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SI7403BDN-T1-GE3-VB Product details
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VBsemi SI7403BDN-T1-GE3-VB is a Single P-channel field-effect transistor manufactured using Trench technology, designed for medium and low-voltage load switching, power management, and power conversion scenarios. Its DFN8 (3X3) package offers excellent heat dissipation capability and a compact footprint, suitable for high-density, miniaturized PCB layouts. The device provides stable switching characteristics within a -20V drain-source voltage range, with gate drive compatible with 2.5V/4.5V logic levels for easy direct system control. Its low on-resistance and high current capability make it excel in low-voltage, high-current applications.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| DFN8(3X3) | Single-P | -20V | -0.6V | -15A | 20(mΩ) | 16(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| DFN8(3X3) | Single-P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| DFN8(3X3) | Single-P | -20V | -0.6V | -15A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| DFN8(3X3) | Single-P | -20V | -0.6V | -15A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| DFN8(3X3) | Single-P | MOS |
- Drain-Source Voltage (VDS): -20V
- Gate-Source Voltage (VGS): ±8V
- Threshold Voltage (Vth): Typical -0.6V
- On-Resistance (VGS=2.5V): 20 mΩ (Typical)
- On-Resistance (VGS=4.5V): 16 mΩ (Typical)
- Maximum Drain Current (ID): -15A
- Package Type: DFN8 (3X3)
- Technology: Trench
Domain and module applications：
1. Portable Device Power Management: Used in power banks and handheld device power supply circuits, utilizing extremely low on-resistance to reduce losses and improve overall conversion efficiency.
2. Battery Protection System: Acts as the main P-channel switch in the charge/discharge circuit, supporting fast overcurrent and overvoltage shutdown to effectively protect cell safety.
3. Low-Voltage Motor Drive: Drives small DC brushed or brushless motors, suitable for fans, pumps, toy actuators, and power tools, supporting PWM speed control.
4. Load Switch and Power Distribution: Used in smart sockets, USB power on/off, and peripheral power management, enabling low standby power consumption and efficient power distribution.
5. DC-DC Converter: Suitable for synchronous rectification, reverse polarity protection, and auxiliary switch circuits, reducing on-state losses and optimizing Buck/Boost miniaturization design.
6. Consumer Electronics Control Unit: Integrated into power boards of TVs, monitors, audio equipment, etc., providing stable low-voltage power supply and switching control.
7. Automotive Auxiliary Power: In 12V automotive networks and low-voltage auxiliary systems, provides reliable power switching for loads such as infotainment, sensors, and dashcams.
* 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：
* If you have any questions about the product, please fill out the form to submit, we will reply you within 24 hours
