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PSMN1R4-40YSH-VB Product details
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The PSMN1R4-40YSH-VB is a Single N-MOS deeply optimized for low-voltage, high-current power conversion scenarios. Using advanced SGT (Split-Gate Trench) technology, it achieves an excellent balance between extremely low on-resistance and fast switching capability. The LFPAK56 package combines excellent thermal performance with a compact footprint, making it suitable for high-power-density applications. The combination of 40V withstand voltage, 150A current capability, and 0.7mΩ on-resistance makes it an ideal core power device for medium-to-high-power applications such as server power supplies, automotive electrical systems, and industrial DC converters.
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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 |
VDS=40V: Suitable for 12V/24V/36V systems, providing ample voltage margin for switching spikes, significantly reducing avalanche failure risk.
VGS=±20V: Wide gate drive range, compatible with 5V~12V logic levels, allowing flexible matching with drivers, MCUs, or PMIC outputs.
Vth=3V (typical): Moderate threshold voltage, strong noise immunity, while ensuring full conduction under 10V drive, suitable for high-frequency PWM control.
RDS(on)=0.7mΩ @ VGS=10V: Ultra-low on-resistance dramatically reduces conduction losses, resulting in extremely low temperature rise under full load, allowing for smaller heatsinks or increased system power density.
ID=150A: Robust continuous current capability, capable of handling harsh conditions like motor stall and power supply surges, suitable for high-power load switches and power conversion stages.
Package LFPAK56: Low parasitic inductance, low thermal resistance, supports high switching frequencies, provides excellent board-level reliability, suitable for compact power module design.
Domain and module applications：
DC-DC Converters: The 0.7mΩ ultra-low resistance significantly improves synchronous rectification efficiency, increasing heavy-load efficiency by 2-4%, aiding the miniaturization of server and telecom power modules.
Motor Drives and Power Tools: The 150A high current margin combined with low switching losses can drive high-power motors smoothly, with significantly lower controller temperature rise.
Automotive Electrical Systems: 40V withstand voltage is compatible with 12V/24V vehicle buses, suitable for high-current loads like start-stop systems, electric power steering, and battery switches.
Battery Protection and BMS: Ultra-low on-resistance reduces heat generation on the protection board; fast switching characteristics ensure reliable shutdown during overcurrent/short circuit, improving system safety.
Energy Storage and Inverters: The low figure of merit (FOM) of the SGT process reduces switching and conduction losses, suitable for efficient bidirectional conversion topologies.
High-Power Load Switches: Supports hot-swap and power path management, low voltage drop and high current density allow for simpler system layout, saving PCB area.
Power Modules and Industrial Power Supplies: The LFPAK56 package features low thermal resistance and small parasitic parameters, suitable for high-performance applications like 48V input buses and multi-phase buck converters.
Selection Summary: With its extreme parameter combination of 40V/150A/0.7mΩ and advanced SGT technology, the PSMN1R4-40YSH-VB provides a high-performance, high-reliability power switch solution in the low-voltage, high-current field. Its ultra-low on-resistance and robust package make it particularly suitable for power supply, automotive, and industrial applications with stringent requirements for efficiency, power density, and thermal management, making it an ideal choice for upgrading from traditional DPAK/TO-220 solutions.
* 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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