Product introduction：
1. **ST9435GP-VB Product Introduction**
ST9435GP-VB is a unipolar P-channel MOSFET using Trench technology, packaged in TO220, designed for high-efficiency, high-power power management and switching applications. It has a drain-source voltage (VDS) of -30V and a maximum gate voltage of ±20V, suitable for most low-voltage power control and power management systems. The threshold voltage (Vth) of this MOSFET is -2.5V, and it operates at a low gate voltage with an extremely low on-resistance (RDS(ON)) - 11mΩ at a gate voltage of 4.5V and 8mΩ at a gate voltage of 10V, ensuring low power loss and high efficiency. Its maximum drain current is -70A, and it can withstand high current loads. The low on-resistance characteristics of the ST9435GP-VB make it perform well in high-power switching applications, especially battery-powered and high-efficiency power management systems.
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Product parameter：
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds2.5 |
Rds4.5 |
Rds10 |
Technology |
| TO220 |
Single-P |
-30V |
|
-2.5V |
-70A |
|
|
8mΩ |
Trench |
| VB Package |
Configuration |
VCE |
VGE |
VGEth(V) |
VCEsat15V |
ICE |
Technology |
| TO220 |
Single-P |
|
|
|
|
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds18 |
Technology |
| TO220 |
Single-P |
-30V |
|
-2.5V |
-70A |
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds6 |
Technology |
| TO220 |
Single-P |
-30V |
|
-2.5V |
-70A |
|
Trench |
| VB Package |
Polarity |
Vz / VR |
Pd |
VF |
IF |
IR |
Cd |
Type |
| TO220 |
Single-P |
|
|
|
|
|
|
|
2. **ST9435GP-VB Detailed Parameter Description**
| **Parameter Category** | **Parameter Value** | **Description** |
|----------------------|--------------------------------------|-------------------------------------------------------|
| **Package Type** | TO220 | High power package, suitable for high current and high power applications|
| **Configuration** | Unipolar P channel | For reverse current control, suitable for low voltage power management and power control|
| **Drain-Source Voltage (VDS)** | -30V | Suitable for low voltage power switching and power regulation applications|
| **Gate Voltage (VGS)** | ±20V | Wide gate voltage operating range, suitable for a variety of drive voltages|
| **Threshold Voltage (Vth)** | -2.5V | Low startup voltage to ensure reliable switching operation|
| **On-resistance (RDS(ON))** | 11mΩ @ VGS = 4.5V | At 4.5V On-resistance at gate voltage for high efficiency switching|
| **On-resistance (RDS(ON))** | 8mΩ @ VGS = 10V | On-resistance at 10V gate voltage for high power applications|
| **Drain current (ID)** | -70A | Maximum drain current of -70A for high current switching applications|
| **Technology type** | Trench | Low on-resistance and high switching performance with Trench technology|
| **Operating temperature range** | -55°C to 150°C | Wide operating temperature range for a variety of operating environments|
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Domain and module applications：
3. **Application fields and module examples**
1. **Power management system**
- **Application module**: DC-DC converter, power adapter, battery management system
- **Example**: ST9435GP-VB can provide efficient current control in power management systems, especially DC-DC converters. Its low on-resistance characteristics help reduce power loss and improve energy efficiency, and is particularly suitable for power conversion and battery charge and discharge control in battery management systems.
2. **Electric vehicles (EV) and hybrid electric vehicles (HEV)**
- **Application module**: Battery management system (BMS), electric drive system
- **Example**: In the battery management system of electric vehicles, the high current capability and low on-resistance of ST9435GP-VB are very suitable for battery charge and discharge control. Its low loss performance helps extend battery life and improves the overall energy efficiency of the electric drive system, and is suitable for efficient energy management of EV and HEV.
3. **Industrial Automation and Motor Control**
- **Application Module**: Industrial Power Supply, Motor Drive System
- **Example**: In industrial automation applications, the ST9435GP-VB can be used for motor drive and efficient power conversion. Its high current carrying capacity and low power consumption make it suitable for applications that require efficient energy conversion and motor control, especially in low-voltage power management systems.
4. **Solar Photovoltaic System**
- **Application Module**: Inverter, Battery Charge Controller
- **Example**: In solar photovoltaic systems, the ST9435GP-VB is widely used in inverters and battery charge controllers. Its low on-resistance helps reduce energy loss and improve the energy conversion efficiency of the system, and is particularly suitable for photovoltaic power generation systems that require efficient power management.
5. **High-efficiency LED driver**
- **Application module**: LED driver, battery-powered equipment
- **Example**: The low on-resistance of the ST9435GP-VB makes it an ideal choice for high-efficiency LED driver. It can reduce heat loss while maintaining high efficiency, and is particularly suitable for high-power LED lighting and battery-powered equipment.
6. **Automotive and aerospace electronics**
- **Application module**: Power regulation, vehicle power management system
- **Example**: The ST9435GP-VB is suitable for power regulation modules in automotive and aerospace systems. Its stability and high current handling capabilities are critical in these systems, especially in high-power vehicle power management, ensuring system stability and long-term efficient operation.
The low on-resistance and high current capability of the ST9435GP-VB make it suitable for a wide range of power management and power switching applications, especially in areas such as battery management, industrial control and solar energy that require high efficiency and low power consumption, providing excellent performance and stability.
* 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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