switch**
In load switch circuits, especially high-current load switch applications, SI3971DV-T1-E3-VB is very suitable for battery-powered devices or other electronic modules that require efficient load switching due to its low RDS(ON) and high current carrying capacity.
- **Battery management system (BMS)**
In battery management systems, SI3971DV-T1-E3-VB can be used in key circuits such as charging control, overvoltage protection, and load control. Its low on-resistance helps improve the efficiency of battery management systems and reduce power losses.
- **Inverters and DC-AC Converters**
In inverters and DC-AC converters, especially in systems requiring high efficiency, this MOSFET can be used as a high-side switch, taking advantage of its fast switching and low on-resistance, thereby improving the overall performance and efficiency of the system.
- **Automotive Electronics and Power Conditioning Systems**
For automotive electronics applications, such as power conversion systems in electric vehicles (EVs) or hybrid vehicles (HEVs), the low power loss and high reliability of the SI3971DV-T1-E3-VB are very suitable for use in power modules, especially in situations where efficient power switching is required.
In short, the SI3971DV-T1-E3-VB has excellent power management capabilities and low loss characteristics, and is widely used in modern electronic devices, especially in battery-driven systems and high-efficiency power conversion modules.
* 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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