MAX17498BATE+T Integrated Circuits (ICs)

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Introduction to the MAX17498BATE+T.

The MAX17498BATE+T is a high-efficiency and high-performance integrated power management integrated circuit (PMIC) specifically designed to address the needs of providing reliable power to today’s demanding electronic devices. The PMIC includes an AC/DC converter, an offline switcher, a temperature-sense circuit, an external temperature sensor and a series of voltage regulators. The MAX17498BATE+T is an ideal solution for consumer, industrial and automotive applications where power conservation, efficiency and cost savings are key.

Applications for MAX17498BATE+T.

The MAX17498BATE+T is suitable for a wide range of applications, including portable electronic devices, smart phones and tablets, wearables, set-top boxes, automotive infotainment systems, and industrial and retail applications. In each of these these applications, it is important to reduce cost and improve energy efficiency, while also maintaining high power conversion efficiency.

AC/DC Conversion.

The MAX17498BATE+T features an integrated AC/DC conversion system that can provide power ranging from 1W to 3W output. This system is designed to extract power efficiently from a single-stage rectifier circuit with a wide input range of 90V AC to 264V AC. The AC/DC conversion system offers improved power conversion efficiency and reduced power dissipation, helping to significantly lower system costs. Outputs can be adjusted between 1.2V and 5V with a maximum output current of 1.5A. The integrated power management system includes pulse-width modulation (PWM) to achieve accurate output voltage control and a soft switching technique to reduce power dissipation at high frequencies.

Offline Switcher.

The MAX17498BATE+T includes an integrated offline switcher with a wide output range of 1.2V to 5V with a maximum output current of 1.5A. The high efficiency of the buck-based offline switcher reduces power dissipation and minimizes noise. The adjustable output frequency allows for design flexibility, making the device suitable for various end applications. Additionally, the integrated MOSFET switch allows for pulse skipping, further improving efficiency. An integrated soft start feature allows for smooth transition from no-load to full load conditions.

Temperature Sense.

The MAX17498BATE+T integrates a temperature sense circuit. This temperature sense circuit is designed to optimize efficiency and stabilize system performance. It utilizes an external temperature sensor to monitor the system temperature and adjust system parameters accordingly. Additionally, an integrated temperature-sense voltage regulator can be used to monitor the junction and ambient temperature and provide a corrective thermal compensation signal.

Conclusion.

The MAX17498BATE+T is a high-efficiency and high-performance integrated PMIC designed to provide reliable power at optimal levels of efficiency. It includes an AC/DC converter with a wide input range, an efficient offline switcher with adjustable frequency, and an integrated temperature sense circuit. The MAX17498BATE+T is ideal for applications in the consumer, industrial and automotive markets where power efficiency, cost savings and stability are of importance.

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