DS2711EB+

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DS2711EB+ application field and working principle

The DS2711EB+ is a cost-effective battery charger controller designed by Maxim Integrated. It is specifically designed to be single-cell Li-ion or Li-polymer battery charger with simple external components. It contains a power path management circuit with a Maxim-integrated switch that is designed to suit heavy-duty applications such as mobile phones, tablets, portable media players, and portable navigation systems. The device also protects the application from overcharge conditions.

Application Field

Since the device is a single-cell Li-ion or Li-polymer battery charger, some of the application fields can be assumed as follows:

• Consumer Electronics - Mobile phones, tablets, portable media players, portable navigation systems, handheld gaming devices, etc.
• Industrial Applications – Power tools, Wearable Devices, Wireless data devices, etc.
• Embedded Applications – IoT Sensors, Automotive Applications, Medical Devices, etc.

Working Principle

The DS2711EB+ is an advanced battery charger controller. The device controls the charge process by regulating the current flowing into the load side of the battery. The device regulates the voltage at the battery side and switches the current when the voltage reaches the set limits. It also monitors the battery’s temperature and prevents it from getting hotter than its temperature limit. In addition, it has an input current limit and a charge termination current limit.

The device supports the NEC protocol and may be used with any industry standard SMBus host controller. The I2C-based SMBus interface allows the host to control the charger\'s features like input current limit, fast-charge current limit, charge termination current, etc. In addition to the above features, the device also provides over-voltage protection, under-voltage lockout, and time out features to prevent damage to the battery.

The DS2711EB+ also comes with an integrated power path management circuit with a Maxim-integrated switch. This integrated circuit helps to ensure maximum efficiency and highest battery capacity by providing low RDS(ON). The power path management circuit enables a boost for the load in addition to charging the battery. It also allows for low quiescent current and as low as 6 mΩ RDS(ON).

Conclusion

The DS2711EB+ is a cost-effective and highly efficient single-cell Li-ion or Li-polymer battery charger controller. It contains a power path management circuit and an integrated switch to optimize the charge process and protect the application from overcharge conditions. The device is suitable for a wide range of applications including consumer electronics, industrial applications, and embedded applications. The I2C-based SMBus interface allows it to be controlled by any industry standard SMBus host controller.

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