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SI4446DY-T1-E3-VB Product details
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VBsemi SI4446DY-T1-E3-VB is a Single N-Channel MOSFET, part of the VBsemi brand product series. This product utilizes advanced Trench technology, featuring low on-resistance, high switching speed, and excellent thermal stability, suitable for various power control and power management applications. Its drain-source voltage (VDS) is 40V, and the gate-source voltage (VGS) range is ±20V. The package is SOP8, balancing heat dissipation performance with compact design requirements, making it suitable for efficient power conversion on space-constrained circuit boards.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOP8 | Single-N | 40V | 1.8V | 10A | 16(mΩ) | 14(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOP8 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOP8 | Single-N | 40V | 1.8V | 10A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOP8 | Single-N | 40V | 1.8V | 10A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOP8 | Single-N | MOS |
- Drain-Source Voltage (VDS): 40V
- Gate-Source Voltage (VGS): ±20V
- Threshold Voltage (Vth): 1.8V
- On-Resistance (VGS=4.5V): 16 mΩ
- On-Resistance (VGS=10V): 14 mΩ
- Maximum Drain Current (ID): 10A
- Package: SOP8
- Technology: Trench
Domain and module applications：
1. Power Management Modules: SI4446DY-T1-E3-VB is suitable for DC-DC converters, regulated power supplies, and point-of-load power modules. With its low on-resistance and high current capability, it effectively improves system conversion efficiency.
2. Battery Protection Circuits: In lithium-ion battery charge/discharge management systems, this device can act as a switching element, precisely controlling the charge/discharge loop, ensuring the safety and lifespan of the battery pack.
3. Low-Voltage Motor Drives: Suitable for small DC motor, fan drives, and power tool control modules, enabling motor start/stop, forward/reverse rotation, and PWM speed control functions.
4. Consumer Electronics Switching Circuits: Can be used in smart sockets, USB power switches, home appliance control boards, etc., achieving low-loss power on/off and load distribution.
5. LED Lighting Drivers: In low-voltage LED lighting systems, this device can serve as a constant current or dimming control switch, ensuring stable output and efficient energy saving of the lighting equipment.
6. Automotive Auxiliary Power: Suitable for auxiliary power supply circuits in car infotainment systems, dashcams, etc., providing reliable power conversion and overcurrent protection capabilities.
7. Communication Equipment Power Supply: In board-level power supply designs for base stations, routers, and other communication equipment, this device can be used for synchronous rectification and power path management, meeting the requirements of high density and high reliability applications.
* 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：
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