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SI9435DY-T1-VB Product details

Product introduction:

Product Introduction - SI9435DY-T1-VB

**SI9435DY-T1-VB** is a single P-type MOSFET using Trench technology and packaged in SOP8. It has a maximum drain-source voltage (VDS) of -30V and a maximum drain current (ID) of -5.8A, suitable for high-efficiency power conversion and load control. The device's on-resistance (RDS(ON)) is 56mΩ at VGS = 4.5V and 33mΩ at VGS = 10V, ensuring lower power loss during high current operation. Its low threshold voltage (-1.7V) makes it very suitable for low-voltage drive applications such as battery-driven systems, power adapters and other load control applications.

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Product parameter:

VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds2.5 Rds4.5 Rds10 Technology
SOP8 Single-P -30V -1.7V -5.8A 33mΩ Trench
VB Package Configuration VCE VGE VGEth(V) VCEsat15V ICE Technology
SOP8 Single-P Trench
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds18 Technology
SOP8 Single-P -30V -1.7V -5.8A Trench
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds6 Technology
SOP8 Single-P -30V -1.7V -5.8A Trench
VB Package Polarity Vz / VR Pd VF IF IR Cd Type
SOP8 Single-P
Detailed parameter description

- **Package type**: SOP8
- **Configuration**: Single P-type MOSFET
- **Drain-source voltage (VDS)**: -30V
- **Gate-source voltage (VGS)**: 20V (±V)
- **Threshold voltage (Vth)**: -1.7V
- **On-resistance (RDS(ON))**:
- 56mΩ @ VGS = 4.5V
- 33mΩ @ VGS = 10V
- **Maximum drain current (ID)**: -5.8A
- **Technology**: Trench

Domain and module applications:

Application fields and module examples

1. **Battery Management System (BMS)**
SI9435DY-T1-VB is an ideal choice for battery management systems, especially in battery charge and discharge protection and current control circuits. Due to its low on-resistance characteristics, it can reduce power loss during charging and discharging and improve the efficiency of battery management systems. Its low threshold voltage is suitable for low-voltage battery management system applications, which can effectively control the charging and discharging process of the battery and ensure that the battery is protected from overcharge or over-discharge damage.

2. **DC-DC Converter**
In DC-DC converters, SI9435DY-T1-VB can be used to achieve efficient power conversion. Especially in situations where efficient switching and low on-resistance are required, this MOSFET can reduce power loss under high current loads, thereby improving the efficiency of the entire converter. For example, in a buck or boost converter, it can effectively manage and control power flow, reduce heat generation, and optimize the power conversion process.

3. **Power Adapter and Charger**
In power adapter and charger applications, SI9435DY-T1-VB provides excellent power control and efficient switching performance. The low RDS(ON) value minimizes power loss at high current, thereby improving charging efficiency, and is particularly suitable for devices such as mobile power supplies and AC/DC power adapters. This MOSFET can be used for battery charging management, improve the working efficiency of the adapter, and reduce device heating and extend the service life of the device.

4. **LED Driver**
In LED driver power, SI9435DY-T1-VB can be used as an efficient current switch, suitable for providing a stable and efficient current source to drive LEDs. Due to its low on-resistance and high current carrying capacity, it can improve the overall efficiency of the LED driver power supply, ensure the stability and life of the LED during operation, and is particularly suitable for high-power LED applications.

5. **Automotive Power Management**
SI9435DY-T1-VB can be used in automotive power management systems, especially in battery protection and load switching circuits. The MOSFET has low RDS(ON) characteristics, which can control large currents and reduce power losses in automotive power systems. In electric and hybrid vehicles, it can effectively manage the battery charging and discharging process, provide efficient energy conversion, and ensure the stability and safety of the battery system.

6. **Power Tools and Home Appliances**
In power tools and home appliances, SI9435DY-T1-VB can be used in power management, load control, and power conversion modules. Its low on-resistance and high current handling capability enable it to provide a stable current supply and reduce energy losses in the power circuit of power tools. In addition, in various home appliances such as vacuum cleaners, fans, and washing machines, SI9435DY-T1-VB can improve power efficiency and optimize equipment operation.

7. **Brushless Motor Drive**
Efficient current control is required in brushless motor drive systems to ensure smooth operation of the motor, especially in high-power applications. SI9435DY-T1-VB can effectively control the motor current and improve drive efficiency through low on-resistance and lower power loss. The power supply and control circuits in the brushless motor drive system can use this MOSFET to optimize performance and improve overall drive efficiency and reliability.

* 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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