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SMG2345PE-VB Product details
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Product Introduction
SMG2345PE-VB is a unipolar P-channel MOSFET in SOT23-3 package with low on-resistance and high current carrying capacity. The maximum drain-source voltage (V_DS) of this MOSFET is -30V, the gate-source voltage (V_GS) is ±20V, the turn-on voltage (V_th) is -1.7V, and the drain current (I_D) can reach up to -5.6A. Its on-resistance (R_DS(ON)) is 54mΩ @ V_GS = 4.5V and 46mΩ @ V_GS = 10V at different gate voltages, with low power consumption and high efficiency performance. SMG2345PE-VB adopts Trench technology and is suitable for switching power supplies and load management applications that require high efficiency and low current loss. It is very suitable for low-voltage and miniaturized power supply systems, especially in situations where negative power supply or reverse voltage control is required.
SMG2345PE-VB is a unipolar P-channel MOSFET in SOT23-3 package with low on-resistance and high current carrying capacity. The maximum drain-source voltage (V_DS) of this MOSFET is -30V, the gate-source voltage (V_GS) is ±20V, the turn-on voltage (V_th) is -1.7V, and the drain current (I_D) can reach up to -5.6A. Its on-resistance (R_DS(ON)) is 54mΩ @ V_GS = 4.5V and 46mΩ @ V_GS = 10V at different gate voltages, with low power consumption and high efficiency performance. SMG2345PE-VB adopts Trench technology and is suitable for switching power supplies and load management applications that require high efficiency and low current loss. It is very suitable for low-voltage and miniaturized power supply systems, especially in situations where negative power supply or reverse voltage control is required.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P | -30V | -1.7V | -5.6A | 46mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P | -30V | -1.7V | -5.6A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P | -30V | -1.7V | -5.6A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P |
Detailed parameter description
- **Model**: SMG2345PE-VB
- **Package**: SOT23-3
- **Configuration**: Unipolar P-channel MOSFET
- **Drain-source voltage (V_DS)**: -30V
- **Gate-source voltage (V_GS)**: ±20V
- **Throughput voltage (V_th)**: -1.7V
- **On-resistance (R_DS(ON))**:
- 54mΩ @ V_GS = 4.5V
- 46mΩ @ V_GS = 10V
- **Drain current (I_D)**: -5.6A
- **Technology type**: Trench
- **Model**: SMG2345PE-VB
- **Package**: SOT23-3
- **Configuration**: Unipolar P-channel MOSFET
- **Drain-source voltage (V_DS)**: -30V
- **Gate-source voltage (V_GS)**: ±20V
- **Throughput voltage (V_th)**: -1.7V
- **On-resistance (R_DS(ON))**:
- 54mΩ @ V_GS = 4.5V
- 46mΩ @ V_GS = 10V
- **Drain current (I_D)**: -5.6A
- **Technology type**: Trench
Domain and module applications：
Application fields and module examples
SMG2345PE-VB is suitable for power switches, battery management, LED drivers and other fields that require low on-resistance and high efficiency. Since it is a P-channel MOSFET, it is usually used in situations where reverse voltage control is required. The following are typical applications of this MOSFET:
1. **Negative power supply system**
SMG2345PE-VB is often used in negative power supply systems, especially for low voltage and miniaturized power supply system applications. Its P-channel characteristics make it very suitable for negative power conversion circuits. It can be used as a switching element for negative power supply to reduce power consumption and improve system efficiency. Such applications are widely used in embedded systems, sensor networks and low-power devices.
2. **DC-DC converter**
In DC-DC converters of negative voltage or dual power supply systems, SMG2345PE-VB can be used as a negative side switching element to help achieve more efficient voltage conversion. Its low on-resistance and high current carrying capacity enable it to have excellent performance in high-frequency switching power supplies. Widely used in power conversion circuits in battery-driven devices and portable devices.
3. **Reverse current protection and load switch**
SMG2345PE-VB is suitable for reverse current protection circuits as a load switch or load protection element. It can quickly disconnect the load when reverse current is detected to protect the circuit from damage. This is very important in battery-powered systems, solar panel management systems and portable devices to ensure safe operation of the system in extreme environments.
4. **LED driver**
SMG2345PE-VB can be used in low-voltage LED drive circuits as a switching element to adjust the flow of current and help achieve efficient LED power supply. It effectively extends the service life of LED lamps while reducing power loss, and is particularly suitable for use in dimmable LED drive systems.
5. **Battery Management System (BMS)**
In the battery management system (BMS), SMG2345PE-VB can be used as a switching element to regulate the charging and discharging of the battery, especially in battery management that needs to handle negative voltage. By reducing the on-resistance and increasing the current carrying capacity, the overall efficiency of the battery system can be improved, and it is widely used in power tools, electric vehicles and smart devices.
6. **Synchronous Rectification Power Supply**
SMG2345PE-VB is also widely used in synchronous rectification power supplies. It can be used in conjunction with N-channel MOSFET as a switch for the reverse current path to replace traditional diode rectification. In this way, the rectification loss can be significantly reduced, the conversion efficiency of the power supply can be improved, and it is widely used in power adapters, consumer electronics and data communication equipment.
SMG2345PE-VB is suitable for power switches, battery management, LED drivers and other fields that require low on-resistance and high efficiency. Since it is a P-channel MOSFET, it is usually used in situations where reverse voltage control is required. The following are typical applications of this MOSFET:
1. **Negative power supply system**
SMG2345PE-VB is often used in negative power supply systems, especially for low voltage and miniaturized power supply system applications. Its P-channel characteristics make it very suitable for negative power conversion circuits. It can be used as a switching element for negative power supply to reduce power consumption and improve system efficiency. Such applications are widely used in embedded systems, sensor networks and low-power devices.
2. **DC-DC converter**
In DC-DC converters of negative voltage or dual power supply systems, SMG2345PE-VB can be used as a negative side switching element to help achieve more efficient voltage conversion. Its low on-resistance and high current carrying capacity enable it to have excellent performance in high-frequency switching power supplies. Widely used in power conversion circuits in battery-driven devices and portable devices.
3. **Reverse current protection and load switch**
SMG2345PE-VB is suitable for reverse current protection circuits as a load switch or load protection element. It can quickly disconnect the load when reverse current is detected to protect the circuit from damage. This is very important in battery-powered systems, solar panel management systems and portable devices to ensure safe operation of the system in extreme environments.
4. **LED driver**
SMG2345PE-VB can be used in low-voltage LED drive circuits as a switching element to adjust the flow of current and help achieve efficient LED power supply. It effectively extends the service life of LED lamps while reducing power loss, and is particularly suitable for use in dimmable LED drive systems.
5. **Battery Management System (BMS)**
In the battery management system (BMS), SMG2345PE-VB can be used as a switching element to regulate the charging and discharging of the battery, especially in battery management that needs to handle negative voltage. By reducing the on-resistance and increasing the current carrying capacity, the overall efficiency of the battery system can be improved, and it is widely used in power tools, electric vehicles and smart devices.
6. **Synchronous Rectification Power Supply**
SMG2345PE-VB is also widely used in synchronous rectification power supplies. It can be used in conjunction with N-channel MOSFET as a switch for the reverse current path to replace traditional diode rectification. In this way, the rectification loss can be significantly reduced, the conversion efficiency of the power supply can be improved, and it is widely used in power adapters, consumer electronics and data communication equipment.
* 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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