AP9101DN-AOTRG1

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The AP9101DN-AOTRG1 is a PMIC - Battery Management integrated circuit, which provides two high-efficiency and high performance buck converters, allowing the power supply design to be more compact and simplify integration with other systems.

The AP9101DN-AOTRG1 is specifically designed to reduce noise and minimize the need for external components, while maximizing system efficiency. The chip also integrates with multiple protection circuits, including over-voltage, under-voltage, short-circuit, and over-temperature protection. These protections ensure safety and performance under various environmental conditions.

In terms of application fields, the AP9101DN-AOTRG1 are mainly used for battery management systems, linear regulators power supplies, battery charger controllers, solar-energy harvesting systems and automotive systems.

The AP9101DN-AOTRG1 features a low quiescent current, high efficiency, and low output voltage ripple. It offers a wide input voltage range from 3V to 32V. The output voltage of the two buck converters is adjustable, allowing a wide range of voltage applications. It supports a switching frequency up to 2.25MHz, allowing fast response during dynamic load changes. The chip also offers a load current of up to 5.5A to an output voltage of 3.3V.

Regarding the working principle, AP9101DN-AOTRG1 operates as a constant frequency pulse width modulation (PWM) converter. The input voltage is regulated using two transistors with a switch operated by a current source. As the current source charges and discharges, the transistors on the input side are controlled, alternately connecting the input voltage to ground and cutting it off. This produces the desired output voltage regulated by the duty cycle of the switch.

The AP9101DN-AOTRG1 provides a number of features for users. It integrates a low-frequency-mode system, which helps reduce harmonics, increase efficiency and reduce the size of the system design, as well as a power-on-reset circuit which offers precise system reset functions. The chip also has an internal thermal protection, which helps protect the system from over-temperature and ensures safety under various conditions.

Therefore, the AP9101DN-AOTRG1 is an effective and efficient PMIC - Battery Management integrated circuit, offering a number of features which enhances the performance and safety of the system. This chip is suitable for battery management systems, linear regulators power supplies, battery charger controllers, solar-energy harvesting systems and automotive systems.

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