VIPER37HD

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PMIC (Power Management Integrated Circuit) is a single chip IC solution for controlling, regulating, and monitoring power consumption. ICs under this category are used in various areas from communication, automotive, industrial, and healthcare to entertainment and consumer electronics. PMICs are essential components in any system, as they are in charge of converting AC or DC power to DC, controlling the voltage, managing heat, and monitoring the current, among other functions. For these reasons, and many more, PMICs are an incredibly useful and widely utilized tool. One such PMIC is the VIPER37HD which is an AC/DC converter and offline switcher.

VIPER37HD Application Fields

The VIPER37HD is a high-performance PMIC designed to provide prominent adaptability, safety, and flexibility to automotive, telecom, and industrial applications. Specifically, this PMIC can be used in applications such as:

• Charging for automotive and stationary systems
• Universal input voltage systems, typically in telecom and industrial applications
• Battery management support
• USB fast-charge solutions
• Resonant half-bridge topology for isolated current sensing and enhanced system reliability

The VIPER37HD is a great choice for applications that require a high level of reliability, controllability, and efficiency. Furthermore, the PMIC has been designed to support a wide range of applications, making it a great choice for overarching solutions that require a customizable package.

VIPER37HD Working Principle

To understand the working principle of the VIPER37HD, let us look into its features and specs. This PMIC utilizes an AC/DC fly-back conversion system. This means it takes in an AC voltage, converts it to DC power, regulates the voltage, and then outputs it. The PMIC can switch between an AC or DC input voltage, with the AC voltage ranging from a minimum 100V to a maximum 300V and the DC voltage ranging from 4 to 40V.

The output regulation of the VIPER37HD is also noteworthy. It has a synchronized frequency of 285 kHz and a wide selection of outputs from 6 to 40V, with a peak output of 5A. These output regulations can be adjusted using auto-restart, which is triggered when the unit identifies a fault, typically due to an overload. This will allow the PMIC to immediately return to its normal state and resume operations.

Another salient feature of the VIPER37HD is its soft-start technology. This technology provides a smooth and safe start-up of the PMIC by ramping up the output voltage slowly, allowing the connected load to adjust to the input voltage accordingly. The PMIC also incorporates an over-temperature protection feature which will shut down the unit when it detects higher temperature than regulation, helping to protect the unit from any damage caused by an over-heating.

Additionally, the VIPER37HD has a host of other features to it such as current-mode PFC control and OVP (Over Voltage Protection) for safe and reliable operations. All of these features make the VIPER37HD a reliable AC/DC converter and offline switcher.

In conclusion, the VIPER37HD is a reliable and robust PMIC offering powerful and effective AC/DC conversion and offline switching. The unit is created with an adaptable range of applications in mind, offering high-performance regulation, safety, and flexibility. With its wide array of features, soft-start technology, and over-temperature protection as a few examples, it makes the perfect choice for any application requiring reliable and consistent AC/DC conversion.

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