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SI3443BDV-T1-GE3-VB Product details
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**SI3443BDV-T1-GE3-VB Product Introduction**
SI3443BDV-T1-GE3-VB is a single P-type MOSFET in SOT23-6 package, designed for low voltage power management, load switching and battery management systems. The maximum drain-source voltage (V_DS) of this MOSFET is -30V, and the maximum gate-source voltage (V_GS) is ±20V, which is suitable for various applications that require negative voltage operation. SI3443BDV-T1-GE3-VB has a low on-resistance (R_DS(on)) of 54mΩ (V_GS = 4.5V) and 49mΩ (V_GS = 10V), which can effectively reduce switching losses and improve power conversion efficiency. The maximum drain current (I_D) is -4.8A, ensuring that it can also work stably in high current applications. This product uses Trench technology and has excellent switching performance, suitable for a variety of applications requiring efficient power management and load switching.
SI3443BDV-T1-GE3-VB is a single P-type MOSFET in SOT23-6 package, designed for low voltage power management, load switching and battery management systems. The maximum drain-source voltage (V_DS) of this MOSFET is -30V, and the maximum gate-source voltage (V_GS) is ±20V, which is suitable for various applications that require negative voltage operation. SI3443BDV-T1-GE3-VB has a low on-resistance (R_DS(on)) of 54mΩ (V_GS = 4.5V) and 49mΩ (V_GS = 10V), which can effectively reduce switching losses and improve power conversion efficiency. The maximum drain current (I_D) is -4.8A, ensuring that it can also work stably in high current applications. This product uses Trench technology and has excellent switching performance, suitable for a variety of applications requiring efficient power management and load switching.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | -30V | -1.7V | -4.8A | 49mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | -30V | -1.7V | -4.8A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | -30V | -1.7V | -4.8A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P |
**SI3443BDV-T1-GE3-VB Detailed parameter description**
- **Package:** SOT23-6
- **Configuration:** Single P-type MOSFET (Single-P-Channel)
- **V_DS (drain-source voltage):** -30V
- **V_GS (gate-source voltage):** ±20V
- **V_th (gate threshold voltage):** -1.7V
- **R_DS(ON) (on-resistance):**
- 54mΩ @ V_GS = 4.5V
- 49mΩ @ V_GS = 10V
- **I_D (maximum drain current):** -4.8A
- **Technology:** Trench (trench technology)
**Electrical characteristics:**
- **Low on-resistance:** At V_GS = 4.5V At V_GS = 10V and V_GS = 10V, the MOSFET has an on-resistance of 54mΩ and 49mΩ respectively, which makes it have low power consumption and low heat characteristics at high currents, improving power efficiency.
- **High-efficiency switching:** Using Trench technology, this MOSFET provides excellent switching performance and high-frequency operation capabilities, suitable for a variety of power conversion applications.
- **Current carrying capacity:** The maximum drain current is -4.8A, which can operate stably under higher load conditions, suitable for power management and load switching applications.
- **Negative voltage applications:** As a P-type MOSFET, this product is ideal for negative voltage applications and can handle negative voltage sources or negative current flows.
- **Package:** SOT23-6
- **Configuration:** Single P-type MOSFET (Single-P-Channel)
- **V_DS (drain-source voltage):** -30V
- **V_GS (gate-source voltage):** ±20V
- **V_th (gate threshold voltage):** -1.7V
- **R_DS(ON) (on-resistance):**
- 54mΩ @ V_GS = 4.5V
- 49mΩ @ V_GS = 10V
- **I_D (maximum drain current):** -4.8A
- **Technology:** Trench (trench technology)
**Electrical characteristics:**
- **Low on-resistance:** At V_GS = 4.5V At V_GS = 10V and V_GS = 10V, the MOSFET has an on-resistance of 54mΩ and 49mΩ respectively, which makes it have low power consumption and low heat characteristics at high currents, improving power efficiency.
- **High-efficiency switching:** Using Trench technology, this MOSFET provides excellent switching performance and high-frequency operation capabilities, suitable for a variety of power conversion applications.
- **Current carrying capacity:** The maximum drain current is -4.8A, which can operate stably under higher load conditions, suitable for power management and load switching applications.
- **Negative voltage applications:** As a P-type MOSFET, this product is ideal for negative voltage applications and can handle negative voltage sources or negative current flows.
Domain and module applications：
**Applicable fields and modules**
1. **Power management module:**
SI3443BDV-T1-GE3-VB is suitable for low-voltage power management modules. Its low on-resistance and efficient switching performance enable it to efficiently control the switching of power supplies. It is especially effective in DC-DC converters, battery chargers, and voltage regulation circuits that require negative voltage regulation. For example, in portable electronic devices, this MOSFET can be used to control the switching of power supplies to provide stable and reliable voltage output.
