Single-chip solution performs all charging and battery management functions

Julien Happich -November 12, 2013

To meet the growing worldwide demand for power hungry smart phones and tablet computers, Active-Semi has released the ACT2800 product family, a series of Power Bank IC solutions whose first two devices include the ACT2801 and ACT2802.

The ACT2800 family was architected to integrate the complete Power Bank functionality into one system-on-a-chip. Power Bank chipsets on the market today require multiple ICs, such as micro controller units (MCUs), to perform the charging and battery management functions in addition to several discrete components. The ACT2800 family reduces the system footprint and minimizes design complexity, while leaving room for larger batteries and reducing total system cost.

The ACT2801 device supports output current up to 1.5A while the ACT2802 supports output current up to 2.1A to reduce charging time when using larger batteries. The chips feature 95% of power conversion efficiency, a low battery leakage current of under 10uA, programmable current limiting, and protection features such as over-temperature protection, over-current protection, over-voltage protection, and short-circuit protection. Also integrated are a push-button user input and signal for a LED based “power meter” for battery level indication.

ACT2801 information page
ACT2802 information page

Visit Active-Semi at www.active-semi.com

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This article originally appeared on EE Times Europe.

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