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BSS84AK-TP-VB Product details
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BSS84AK-TP-VB is a Single P-MOSFET deeply optimized for low-power load switching and signal control scenarios. The Trench process balances low leakage current and high reliability, with the SOT23-3 package balancing heat dissipation and footprint. The combination of 60V withstand voltage, 0.5A current capability, and 2Ω on-resistance makes it an ideal small-signal switching option to replace traditional SOT-23 packaged devices, especially suitable for high-density, portable applications.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P | -60V | -1.7V | -0.5A | 3000(mΩ) | 2000(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P | -60V | -1.7V | -0.5A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P | -60V | -1.7V | -0.5A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P |
(Key Selection Points)
VDS=-60V: Suitable for 12V/24V/48V systems, providing ample negative voltage spike margin to reduce avalanche breakdown risk.
VGS=±20V: Compatible with 3.3V~12V logic levels, can be directly connected to MCU/PMIC, eliminating level shift circuits.
Vth=-1.7V (typical): Reliable turn-on even at low drive voltages, suitable for battery voltage fluctuation scenarios.
RDS(on)=2Ω @ VGS=10V; 3Ω @ VGS=4.5V: Low microamp-level quiescent current, ideal for small-signal switching and level shifting, reducing self-power consumption.
ID=-0.5A: Continuous current capability meets the needs of most signal loads, low-power peripherals, and auxiliary circuits.
Package SOT23-3: Small size, low parasitic parameters, supports high-frequency switching, saves PCB area and assembly cost.
VDS=-60V: Suitable for 12V/24V/48V systems, providing ample negative voltage spike margin to reduce avalanche breakdown risk.
VGS=±20V: Compatible with 3.3V~12V logic levels, can be directly connected to MCU/PMIC, eliminating level shift circuits.
Vth=-1.7V (typical): Reliable turn-on even at low drive voltages, suitable for battery voltage fluctuation scenarios.
RDS(on)=2Ω @ VGS=10V; 3Ω @ VGS=4.5V: Low microamp-level quiescent current, ideal for small-signal switching and level shifting, reducing self-power consumption.
ID=-0.5A: Continuous current capability meets the needs of most signal loads, low-power peripherals, and auxiliary circuits.
Package SOT23-3: Small size, low parasitic parameters, supports high-frequency switching, saves PCB area and assembly cost.
Domain and module applications：
Decision Value Analysis
Portable Device Power Management: Low leakage current extends standby battery life, small package aids ultra-thin design.
Battery Protection Module: Precise threshold voltage ensures reliable over-discharge/overcurrent detection, low quiescent power reduces protection board self-consumption.
Small Signal Load Switch: Negative logic level direct drive simplifies peripherals, suitable for low-power scenarios like smart wearables and sensor power supply.
Level Shifting Circuit: P-MOS characteristics adapt to high-side switching, used for bus level matching like I2C, UART.
Consumer Electronics Control Module: Microampere-level leakage current reduces standby losses, suitable for battery-powered devices like remote controls and smart locks.
DC-DC Auxiliary Power Supply: Used as a startup circuit or linear voltage regulator pass transistor, voltage margin accommodates wide input range.
Automotive Auxiliary Control: 60V withstand voltage compatible with 12V/24V vehicle buses, wide operating temperature range ensures reliability. Selection Summary: BSS84AK-TP-VB achieves an excellent balance between low power consumption, voltage margin, and package size. It is a cost-effective, general-purpose choice for 60V low-voltage small-signal switching applications, especially suitable for battery-powered projects with strict power and space requirements.
* 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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