S-8261ABRMD-G3RT2U

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The S-8261ABRMD-G3RT2U is a single-cell Li-ion (Li+) or LiPo battery charger that can be applied to a range of different applications, including mobile equipment, automotive systems, and industrial control. It features overvoltage, overcurrent, and short-circuit protection, and helps design engineers optimize their design by utilizing a lowquiescent-current consumption feature that greatly reduces the overall power consumption. In addition, it is designed with a built-in power optimizer to improve efficiency and minimize power losses.

The S-8261ABRMD-G3RT2U operates in a variety of Charge/Discharge Modes, including Constant Voltage Charge/Discharge, Constant Current Charge/Discharge, Second-Order Charge/Discharge, and HVD Li+. It is also enabled with a Battery Switching Mode, which helps prevent overcharging and fully utilize the power from the battery. This mode is especially useful for mobile devices that draw power from the battery continuously, such as smart phones and tablets.

The S-8261ABRMD-G3RT2U utilizes a 4-channel charge-discharge control driver that provides the necessary flexibility and functionality for high-performance and low-load applications. It features a wide input voltage range of 2.4V to 5.75V and can support battery systems up to 40V. Additionally, it provides over-voltage protection and an adjustable shutdown voltage.

The working principle of the S-8261ABRMD-G3RT2U is based on the concept of charge and discharge, which involves using a current source to push a charge into the battery and, subsequently, draw out the charge from the battery when the battery voltage reaches a certain point. This process is repeatable until the battery is either fully charged or discharged.

The charge and discharge of the S-8261ABRMD-G3RT2U follows a four-step process, consisting of constant current charge, constant voltage charge, charge termination, and battery discharge. During the constant current charge phase, the charger supplies a constant current to the battery while the battery voltage rises steadily, until it reaches the set voltage. The constant voltage charge follows, in which the charger keeps supplying a constant voltage to the battery until it reaches the maximum charge current. The charge termination occurs when the battery is fully charged; the charger automatically switches to the standby mode, while allowing the charger to idle.

The final step in the charging process involves the discharge of the battery. In this state, the charger rectifies the battery voltage and ensures that the battery is not over-discharged. The S-8261ABRMD-G3RT2U also provides additional protection against overvoltage, overcurrent, and short-circuit. All of these processes ensure that the battery is charged effectively and safely.

In conclusion, the S-8261ABRMD-G3RT2U is an ideal option for applications that require battery management in order to protect the battery from overcharging or overdischarging. It provides a wide input voltage range and supports battery systems up to 40V, while allowing efficient and safe charging of a single Li+ or LiPo cell. The four-step charging cycle and its numerous protection features further ensure an increased battery life and safety.

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