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Si4948BEY-VB Product details
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The VBsemi Si4948BEY-VB is a dual P-channel field-effect transistor manufactured using Trench technology, designed for medium and low voltage load switching and power management applications. Its SOP8 package integrates dual channels within a limited area, effectively simplifying PCB layout and increasing power density, making it suitable for high-reliability industrial and consumer electronic systems. The device provides stable turn-off characteristics within a -60V drain-source voltage range, and its gate drive is compatible with common 4.5V/10V logic levels, enabling direct connection to a controller for precise on/off control.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOP8 | Dual-P+P | -60V | -1.9V | -4A | 145(mΩ) | 120(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOP8 | Dual-P+P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOP8 | Dual-P+P | -60V | -1.9V | -4A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOP8 | Dual-P+P | -60V | -1.9V | -4A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOP8 | Dual-P+P | MOS |
Drain-Source Voltage (VDS): -60V
Gate-Source Voltage (VGS): ±20V
Threshold Voltage (Vth): -1.9V (typical)
On-Resistance (VGS=4.5V): 145mΩ (typical)
On-Resistance (VGS=10V): 120mΩ (typical)
Maximum Drain Current (ID): -4A
Package Type: SOP8
Process Technology: Trench
Domain and module applications：
1. Load Switches: Used for on/off control of system power rails. The dual P-channel configuration supports high-side switching applications, and the low on-resistance reduces voltage drop and power dissipation.
2. Battery Protection Circuits: Suitable for portable devices or energy storage systems, acting as the main switch for the negative terminal charge/discharge path, working with a protection IC for fast overcurrent and overvoltage shutdown.
3. DC-DC Converters: Used for synchronous rectification or auxiliary switches in Buck/Boost topologies, improving conversion efficiency and adapting to small-size power module designs.
4. Motor Drives: Drives small DC brushed or brushless motors, supports PWM speed control, and is used in fans, pumps, and automation actuators.
5. Reverse Polarity Protection: Utilizes P-channel characteristics to achieve battery reverse connection isolation, reducing conduction losses and extending device battery life.
6. Consumer Electronics Power Management: Integrated into smart home control boards and USB power on/off circuits for load detection and power distribution.
7. Automotive Auxiliary Systems: Provides voltage regulation and switching functions for infotainment, sensors, and lighting modules in 12V automotive networks.
* 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
