AP9101CK6-BQTRG1

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PMIC (Power Management Integrated Circuit) has demonstrated excellent performance in the fields of battery management, providing system-level power solutions for portable electronic devices, often combining multiple power management functions into a single IC. The AP9101CK6-BQTRG1 is a PMIC specifically design for battery management. It is a high performance boost regulator IC that operates from 2.6V to 5.5V input voltage and offers up to 3A output current.

The AP9101CK6-BQTRG1 has several features that make it very suitable for mobile applications and battery management. Its low noise output allows it to be used with very sensitive battery cells or other components, while a high switching frequency of 1.65MHz allows it to draw less current in general and reduce EMI (electromagnetic interference) generation. In addition, the output voltage is adjustable in a wide range from 0.8V to 5.5V, allowing it to be used with a variety of battery types.

Its main application fields are battery management. Battery management systems are increasingly important parts of the design of mobile devices, such as smartphones and tablets, due to their ability to maximize the usage of battery and protect the device from over-discharge. The AP9101CK6-BQTRG1 is used as part of the battery management system to provide stable voltage output from a relatively low input capacity. The adjustable output voltage of AP9101CK6-BQTRG1 also allows it to be used for charging/discharging protection in battery packs.

The working principle of AP9101CK6-BQTRG1 is different compared to linear regulators or battery charger ICs. It contains both a high-side MOSFET switch and a low-side MOSFET switch. When the input voltage is higher than the output voltage, the high-side switch is turned on, allowing the inductor current to go up, and the energy stored in the inductor is transferred to the energy output. When the voltage reaches the output voltage, the high side switch is turned off, and the low side switch is turned on to transfer the energy stored in the inductor to the output, and the magnetic field will collapse, discharging the current and completing the process.

Due to its advantages, such as high switching frequency, adjustable output voltage, low noise output and high efficiency, the AP9101CK6-BQTRG1 PMIC is an excellent solution for battery management. Although used mainly for battery management, it can also be used for other applications such as LED driver, 0.9V low voltage power supply and others. It is also small in size and easy to combine with other components, making it ideal for mobile applications and other space-limited designs.

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