SG6858

series introduction

# SG6858 Product Series Introduction

## 1. Overview
The SG6858 product series represents a cutting - edge line of integrated circuits designed to meet the diverse and demanding requirements of modern electronic applications. With a focus on high performance, reliability, and energy efficiency, these chips have become a popular choice among engineers and designers in various industries.

## 2. Key Features

### 2.1 High - Efficiency Power Conversion
- The SG6858 series is equipped with advanced power conversion technology. It can achieve high - efficiency AC - DC or DC - DC conversion, which is crucial for reducing power losses and improving overall system efficiency. For example, in power adapter applications, it can convert the input voltage from the mains supply to a stable output voltage with minimal energy waste, resulting in lower electricity bills and less heat generation.
- The built - in power factor correction (PFC) function helps to improve the power factor of the system, making it more compliant with energy - saving standards. This is especially important in large - scale power systems where a high power factor can reduce the burden on the power grid.

### 2.2 Wide Input Voltage Range
- These chips can operate over a wide input voltage range, which provides great flexibility in different power supply environments. Whether it is a low - voltage DC source or a high - voltage AC input, the SG6858 series can adapt and provide a stable output. For instance, in automotive electronics, where the battery voltage can vary depending on the vehicle's operating conditions, the wide input voltage range ensures reliable operation of the on - board electronics.

### 2.3 Multiple Protection Mechanisms
- Over - voltage protection (OVP) is integrated into the SG6858 series. In case the output voltage exceeds a predefined safe level, the chip will automatically shut down or adjust the output to prevent damage to the connected devices.
- Over - current protection (OCP) safeguards the circuit from excessive current flow. If the current through the chip exceeds a certain threshold, the protection mechanism will activate to avoid overheating and component failure.
- Thermal protection is also included. When the chip temperature rises to a critical level, it will reduce its power consumption or shut down to prevent thermal damage, ensuring long - term reliability.

### 2.4 Low Standby Power Consumption
- In today's energy - conscious world, low standby power consumption is a highly desirable feature. The SG6858 series is designed to consume very little power when in standby mode. This is beneficial for applications such as home appliances and consumer electronics, where devices may be in standby for long periods of time. By reducing standby power, it helps to save energy and meet strict energy - efficiency regulations.

### 2.5 Compact Package Design
- The chips in the SG6858 series come in compact packages, which are suitable for space - constrained applications. The small form factor allows for easy integration into printed circuit boards (PCBs), enabling designers to create more compact and lightweight electronic products.

## 3. Applications

### 3.1 Consumer Electronics
- In mobile phone chargers, the SG6858 series can provide a stable and efficient power supply. Its high - efficiency power conversion ensures fast charging while minimizing heat generation, which is important for the safety and longevity of the mobile device's battery.
- For smart home devices such as smart speakers and smart plugs, the low standby power consumption and multiple protection mechanisms make the SG6858 series an ideal choice. These devices need to be powered continuously, and the reliable performance of the chip ensures their stable operation.

### 3.2 Industrial Equipment
- In industrial power supplies, the wide input voltage range and high - efficiency power conversion of the SG6858 series are highly valued. Industrial environments often have unstable power sources, and the chip

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Datasheets

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Partlist