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BUK9Q22-80LJ-VB Product details

Product introduction:

VBsemi BUK9Q22-80LJ-VB is a Single N-channel power field-effect transistor using SGT technology, designed for medium- and low-voltage, high-current power conversion and high-density power management applications. Its DFN8(3X3) small package combines excellent heat dissipation with a compact footprint, suitable for PCB layouts that are space-constrained but require high current handling. The device provides stable and efficient switching characteristics within an 80V drain-source voltage range, and its gate drive is compatible with 4.5V and 10V logic levels, allowing direct drive by various control architectures.

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Product parameter:

VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds2.5 Rds4.5 Rds10 Technology
DFN8(3X3) Single-N 80V 1.7V 51A 12.5(mΩ) 9.5(mΩ) SGT
VB Package Configuration VCE VGE VGEth(V) VCEsat15V ICE Technology
DFN8(3X3) Single-N SGT
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds18 Technology
DFN8(3X3) Single-N 80V 1.7V 51A SGT
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds6 Technology
DFN8(3X3) Single-N 80V 1.7V 51A SGT
VB Package Polarity Vz / VR Pd VF IF IR Cd Type
DFN8(3X3) Single-N
Drain-Source Voltage (VDS): 80V
Gate-Source Voltage (VGS): ±20V
Threshold Voltage (Vth): 1.7V (Typical)
On-Resistance (VGS=4.5V): 12.5 mΩ (Typical)
On-Resistance (VGS=10V): 9.5 mΩ (Typical)
Maximum Drain Current (ID): 51A
Package: DFN8(3X3)
Technology: SGT

Domain and module applications:


1. High-Power DC-DC Converters: Used for synchronous rectification or main switches, leveraging ultra-low on-resistance to significantly reduce conduction losses, suitable for Buck/Boost and high-density power modules.
2. Motor Drive Systems: Drives low-voltage brushless DC or brushed motors, suitable for loads like power tools, robots, pumps, valves, and fans, supporting high-frequency PWM speed control.
3. Battery Protection & Charge/Discharge Management: Acts as the main switch in the charge/discharge path for lithium/lead-acid batteries, working with protection ICs for fast overcurrent and overvoltage shutdown, ensuring system safety.
4. Automotive Auxiliary Power Supplies: Provides efficient regulated power for infotainment, ADAS sensors, and body control modules in 12V/24V vehicle networks.
5. Server & Communication Power Supplies: Used as power stage switches in board-level power architectures, meeting high-current, high-reliability continuous operation requirements.
6. Industrial Control & Automation: Suitable for PLC output stages, solenoid valve drivers, relay replacements, etc., improving switching life and response speed.
7. Power Tools & Garden Machinery: Drives motor loads in high-rate discharge scenarios, utilizing low on-resistance and high current capability to enhance overall output power.
* 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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