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Si7938DP-VB Product details
Back to previous pageProduct introduction：
The VBsemi Si7938DP-VB is a Dual-N+N Channel Field Effect Transistor belonging to the VBsemi product series. This product is manufactured using advanced Trench technology, featuring a drain-source voltage (VDS) of 40V and operating within a gate-source voltage (VGS) range of ±20V. Its package is DFN8(5X6)-B, suitable for high-density circuit layouts and efficient heat dissipation. The device features a dual N-channel configuration, ultra-low on-resistance, and high current capability, making it suitable for power conversion and control applications requiring high power density and efficiency.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| DFN8(5X6)-B | Dual-N+N | 40V | 3.1V | 60A | 6.5(mΩ) | 5.5(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| DFN8(5X6)-B | Dual-N+N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| DFN8(5X6)-B | Dual-N+N | 40V | 3.1V | 60A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| DFN8(5X6)-B | Dual-N+N | 40V | 3.1V | 60A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| DFN8(5X6)-B | Dual-N+N | MOS |
- Drain-Source Voltage (VDS): 40V
- Gate-Source Voltage (VGS): ±20V
- Threshold Voltage (Vth): 3.1V
- On-Resistance (VGS=4.5V): 6.5mΩ
- On-Resistance (VGS=10V): 5.5mΩ
- Maximum Drain Current (ID): 60A
- Technology: Trench
Domain and module applications：
1. High-Power DC-DC Converters: The Si7938DP-VB is suitable for high-efficiency synchronous rectification circuits, significantly reducing conduction losses and improving overall converter efficiency. Applicable in server power supplies, communication equipment power modules, etc.
2. Motor Drive Modules: This model can be used in low-voltage, high-current motor drive circuits such as power tools, robot joint drives, and drone ESCs, meeting the requirements for high-current switching and PWM speed control.
3. Battery Protection and Management Systems: In energy storage devices and lithium battery protection boards, the Si7938DP-VB can serve as the charge/discharge switch, utilizing its low on-resistance and high current carrying capacity to ensure safe and reliable battery operation.
4. Power Adapters and Fast Charging Modules: Suitable for USB PD fast chargers, laptop adapters, etc. Its dual N-channel configuration enables efficient rectification and power path switching, reducing system size.
5. Automotive Auxiliary Electronic Systems: In vehicle power management, lighting drivers, and body control modules, this device provides stable switching performance, adapting to 12V/24V electrical system environments.
6. Power Tools and Industrial Control: For high-power-density industrial control boards, power tool battery packs, etc., the Si7938DP-VB, with its excellent heat dissipation capability and low thermal resistance of the DFN8 package, is suitable for prolonged high-load operation.
* 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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