ADP2139ACBZ-1.0-R7

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PMIC(Power management IC) is a technology used to manage power supplies in a wide range of electronics applications, from consumer devices to industrial systems. Voltage Regulators form the essential component of this power management system, providing steady and reliable power supplies. DC DC switching regulators are an important class of voltage regulators that are used in applications with high power demands and high efficiency requirements. ADP2139ACBZ-1.0-R7 is a specific type of DC DC switching regulator that is designed to meet these stringent power requirements.

Application Field

ADP2139ACBZ-1.0-R7 is typically used as a PMIC for Li-ion and Li-polymer battery charge pump applications. This device is suitable for portable applications requiring highly efficient and compact power management solutions. It integrates dual-charge pumps and delivers up to 2A peak charge and discharge current. This device not only provides comprehensive system protection for the Li-ion or Li-polymer battery, but also allows charging from a typical USB port or other source.

In addition, the ADP2139ACBZ-1.0-R7 is designed to be highly efficient, with a typical power efficiency of more than 95%. The device is also very compact and features a highly integrated design, resulting in a very small board footprint. It also contains a number of configurable options to allow flexibility in design and customization.

Working Principle

The ADP2139ACBZ-1.0-R7 uses a step-up charge-pump topology to generate a positive voltage from a Li-ion/ Li-polymer battery. This allows the device to provide an output voltage that is greater than the input voltage. The device provides a dual-charge-pump architecture that can provide up to 2A peak currents, ensuring fast and effective charge and discharge rates.

The device uses an adaptive input current limit that ensures that the input current does not exceed the rating of the source, protecting it from any over-current conditions. The device also includes a wide range of configurable options such as voltage range, current limit, charge pump oscillator frequency, and sync frequency.

The device also features robust protection features including over voltage protection, under voltage protection, thermal shutdown, and cycle-by-cycle current limit. These protection features ensure the safety of the Li-ion/ Li-polymer battery in case of any fault. Additionally, the device also has an enable pin that can be used to remotely enable or disable the device.

Conclusion

The ADP2139ACBZ-1.0-R7 is a highly efficient and reliable DC DC switching regulator, specifically designed for Li-ion and Li-polymer battery applications. This device provides up to 2A peak currents and features a highly integrated design and a wide range of configurable options. Additionally, the device also features a number of robust protection features to ensure the safety of the battery. This makes the ADP2139ACBZ-1.0-R7 an ideal choice for portable applications requiring highly efficient and compact power solutions.

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