HV310LG-G Integrated Circuits (ICs)

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The HV310LG-G is a power management integrated circuit (PMIC) designed as a Hot Swap controller. It is mainly used in portable applications such as USB chargers, AC adapters, and USB hubs. The HV310LG-G’s main purpose is to protect the system and device from over-current and over-voltage and helps to manage the system efficiency.

Working Principle

The HV310LG-G Hot Swap Controller has three main components. The first one is a high-side MOSFET which acts as the main switch for controlling the current through the system. The second one is a low-side MOSFET which is activated during the power-up phase to provide a smooth power-on transition. The third one is a sense resistor which is used to detect the current flowing through the system.

The HV310LG-G Hot Swap Controller includes a variety of features for improved system performance and protection. It has a fast current slew rate of 3Ω which helps to reduce inrush current. It also has OTP (over temperature protection), which prevents over-voltage, over-current, over-temperature and fault conditions. Additionally, it has an adjustable over-voltage protection (OVP) level and a low-voltage protection (LVP) level. The LVP level can also be adjusted by the user.

The HV310LG-G also supports adaptive power limiting (APL), enabling the device to automatically adjust the current levels based on the system current, which helps to improve system efficiency, reduce power dissipation and improve system reliability. It also supports active current sharing, which allows multiple HV310LG-G Hot Swap Controllers to share the current load and prevent overloading of any one device.

Applications

The HV310LG-G Hot Swap Controller is ideal for applications requiring protection from over-voltage, over-current and over-temperature. It can be used in a wide range of applications including USB charging, AC adapters, USB hubs, data lines, battery-powered devices and more. It is commonly used in portable devices such as mobile phones, tablets and MP3 players for safe operation.

The HV310LG-G can also be used in industrial and automotive applications. It is suitable for use in automotive battery-management systems, battery packs, uninterruptible power supplies, solar panel systems and industrial control systems. In these applications, it can help protect the system from over-voltage and over-current events and improve system efficiency by automatically adjusting the current levels.

Summary

The HV310LG-G Hot Swap Controller is a power management integrated circuit designed as a Hot Swap controller. It is mainly used in portable applications such as USB chargers, AC adapters, and USB hubs. The HV310LG-G can also be used in industrial and automotive applications. It has a fast current slew rate, OTP (over temperature protection), adjustable over-voltage protection (OVP) level and a low-voltage protection (LVP) level, and supports APL (adaptive power limiting) and active current sharing. It is ideal for applications requiring protection from over-voltage, over-current and over-temperature events and helps improve system efficiency, reduce power dissipation and improve system reliability.

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