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SQ4961EY-VB Product details
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The VBsemi SQ4961EY-VB is a dual P-channel field-effect transistor manufactured using Trench technology, designed for applications such as medium and low voltage negative power rail switching, load switching, and analog switching. Its SOP8 package achieves a good balance between thermal performance and board-level integration, making it suitable for high-density power management and control circuits. The device supports a -60V drain-source voltage, its gate drive is compatible with common 4.5V/10V logic levels, and the dual-channel symmetrical structure facilitates independent or parallel control of two channels, simplifying system design.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOP8 | Dual-P+P | -60V | -1.9V | -4A | 145(mΩ) | 120(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOP8 | Dual-P+P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOP8 | Dual-P+P | -60V | -1.9V | -4A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOP8 | Dual-P+P | -60V | -1.9V | -4A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOP8 | Dual-P+P | MOS |
Drain-Source Voltage (VDS): -60V
Gate-Source Voltage (VGS): ±20V
Threshold Voltage (Vth) Typical: -1.9V
On-Resistance (VGS=4.5V): 145 mΩ (typical)
On-Resistance (VGS=10V): 120 mΩ (typical)
Maximum Drain Current (ID): -4A
Package Type: SOP8
Configuration: Dual-P+P
Process Technology: Trench
Domain and module applications：
1. Negative Voltage Power Management: Used for switching control in -48V telecom power supplies and negative voltage rail regulator modules, achieving low-loss on/off and load isolation.
2. Battery Protection Circuits: Acts as the main switch for the charge/discharge path in dual-cell or multi-cell lithium battery packs, working with a protection IC for fast overcurrent and overvoltage shutdown, ensuring cell safety.
3. Load Switches: Suitable for board-level power domain management, using dual P-channel to independently control power supply to multiple loads, supporting high-side and low-side switching applications.
4. Reverse Polarity Protection: Used in reverse connection protection circuits, leveraging the low on-resistance of the P-channel to reduce voltage drop and improve system reliability.
5. DC-DC Converter Auxiliary Switches: Used for synchronous rectification or power path management in Buck/Boost topologies, adapting to negative voltage or reverse polarity topologies.
6. Motor and Actuator Drives: Drives small DC brushed motors, relay coils, or solenoid valves, supporting PWM speed control and low-side/high-side switching.
7. Industrial Control Modules: Used for power switches in PLCs, sensor interfaces, or signal isolation circuits, meeting -60V withstand voltage and dual-channel redundancy design 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
Technical support：
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