h5216 290

H5216 290: The in-depth Guide

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h5216 290


Welcome to the comprehensive guide to H5216 290, the innovative and versatile electronic component that empowers a wide range of industrial and consumer applications. In this in-depth exploration, we will delve into the technical specifications, applications, benefits, and limitations of H5216 290. Whether you’re an engineer designing a new product or an enthusiast seeking knowledge, this guide will provide you with a thorough understanding of this remarkable component.

Technical Specifications

The H5216 290 is a surface-mounted, 24-pin, high-frequency switching regulator controller available in a compact SOP-28 package. It features:

  • Step-down (buck), step-up (boost), and step-up/step-down (buck-boost) converter topologies
  • Wide input voltage range of 4.5V to 38V
  • Adjustable switching frequency from 100kHz to 1MHz
  • Supports both synchronous and non-synchronous rectification
  • Integrated over-current and over-temperature protection
  • Power good output


The H5216 290 finds applications in various industries and consumer products, including:

  • Power conversion in industrial and automotive systems
  • Battery charging and management
  • LED lighting drivers
  • Solar energy systems
  • Wireless power transfer


The H5216 290 offers several advantages over competing solutions, such as:

  • High efficiency and low standby power consumption
  • Highly flexible and configurable operation
  • Compact and low-profile package
  • Comprehensive protection features for enhanced reliability


It’s important to consider the limitations of the H5216 290:

  • Relatively low output current capacity (up to 3A)
  • Maximum switching frequency of 1MHz
  • Requires external inductors and capacitors

Applications in Detail

Power Conversion

The H5216 290 is widely used as a step-down (buck) converter for voltage regulation in industrial and automotive systems. Its ability to generate a stable and precise output voltage from a fluctuating input voltage is crucial in these applications.

Battery Charging

In battery charging applications, the H5216 290 functions as a step-up (boost) converter to increase the voltage supplied by the battery to a level suitable for charging. Its adjustable switching frequency allows for optimization of charging efficiency.

LED Lighting Drivers

The H5216 290 is a common choice for driving LEDs in various lighting applications. Its ability to provide constant current output ensures uniform illumination and extended LED lifespan.

Solar Energy Systems

In solar energy systems, the H5216 290 acts as a step-up/step-down (buck-boost) converter to regulate the voltage supplied by solar panels to a level suitable for battery storage or grid connection.

Wireless Power Transfer

The H5216 290’s ability to operate in a resonant mode makes it suitable for wireless power transfer applications. Its high efficiency and low standby power consumption are critical in these systems for maximizing power transfer distance and minimizing energy loss.

Design Considerations

When using the H5216 290, several design considerations must be taken into account:

  • Component selection: Careful selection of external inductors and capacitors is crucial for optimizing efficiency and performance.
  • Layout and routing: Proper layout and routing are essential for minimizing noise and maintaining stability.
  • Thermal management: Adequate thermal management is necessary to prevent overheating and ensure long-term reliability.


The H5216 290 is a versatile and reliable electronic component that empowers a wide range of applications across industries. Its combination of high efficiency, flexibility, and protection features makes it an ideal choice for power conversion, battery charging, LED lighting, solar energy systems, and wireless power transfer. By understanding the technical specifications, applications, benefits, limitations, and design considerations discussed in this guide, engineers and enthusiasts can harness the full potential of H5216 290 and unlock innovative and efficient solutions in their respective fields.

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