SI3402

series introduction

# SI3402 Product Series Introduction

## 1. Overview
The SI3402 product series represents a cutting - edge line of electronic components engineered to meet the diverse and demanding requirements of modern electronic systems. These components are designed with a focus on high performance, reliability, and efficiency, making them suitable for a wide range of applications across multiple industries.

## 2. Key Features

### 2.1 Electrical Performance
- **Low On - Resistance**: The SI3402 series features extremely low on - resistance values. This characteristic significantly reduces power losses during operation, which is crucial for applications where energy efficiency is a top priority. For example, in battery - powered devices, low on - resistance helps to extend battery life by minimizing the amount of power dissipated as heat.
- **High Current Handling Capability**: These components are capable of handling relatively high currents. This makes them suitable for power management applications, such as voltage regulators and DC - DC converters, where they can efficiently transfer large amounts of electrical power without overheating or experiencing significant voltage drops.

### 2.2 Switching Characteristics
- **Fast Switching Speeds**: The SI3402 series offers fast switching times, enabling rapid transitions between the on and off states. This is essential in high - frequency applications, such as switching power supplies and motor control circuits, where quick and precise switching is required to maintain stable operation and minimize electromagnetic interference (EMI).
- **Low Gate Charge**: With low gate charge values, the components in the SI3402 series require less energy to drive the gate, resulting in reduced power consumption during the switching process. This not only improves overall efficiency but also allows for the use of smaller and less expensive gate drivers.

### 2.3 Thermal Performance
- **Excellent Heat Dissipation**: The SI3402 series is designed with features that enhance heat dissipation. This includes optimized package designs and materials that can effectively transfer heat away from the component. As a result, the components can operate at higher power levels without exceeding their maximum temperature ratings, ensuring long - term reliability and performance.

### 2.4 ESD Protection
- **Built - in ESD Protection**: Electrostatic discharge (ESD) can cause significant damage to electronic components. The SI3402 series is equipped with built - in ESD protection circuits, which can withstand high - voltage ESD events. This provides an additional layer of protection for the components, especially in environments where ESD is a common concern, such as in manufacturing facilities and consumer electronics.

## 3. Package Options
The SI3402 product series is available in a variety of package options to suit different application requirements.
- **Surface - Mount Packages**: These packages are ideal for printed circuit board (PCB) assembly using automated pick - and - place machines. They offer a compact footprint, which is beneficial for space - constrained applications, such as mobile devices and wearable electronics.
- **Through - Hole Packages**: Through - hole packages provide a more robust mechanical connection to the PCB, making them suitable for applications that require high mechanical stability, such as industrial control systems and power supplies.

## 4. Applications

### 4.1 Consumer Electronics
- **Smartphones and Tablets**: In mobile devices, the SI3402 series can be used in power management circuits to regulate the voltage supplied to various components, such as the processor, display, and battery charger. Their low power consumption and small form factor make them well - suited for these space - and energy - sensitive applications.
- **Laptops and Ultrabooks**: For laptops, the components can be employed in DC - DC converters to convert the battery voltage to the appropriate levels for different subsystems. Their high current handling capability ensures stable power delivery, even during peak usage.

### 4.2 Industrial Automation
- **Motor

Images for reference

20-VQFN-B1

SI3402-EVB

SI3402ISO-EVB

Datasheets

• SI3402
• Si3402-EVB
• Si3402ISO-EVB

Partlist