Product introduction：
1. CEM9939-VB Product Introduction
CEM9939-VB is a high-performance dual-channel N+P channel MOSFET in SOP8 package. This MOSFET adopts Trench technology to provide efficient power management and switch control capabilities. It integrates two N-channel and two P-channel MOSFETs, capable of supporting a maximum drain-source voltage of ±30V, suitable for medium voltage applications. The threshold voltage of the N-channel MOSFET is 1.6V, and the threshold voltage of the P-channel MOSFET is -1.7V, enabling it to turn on at a lower gate voltage. The on-resistance of CEM9939-VB is 24mΩ (N-channel) and 50mΩ (P-channel) at a gate voltage of 4.5V, and 18mΩ (N-channel) and 40mΩ (P-channel) at a gate voltage of 10V, which provides lower conduction losses. The maximum drain current is ±8A, suitable for handling medium current loads. The CEM9939-VB's efficient switching capability and low on-resistance make it an excellent choice for applications requiring bidirectional control.
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Product parameter：
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds2.5 |
Rds4.5 |
Rds10 |
Technology |
| SOP8 |
Dual-N+P |
±30V |
|
1.6/-1.7V |
±8A |
|
|
18/40mΩ |
Trench |
| VB Package |
Configuration |
VCE |
VGE |
VGEth(V) |
VCEsat15V |
ICE |
Technology |
| SOP8 |
Dual-N+P |
|
|
|
|
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds18 |
Technology |
| SOP8 |
Dual-N+P |
±30V |
|
1.6/-1.7V |
±8A |
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds6 |
Technology |
| SOP8 |
Dual-N+P |
±30V |
|
1.6/-1.7V |
±8A |
|
Trench |
| VB Package |
Polarity |
Vz / VR |
Pd |
VF |
IF |
IR |
Cd |
Type |
| SOP8 |
Dual-N+P |
|
|
|
|
|
|
|
II. Detailed parameter description of CEM9939-VB
| Parameter | Value | Description |
| --- | --- | --- |
| Package | SOP8 | Standard small outline package for compact design |
| Configuration | Dual-N+P-Channel | Dual-channel N-channel + P-channel MOSFET |
| Drain-source voltage (VDS) | ±30V | Maximum drain-source voltage |
| Gate-source voltage (VGS) | 20 (±V) | Maximum gate-source voltage |
| N-channel threshold voltage (Vth) | 1.6V | Threshold voltage of N-channel MOSFET |
| P-channel threshold voltage (Vth) | -1.7V | Threshold voltage of P-channel MOSFET |
| On-resistance (RDS(ON)) | 24mΩ@VGS=4.5V (N), 50mΩ@VGS=4.5V (P), 18mΩ@VGS=10V (N), 40mΩ@VGS=10V (P) | On-resistance at different gate voltages|
| Drain current (ID) | ±8A | Maximum continuous drain current|
| Technology | Trench | Advanced trench technology to reduce on-resistance and switching losses|
Domain and module applications：
3. Application fields and modules of CEM9939-VB
The dual-channel N+P channel configuration and excellent electrical performance of CEM9939-VB make it suitable for various power management and switch control applications. The following are some typical application fields and modules:
1. **Bidirectional switch control**
- **Application**: H-bridge motor drive, battery power switch.
- **Description**: The dual N+P channel configuration of CEM9939-VB makes it suitable for bidirectional switch control circuits. In the H-bridge motor drive circuit, it can control the forward and reverse rotation of the motor. In the battery power switch, it can realize bidirectional current switching, providing greater design flexibility and reliability.
2. **Power management**
- **Application**: DC-DC converter, AC-DC adapter, power switch.
- **Description**: In the power management system, CEM9939-VB can be used as a switching element to provide efficient power conversion and management. Its low on-resistance and high current carrying capacity increase the power conversion efficiency and improve the overall performance of the system.
3. **Load switch**
- **Application**: Electronic equipment power switch, load switching.
- **Description**: The efficient switching capability and low on-resistance of CEM9939-VB make it excellent in load switch applications. It can be used as a power switch for various electronic devices to achieve efficient load switching and current control, and is suitable for a variety of electronic application scenarios.
4. **Motor drive**
- **Application**: Power tools, electric toys, household appliance motor drive.
- **Description**: In the motor drive circuit, CEM9939-VB can provide efficient motor control functions. Its dual-channel configuration makes it excellent in forward and reverse control and speed regulation, and is suitable for various power tools and household appliance motor drive applications.
5. **Protection circuit**
- **Application**: Overvoltage protection, overcurrent protection, overtemperature protection.
- **Description**: CEM9939-VB can be used as a switch element in a protection circuit to prevent the circuit from being damaged by overcurrent or overvoltage. Its dual-channel configuration improves the protection function of the circuit and enhances the reliability of the system.
With its dual N+P channel configuration and excellent electrical performance, CEM9939-VB provides an efficient solution for various power management and switch control applications.
* 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：
* If you have any questions about the product, please fill out the form to submit, we will reply you within 24 hours
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