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SQ3985EV-T1_BE3-VB Product details
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VBsemi SQ3985EV-T1_BE3-VB is a dual P-channel field-effect transistor (Dual P+P) manufactured using Trench technology, specifically designed for medium and low voltage load switching and power management scenarios. Its SOT23-6 small package integrates dual channels within a limited board area, suitable for high-density PCB layout and synchronous control applications. The device supports -20V drain-source voltage, gate drive is compatible with common 3.3V/5V logic levels, with a typical threshold voltage of -0.6V, facilitating direct drive in low-voltage systems for simple and reliable on/off control.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | -20V | -0.6V | -4A | 100(mΩ) | 75(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | -20V | -0.6V | -4A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | -20V | -0.6V | -4A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | MOS |
- Configuration: Dual P+P Channel
- Drain-Source Voltage (VDS): -20V
- Gate-Source Voltage (VGS): ±12V
- Threshold Voltage (Vth): -0.6V (typical)
- On-Resistance (VGS=2.5V): 100mΩ (typical)
- On-Resistance (VGS=4.5V): 75mΩ (typical)
- Maximum Drain Current (ID): -4A
- Package Type: SOT23-6
- Process Technology: Trench
Domain and module applications：
1. Load Switches: Used for power domain on/off control in portable devices and motherboard peripherals. Dual channels facilitate positive/negative dual paths or redundant switching, reducing static power consumption.
2. Battery Protection Systems: Acts as a low-side or high-side switch in charge/discharge circuits, working with protection ICs for fast overcurrent and overvoltage shutdown, ensuring cell safety.
3. DC-DC Converters: Suitable for synchronous rectification or auxiliary switches in Buck/Boost topologies, leveraging low conduction loss to improve conversion efficiency, suitable for miniaturized power modules.
4. Low-Voltage Motor Drives: Drives small DC brushed motors or stepper motors for fans, pumps, toy actuators, supporting PWM speed control.
5. Consumer Electronics Power Management: Integrated into smart locks, USB power switching, peripheral detection circuits for load connection identification and power distribution.
6. Signal Level Shifting: Used for bidirectional level matching on low-voltage buses like I2C, UART, ensuring signal integrity with low on-resistance.
7. Automotive Auxiliary Circuits: Provides voltage regulation or on/off control for auxiliary loads like sensors and infotainment in 12V automotive networks, adapting to a wide temperature range.
* 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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