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BUK9Y19-55B,115-VB Product details
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You are designing a high-power-density automotive power module facing 60V bus voltage and current demands up to 64A. Traditional MOSFETs often struggle to balance losses and heat dissipation. The VBsemi BUK9Y19-55B,115-VB provides the perfect solution—it uses advanced Trench technology to integrate 60V withstand voltage, 64A current capacity, and a low on-resistance of 6.2mΩ into the LFPAK56 package, giving high-current power supply designs efficiency, compactness, and reliability simultaneously.
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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 | 60V | 1~3V | 64A | 7.8(mΩ) | 6.2(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | 60V | 1~3V | 64A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | 60V | 1~3V | 64A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N |
Voltage rating 60V, confidently handles automotive and industrial bus fluctuations
Gate drive range ±20V, compatible with multiple gate drive levels
Threshold voltage 1~3V, adaptable for direct drive with low-voltage logic
On-resistance 6.2mΩ (at 10V drive) / 7.8mΩ (at 4.5V drive), extremely low losses
Maximum current 64A, outstanding high-current carrying capability
Package LFPAK56, low thermal resistance, small footprint, suitable for high-density wiring
Technology Trench, excellent switching performance, better EMI characteristics
Gate drive range ±20V, compatible with multiple gate drive levels
Threshold voltage 1~3V, adaptable for direct drive with low-voltage logic
On-resistance 6.2mΩ (at 10V drive) / 7.8mΩ (at 4.5V drive), extremely low losses
Maximum current 64A, outstanding high-current carrying capability
Package LFPAK56, low thermal resistance, small footprint, suitable for high-density wiring
Technology Trench, excellent switching performance, better EMI characteristics
Domain and module applications：
Automotive DC-DC Converters – Used as the main power switch, significantly reducing conduction losses in high-current buck-boost topologies, improving overall efficiency.
Motor Drive Modules – Leveraging low on-resistance and high current capability to drive power tools or automotive motors, reducing heat generation and extending equipment life.
Battery Management Systems (BMS) – Performs the function of disconnecting and connecting the charge/discharge loop, protecting battery cells from overcurrent and short circuit damage with microsecond-level response.
Server Power Supplies / Communication Power Supplies – Replaces Schottky diodes in synchronous rectification or OR-ing circuits, improving power density and reducing temperature rise.
Industrial Control and Robotics – Meets the power switching requirements of high voltage and high current, providing a solid power stage foundation for servo drives.
Electric Bicycles / Self-balancing Scooters – Used as the main battery output switch or motor controller, maintaining stable and efficient operation under high torque conditions.
Adapters and Fast Charging Power Supplies – Leveraging the low thermal resistance package of LFPAK56 to maintain good thermal performance even during high-power output. One-sentence summary: BUK9Y19-55B,115-VB is not an ordinary power MOSFET; it is the "low-loss engine" and "power core" in your 60V high-current power supply design.
* 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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