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SI6943BDQ-T1-E3-VB Product details
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Product Introduction
**SI6943BDQ-T1-E3-VB** is a dual P-channel MOSFET in a TSSOP8 package, designed for low-voltage, high-efficiency power management and switching applications. The maximum drain-source voltage (V_DS) of this product is -30V, which is suitable for a variety of power switching and protection applications. It has a low on-resistance (R_DS(ON)), which is 55mΩ at V_GS = 4.5V and 36mΩ at V_GS = 10V, which can effectively reduce power loss during current transmission. The maximum drain current is -5.2A, and the Trench technology is used to provide stable and reliable performance in efficient power management systems. Due to its threshold voltage (V_th) of -1.7V, it can be turned on at a lower voltage, thus performing well in a variety of low-power and high-efficiency applications.
**SI6943BDQ-T1-E3-VB** is a dual P-channel MOSFET in a TSSOP8 package, designed for low-voltage, high-efficiency power management and switching applications. The maximum drain-source voltage (V_DS) of this product is -30V, which is suitable for a variety of power switching and protection applications. It has a low on-resistance (R_DS(ON)), which is 55mΩ at V_GS = 4.5V and 36mΩ at V_GS = 10V, which can effectively reduce power loss during current transmission. The maximum drain current is -5.2A, and the Trench technology is used to provide stable and reliable performance in efficient power management systems. Due to its threshold voltage (V_th) of -1.7V, it can be turned on at a lower voltage, thus performing well in a variety of low-power and high-efficiency applications.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TSSOP8 | Dual-P+P | -30V | -1.7V | -5.2A | 36mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TSSOP8 | Dual-P+P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TSSOP8 | Dual-P+P | -30V | -1.7V | -5.2A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TSSOP8 | Dual-P+P | -30V | -1.7V | -5.2A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TSSOP8 | Dual-P+P |
Detailed parameter description
- **Model**: SI6943BDQ-T1-E3-VB
- **Package type**: TSSOP8
- **Configuration**: Dual-P+P-Channel
- **Maximum drain-source voltage (V_DS)**: -30V
- **Maximum gate-source voltage (V_GS)**: ±20V
- **Threshold voltage (V_th)**: -1.7V
- **On-resistance (R_DS(ON))**:
- **V_GS = 4.5V**: 55mΩ
- **V_GS = 10V**: 36mΩ
- **Maximum drain current (I_D)**: -5.2A
- **Operating temperature range**: -55°C to +150°C
- **Technology**: Trench technology
- **Package size**: TSSOP8
- **Model**: SI6943BDQ-T1-E3-VB
- **Package type**: TSSOP8
- **Configuration**: Dual-P+P-Channel
- **Maximum drain-source voltage (V_DS)**: -30V
- **Maximum gate-source voltage (V_GS)**: ±20V
- **Threshold voltage (V_th)**: -1.7V
- **On-resistance (R_DS(ON))**:
- **V_GS = 4.5V**: 55mΩ
- **V_GS = 10V**: 36mΩ
- **Maximum drain current (I_D)**: -5.2A
- **Operating temperature range**: -55°C to +150°C
- **Technology**: Trench technology
- **Package size**: TSSOP8
Domain and module applications：
Applications and modules
1. **Battery Management System (BMS)**:
- In the battery management system, SI6943BDQ-T1-E3-VB acts as a core component of the load switch and protection circuit to help manage the battery charging and discharging process. Due to its low on-resistance and high current capability, this MOSFET can effectively reduce energy loss in the battery management process while ensuring the stable operation of the system. It is suitable for lithium battery management, battery protection circuits and other high-performance battery applications.
2. **Consumer Electronic Devices**:
- In consumer electronic products such as smartphones, tablets, wearable devices, etc., SI6943BDQ-T1-E3-VB can be used for power switching, battery power management, charging control and other functions. Its low power consumption characteristics and high current capability enable it to provide longer use time in battery-powered devices and maintain efficient battery management and stable power supply.
3. **DC-DC Converter**:
- SI6943BDQ-T1-E3-VB plays an important role in DC-DC converters, especially in load switches and power management modules. It has low on-resistance, which can improve conversion efficiency and reduce heat loss, especially in applications requiring efficient voltage conversion, such as power adapters, communication equipment and radio systems.
4. **Automotive Electronic Applications**:
- In automotive electronic systems, especially battery management and power conditioning modules in electric vehicles (EV) and hybrid electric vehicles (HEV), SI6943BDQ-T1-E3-VB can provide precise current control, optimize battery charging and discharging processes, reduce energy loss and improve system efficiency. In addition, it is also widely used in automotive power distribution systems, on-board power modules and other fields.
