DS2711E+

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The DS2711E+ is a highly integrated linear battery charger from Maxim Integrated specifically designed for 3.2V to 3.8V Li+ applications. Arguably, the DS2711E+ is one of the most versatile PMICs for battery charging, providing an easily configurable and low-cost charging solution. This PMIC battery charger has been engineered from the ground up to be simpler, faster and more cost effective.iThe DS2711E+ can be used in applications such as cell phones, digital cameras, MP3 players, portable gaming devices and numerous other portable devices. This PMIC can charge one or two cells in parallel, making it ideal for many applications that use Li+ batteries. The biggest advantage of the DS2711E+ is its flexibility. With a wide input voltage range, the charger can be used in applications that require higher input voltage, such as in solar powered charging systems.The DS2711E+ also has an easy-to-use I2C interface along with a number of other features that make it an excellent choice for battery charging. The PMIC can be configured to either trickle-charge or fast-charge Li+ cells, depending on the design requirements. The charging algorithm is fully programmable, making it possible to adjust the charge parameters for a specific battery.The working principle of the DS2711E+ is that it employs a switched capacitor buck-boost converter with a maximum efficiency of 92%. This allows the charger to convert input voltages from 3.2V to 15V into charge currents ranging from 0.1A to 1.5A. Additionally, the DS2711E+ has an internal temperature sensor, allowing it to detect battery temperature and reduce or increase the charge current accordingly. The charger also incorporates overvoltage, overcurrent and over temperature protection features.In summary, the DS2711E+ is an incredibly versatile and cost effective PMIC for battery charging applications. Its wide input voltage range, easy-to-use I2C interface and adjustable charge algorithm make it an ideal solution for multiple portable device designs. It also offers superior efficiency and several protection features to ensure a safe charging process.

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