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SI2312B-13P-VB Product details
Back to previous pageProduct introduction：
SI2312B-13P-VB is a Single N-MOS deeply optimized for low-voltage power switch scenarios. The Trench process balances low switching losses with high reliability, and the SOT23-3 package strikes a balance between heat dissipation and board area. The combination of 20V withstand voltage, 6A current carrying capacity, and 28mΩ on-resistance makes it an ideal cost-reducing incremental option for replacing traditional DPAK or SOP-8 packaged devices, especially suitable for high-density, high-volume 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-N | 20V | 0.5~1.5V | 6A | 42(mΩ) | 28(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-N | 20V | 0.5~1.5V | 6A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-N | 20V | 0.5~1.5V | 6A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-N |
VDS=20V: Suitable for 5V/12V systems, providing sufficient margin for spike voltage to reduce avalanche breakdown risk.
VGS=±12V: Compatible with 1.8V~5V logic levels, can directly connect to MCU/PMIC, eliminating level-shifting circuits.
Vth=0.5~1.5V: Enables entry into the fully conductive region under low-voltage drive, especially suitable for battery voltage decay scenarios.
RDS(on)=42mΩ @ VGS=2.5V: Maintains low on-resistance even under low-voltage logic drive, suitable for direct drive in portable devices.
RDS(on)=28mΩ @ VGS=4.5V: Ultra-low on-resistance, significantly reducing full-load temperature rise, allowing for smaller heat dissipation copper area.
ID=6A: Ample continuous current margin, capable of handling peak demands of most portable and automotive auxiliary loads.
Package SOT23-3: Small size, low parasitic parameters, supports high-frequency switching, while saving PCB area and assembly costs.
VGS=±12V: Compatible with 1.8V~5V logic levels, can directly connect to MCU/PMIC, eliminating level-shifting circuits.
Vth=0.5~1.5V: Enables entry into the fully conductive region under low-voltage drive, especially suitable for battery voltage decay scenarios.
RDS(on)=42mΩ @ VGS=2.5V: Maintains low on-resistance even under low-voltage logic drive, suitable for direct drive in portable devices.
RDS(on)=28mΩ @ VGS=4.5V: Ultra-low on-resistance, significantly reducing full-load temperature rise, allowing for smaller heat dissipation copper area.
ID=6A: Ample continuous current margin, capable of handling peak demands of most portable and automotive auxiliary loads.
Package SOT23-3: Small size, low parasitic parameters, supports high-frequency switching, while saving PCB area and assembly costs.
Domain and module applications：
Decision Value Analysis
Portable Device Power Management: Low on-resistance improves boost/buck efficiency, extends battery life, small package aids ultra-thin design.
Battery Protection Modules: Fast response ensures microsecond shutdown during overcurrent/short circuit, low on-resistance reduces self-heating of the protection board.
Low-Voltage Motor Drive: Low PWM switching losses, smoother motor operation, significantly lower controller temperature rise.
Consumer Electronics Control Modules: Logic-level direct drive simplifies peripheral circuits, suitable for high-volume, low-cost products like smart sockets and USB switches.
LED Lighting Drive: Low conduction voltage drop reduces constant current source power consumption, supports multi-channel parallel connection, improves overall luminaire efficacy.
DC-DC Converters: Replaces Schottky diodes in synchronous rectification, significantly improves heavy-load efficiency, facilitates module miniaturization.
Automotive Auxiliary Power: Voltage margin and wide operating temperature range adapt to 12V automotive bus, high reliability. Selection Summary: SI2312B-13P-VB achieves a balance between performance margin, package size, and system cost. It is a cost-effective general-purpose choice for 20V low-voltage switching applications, especially suitable for projects with strict space and thermal 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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