5. **LED Lighting Control**:
- In LED lighting systems, SI6943BDQ-T1-E3-VB can be used for efficient power conversion and brightness adjustment. Due to its low on-resistance, it can reduce the heat generated during the LED power drive process and improve the energy efficiency of the system. It is suitable for commercial and industrial lighting, indoor and outdoor LED lighting, and intelligent lighting systems.
6. **Power protection circuit**:
- This MOSFET is suitable for circuits such as overcurrent protection, power switching, and thermal protection in power management systems. Due to its efficient switching characteristics and low power loss, it provides stable performance in modern power protection circuits and can be used to prevent power systems from overload or short circuit.
7. **Communication equipment and network equipment**:
- SI6943BDQ-T1-E3-VB can be used in power management modules in communication equipment (such as routers and base stations). These devices usually require efficient and stable power management, especially under conditions of large loads and long-term operation, and this MOSFET can ensure efficient and low-loss power transmission to help improve the overall energy efficiency of the equipment.
8. **Industrial Automation Equipment**:
- In industrial automation equipment, SI6943BDQ-T1-E3-VB can be used for load switches, protection circuits, and power conditioning modules. It is suitable for fields such as motor drives, PLC (Programmable Logic Controller) control, and automated production lines, effectively providing efficient power supply and maintaining long-term stable operation.
9. **Computer Power Module**:
- In computer power modules, SI6943BDQ-T1-E3-VB can be used for efficient power regulation and load switching, ensuring that computer equipment provides stable power supply when the load changes. This is crucial for equipment such as servers, power adapters, and personal computers, and can effectively reduce power loss and improve system operating efficiency.
1. **Battery Management System (BMS)**:
- In the battery management system, SI6943BDQ-T1-E3-VB acts as a core component of the load switch and protection circuit to help manage the battery charging and discharging process. Due to its low on-resistance and high current capability, this MOSFET can effectively reduce energy loss in the battery management process while ensuring the stable operation of the system. It is suitable for lithium battery management, battery protection circuits and other high-performance battery applications.
2. **Consumer Electronic Devices**:
- In consumer electronic products such as smartphones, tablets, wearable devices, etc., SI6943BDQ-T1-E3-VB can be used for power switching, battery power management, charging control and other functions. Its low power consumption characteristics and high current capability enable it to provide longer use time in battery-powered devices and maintain efficient battery management and stable power supply.
3. **DC-DC Converter**:
- SI6943BDQ-T1-E3-VB plays an important role in DC-DC converters, especially in load switches and power management modules. It has low on-resistance, which can improve conversion efficiency and reduce heat loss, especially in applications requiring efficient voltage conversion, such as power adapters, communication equipment and radio systems.
4. **Automotive Electronic Applications**:
- In automotive electronic systems, especially battery management and power conditioning modules in electric vehicles (EV) and hybrid electric vehicles (HEV), SI6943BDQ-T1-E3-VB can provide precise current control, optimize battery charging and discharging processes, reduce energy loss and improve system efficiency. In addition, it is also widely used in automotive power distribution systems, on-board power modules and other fields.
5. **LED Lighting Control**:
- In LED lighting systems, SI6943BDQ-T1-E3-VB can be used for efficient power conversion and brightness adjustment. Due to its low on-resistance, it can reduce the heat generated during the LED power drive process and improve the energy efficiency of the system. It is suitable for commercial and industrial lighting, indoor and outdoor LED lighting, and intelligent lighting systems.
6. **Power protection circuit**:
- This MOSFET is suitable for circuits such as overcurrent protection, power switching, and thermal protection in power management systems. Due to its efficient switching characteristics and low power loss, it provides stable performance in modern power protection circuits and can be used to prevent power systems from overload or short circuit.
7. **Communication equipment and network equipment**:
- SI6943BDQ-T1-E3-VB can be used in power management modules in communication equipment (such as routers and base stations). These devices usually require efficient and stable power management, especially under conditions of large loads and long-term operation, and this MOSFET can ensure efficient and low-loss power transmission to help improve the overall energy efficiency of the equipment.
8. **Industrial Automation Equipment**:
- In industrial automation equipment, SI6943BDQ-T1-E3-VB can be used for load switches, protection circuits, and power conditioning modules. It is suitable for fields such as motor drives, PLC (Programmable Logic Controller) control, and automated production lines, effectively providing efficient power supply and maintaining long-term stable operation.
9. **Computer Power Module**:
- In computer power modules, SI6943BDQ-T1-E3-VB can be used for efficient power regulation and load switching, ensuring that computer equipment provides stable power supply when the load changes. This is crucial for equipment such as servers, power adapters, and personal computers, and can effectively reduce power loss and improve system operating efficiency.
* 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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