2. **Load switch application:**
Due to its low on-resistance, SI3443BDV-T1-GE3-VB performs well in load switch applications, can efficiently switch loads, reduce power consumption and improve efficiency. In smart home, communication equipment and other fields, MOSFET can be used to efficiently control the connection and disconnection of loads. For example, in smart home devices, this MOSFET can be used as a switching element to control the switching of device power to ensure system stability and low power operation.
3. **Battery Management System (BMS): **
In the battery management system, SI3443BDV-T1-GE3-VB can be used to control the battery charging and discharging process, especially for battery protection circuits that require negative voltage operation. The low on-resistance and high current carrying capacity of MOSFET enable it to efficiently control the charging and discharging of the battery, ensuring that the battery operates within a safe voltage range. This feature is very important in the battery management system of electric vehicles (EV) and mobile devices to provide battery protection and optimize battery life.
4. **Automotive Electronics: **
In automotive electronics, SI3443BDV-T1-GE3-VB can be used in battery management systems, power switch control, and power regulation modules. In particular, in battery management systems in electric vehicles (EV) and hybrid electric vehicles (HEV), this MOSFET can help manage the charging and discharging of the battery, ensuring that automotive electronic equipment operates at high efficiency. Its efficient switching and low on-resistance characteristics are critical to ensuring the efficiency and reliability of the battery system over long periods of operation.
5. **Communication equipment: **
This MOSFET can be used for power switches and load switching modules in communication equipment, especially in wireless communication equipment and base stations. Its low on-resistance, large current carrying capacity and high switching efficiency ensure the stability of the equipment in high-frequency operation. For example, in the base station power management system, SI3443BDV-T1-GE3-VB can be used as a power switch to ensure stable power supply, reduce energy loss and improve communication quality.
6. **Consumer electronics: **
In the field of consumer electronics, SI3443BDV-T1-GE3-VB is widely used in power management circuits of devices such as smartphones, tablets, and digital cameras. Due to its low power consumption characteristics, this MOSFET can effectively extend the battery life of the device, especially in applications that require high-efficiency power management. For example, in the battery protection system of mobile devices, this MOSFET can be used as a switching element for the battery to protect the battery from overcharging or over-discharging and optimize the battery life.
1. **Power management module:**
SI3443BDV-T1-GE3-VB is suitable for low-voltage power management modules. Its low on-resistance and efficient switching performance enable it to efficiently control the switching of power supplies. It is especially effective in DC-DC converters, battery chargers, and voltage regulation circuits that require negative voltage regulation. For example, in portable electronic devices, this MOSFET can be used to control the switching of power supplies to provide stable and reliable voltage output.
2. **Load switch application:**
Due to its low on-resistance, SI3443BDV-T1-GE3-VB performs well in load switch applications, can efficiently switch loads, reduce power consumption and improve efficiency. In smart home, communication equipment and other fields, MOSFET can be used to efficiently control the connection and disconnection of loads. For example, in smart home devices, this MOSFET can be used as a switching element to control the switching of device power to ensure system stability and low power operation.
3. **Battery Management System (BMS): **
In the battery management system, SI3443BDV-T1-GE3-VB can be used to control the battery charging and discharging process, especially for battery protection circuits that require negative voltage operation. The low on-resistance and high current carrying capacity of MOSFET enable it to efficiently control the charging and discharging of the battery, ensuring that the battery operates within a safe voltage range. This feature is very important in the battery management system of electric vehicles (EV) and mobile devices to provide battery protection and optimize battery life.
4. **Automotive Electronics: **
In automotive electronics, SI3443BDV-T1-GE3-VB can be used in battery management systems, power switch control, and power regulation modules. In particular, in battery management systems in electric vehicles (EV) and hybrid electric vehicles (HEV), this MOSFET can help manage the charging and discharging of the battery, ensuring that automotive electronic equipment operates at high efficiency. Its efficient switching and low on-resistance characteristics are critical to ensuring the efficiency and reliability of the battery system over long periods of operation.
5. **Communication equipment: **
This MOSFET can be used for power switches and load switching modules in communication equipment, especially in wireless communication equipment and base stations. Its low on-resistance, large current carrying capacity and high switching efficiency ensure the stability of the equipment in high-frequency operation. For example, in the base station power management system, SI3443BDV-T1-GE3-VB can be used as a power switch to ensure stable power supply, reduce energy loss and improve communication quality.
6. **Consumer electronics: **
In the field of consumer electronics, SI3443BDV-T1-GE3-VB is widely used in power management circuits of devices such as smartphones, tablets, and digital cameras. Due to its low power consumption characteristics, this MOSFET can effectively extend the battery life of the device, especially in applications that require high-efficiency power management. For example, in the battery protection system of mobile devices, this MOSFET can be used as a switching element for the battery to protect the battery from overcharging or over-discharging and optimize the battery life.
* 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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