Boost Your Power Performance: Meet theET84501 Synchronous Boost Converter

Whether you are designing the next generation of portable gadgets or high-drain handheld devices, you need a power solution that is both small and incredibly efficient. This is where the ET84501 synchronous boost converter enters the spotlight as a game-changer for your power management designs.

What is a Synchronous Boost Converter?

A synchronous boost converter is a type of power supply that steps up a lower input voltage to a higher output voltage. Unlike traditional converters, a synchronous boost converter uses internal power switches to reduce energy loss, making it much more efficient. The ET84501 is a fully integrated synchronous boost converter, meaning it packs all the high-tech components you need into one tiny package to save space on your circuit board.

Top-Tier Efficiency and Power Range

When you choose the ET84501 synchronous boost converter, you are choosing versatility. It handles a wide input voltage range from 2.7V to 12V. This makes it perfect for devices running on single or multi-cell Li-ion or Li-polymer batteries. On the output side, this synchronous boost converter can deliver up to 12.4V, providing the steady power your high-performance components demand.

Efficiency is where the ET84501 truly shines. It features a 19mΩ power switch and a 23mΩ rectifier switch. By minimizing resistance, this synchronous boost converter reaches peak efficiency levels as high as 90% (measured at 3.3V input, 9V output and 2A output current). Higher efficiency means your devices stay cool and your batteries last much longer.

Smart Control for Every Load

The ET84501 synchronous boost converter uses an Adaptive Constant Off-Time (ACOT) control method. This helps the device respond quickly to changes in power demand. To save even more energy, it switches between two modes:

• PFM Mode: Enhances efficiency during light-load conditions. Remains above 70% even at 1mA load.

• PWM Mode: Provides stable power during medium to heavy loads.

You can even program the switching frequency between 200kHz and 2.2MHz using an external resistor, giving you full control over the electromagnetic performance of your design.

Built-In Safety and Reliability

Safety is not an afterthought with this synchronous boost converter. ETEK has packed the ET84501 with professional-grade protection features to keep your system safe:

• Over-Voltage Protection: A 13V internal limit prevents damage from voltage spikes.

• Over-Current Protection: Cycle-by-cycle monitoring ensures the current stays within safe limits.

• Thermal Shutdown: Protects the chip from overheating during extreme use.

• Soft Start: An internal 3ms soft start prevents excessive inrush current during power-up.

Furthermore, you can program the peak current limit up to 11.5A, ensuring the synchronous boost converter is perfectly tuned to your specific hardware requirements.

Compact Design for Modern Devices

Space is a luxury in portable electronics. The ET84501 synchronous boost converter comes in a tiny UQFN11 package, measuring just 2.0mm x 2.5mm. Despite its small size, the pin layout is designed for easy integration. With dedicated pins for Feedback (FB), Enable (EN), and Current Limit (ILIM), your engineers can implement a complete, high-power synchronous boost converter solution with very few external parts.

Conclusion: The Professional Choice

For engineers seeking for a reliable, high-efficiency synchronous boost converter, the ET84501 by ETEK is the ideal solution. It combines high power density, advanced safety features, and flexible programming into a miniature footprint that fits the most demanding applications.

Ready to Power Your Next Project?

Experience the precision and efficiency of ETEK’s power solutions. Contact us today to learn more about the ET84501 synchronous boost converter or to request samples for your next design.

Visit etekmicro.com or contact our sales team to get started!

Email: marketing@etekmicro.com

Request samples: https://www.etekmicro.com/sample/