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ChipSourceTek-LTK54101 is a Class D audio power amplifier designed for single, double and triple Li-ion batteries
Date:May 12, 2025    Views:42

   The ChipSourceTek-LTK54101 is a Class D audio power amplifier designed for single, double and triple Li-ion batteries that combines high power output with the benefits of configurable boost, stereo playback, high efficiency and a filter-free design. The launch of this chip undoubtedly provides a powerful audio amplification solution for Bluetooth speakers, smart speakers, amplifiers and all kinds of consumer audio products.

    In terms of power output, the ChipSourceTek-LTK54101 shows exceptional performance. When powered by a single lithium-ion battery, the chip is capable of a stable output of 2×11W at a 4 ohm load (THD+N is 10%). If replaced by a two-section lithium power supply, its output power jumps to 2×26W (also at 4 ohm load and 10% THD+N). In the extreme case of three lithium batteries, the ChipSourceTek-LTK54101 is still able to maintain a strong output of up to 2×35W. This output power range is sufficient to meet the volume needs of most portable audio devices.

   In addition to the power output, the ChipSourceTek-LTK54101 also performs well in audio quality. It adopts no filter design, which effectively reduces the distortion of audio signal in the transmission process, making the sound quality more pure. At the same time, the chip also provides three different gain mode control, users can choose the appropriate gain Settings according to the actual needs, in order to achieve the best volume and sound quality effects. This flexible control makes the ChipSourceTek-LTK54101 more comfortable in different application scenarios.

   In terms of power management, the ChipSourceTek-LTK54101 also shows its excellent performance. It supports a wide input voltage range from 2.8V to 13V and is capable of integrating a 12A high-current asynchronous inductor boost circuit. This means that the ChipSourceTek-LTK54101 can easily cope, regardless of the specification of lithium-ion battery power, to ensure stable amplification of audio signals. In addition, the chip also has the input current limiting function, which can be adjusted according to the actual power battery and output power requirements to achieve more accurate power management.

    The ChipSourceTek-LTK54101 also incorporates several innovative technologies to reduce electromagnetic interference (EMI). Among them, the optional spread spectrum function is particularly eye-catching. By enabling this feature, the ChipSourceTek-LTK54101 can effectively reduce the impact of switching frequencies on EMI, thus ensuring the stability and clarity of audio signals during transmission. This design undoubtedly provides a strong guarantee for the electromagnetic compatibility of the equipment.

   In terms of security, the ChipSourceTek-LTK54101 is also not to be underestimated. It has a built-in overheat protection function, which automatically turns off the output when the chip temperature is too high to prevent damage caused by overheating. In addition, the chip also uses an environmentally friendly package that meets ROHS requirements - ESSOP-24 package form. This package is not only small and easy to install, but also meets international environmental standards, providing strong support for the green production and use of equipment.

    In terms of application, ChipSourceTek-LTK54101 is widely used in various Bluetooth speakers, smart speakers, amplifiers and speaker devices with its excellent performance and flexible control mode. At the same time, it has also become one of the preferred chips for audio amplification in many consumer audio products. The ChipSourceTek-LTK54101 provides an audio experience for music lovers seeking high fidelity sound quality or outdoor adventurers who value portability and endurance.

   In order to facilitate developers to better understand and apply ChipSourceTek-LTK54101, the manufacturer also provides detailed typical application schematic, pin description, and packaging information. This information not only covers the basic function and connection mode of the chip, but also provides a reference design for a variety of application scenarios. Developers can choose the right circuit and components according to the actual needs to build, in order to achieve more efficient and stable audio amplification effect.

    In summary, ChipSourceTek-LTK54101 as a high-performance Class D audio power amplifier chip, with its high-power output, high-quality sound quality, wide input voltage range, innovative technology and excellent security features, show a strong competitiveness in the field of portable audio equipment. With the continuous popularization and upgrading of smart audio devices, ChipSourceTek-LTK54101 is expected to become one of the preferred solutions for audio amplification of more audio products.






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