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PSMN1R4-40YLDX-VB Product details
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**You are designing a high-power-density DC-DC converter or power tool power supply. The PCB needs to handle hundreds of amps of current, but you are extremely sensitive to conduction losses and thermal space. Ordinary MOSFETs either have high on-resistance or large packages, making it difficult to balance efficiency and miniaturization. The VBsemi PSMN1R4-40YLDX-VB is designed for this exact challenge—based on advanced SGT (Shielded Gate Trench) technology, it integrates a 40V voltage rating, 150A continuous current capability, and an on-resistance of only 0.7mΩ into the compact LFPAK56 package, allowing high-current power supply designs without compromise.**
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | 40V | 3V | 150A | 0.7(mΩ) | SGT |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | SGT |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | 40V | 3V | 150A | SGT |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | 40V | 3V | 150A | SGT |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | MOS |
- Voltage Rating 40V, providing ample safety margin for low-voltage, high-current scenarios.
- Gate Drive Range ±20V, compatible with various drive voltages, strong gate overvoltage tolerance.
- Threshold Voltage 3V, clear switching characteristics, suitable for power stage drive circuits.
- On-Resistance 0.7mΩ (at 10V drive), extremely low losses, significantly improving system efficiency.
- Maximum Current 150A, small package capable of handling massive currents.
- Uses SGT Technology, excellent figure of merit (Qg×RDS(on)), suitable for high-frequency switching applications.
**
Domain and module applications：
- High-Power DC-DC Buck/Boost Modules – As synchronous rectifiers or main switches, significantly reducing conduction losses and improving conversion efficiency.
- Power Tools / Brushless Motor Drives – Leveraging 150A high current capability and ultra-low on-resistance to handle stall and impact loads, reducing temperature rise.
- Automotive 12V/24V Power Systems – 40V voltage rating combined with low on-resistance adapts to vehicle voltage fluctuations, providing stable power rails for loads.
- Battery Protection Boards / BMS – Fast disconnection during overcurrent or short circuit, low impedance path reduces power loss, extending battery life.
- Server Power Supplies / Telecom Power Supplies – In high-frequency LLC or Buck topologies, SGT technology brings lower switching losses, aiding high-density design.
- High-Power Lithium Battery Discharge Equipment – Such as drone and robot battery packs, sustaining continuous high current output with minimal thermal stress.
**One Sentence Summary:** The PSMN1R4-40YLDX-VB is not just an ordinary MOSFET; it is the 'ultra-low resistance switch' and 'efficiency engine' for your high-power, low-loss power supply designs.
* 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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