S-8211EAH-I6T1U

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Power Management Integrated Circuit (PMIC) is a chip that acts as an intermediary between the main controller and the power source. It is used for efficient power management, conversion and distribution to ensure the stability of the system. Battery Management is a kind of PMIC with the purpose of monitoring and controlling the battery charge/discharge, temperature, voltage and other related care. S-8211EAH-I6T1U is a Battery Management IC developed by Seiko Electronics Co., Ltd. This device can be used in wide range of applications and offers various functions, making it a popular choice for battery protection. The following sections provide an overview of its applications and how it works.

Application

The S-8211EAH-I6T1U belongs to the Battery Management IC from Seiko Electronics and is designed to support multi-cell battery system. It features a low quiescent current and offers a wide range VDD range from 1.4V to 20V, making it suitable for a wide range of applications. In addition, it is able to detect, monitor and protect over-discharge, over-charge, reverse charge, short circuit and more for 1S - 10S battery strings. This IC can be used for battery management in any devices that require batteries such as remote control, game consoles, digital camcorder and walkie-talkies.

Working Principle

The S-8211EAH-I6T1U is equipped with a high-precision A/D converter and a 16-bit command processor. It is equipped with various safety and protection functions that monitor the voltage and current of the batteries. For charging process, the command processor will decide the charge and discharge current in a range from 0.1A to 5A, depending on the number of cells used in the battery string. The IC also features an over-voltage protection of 4.3V per cell. The main controller can adjust the protection level with the help of the built-in command processor.

For discharging process, the command processor will monitor the voltage of the cells and switch off the power when the voltage drop below the safety threshold. This not only ensures the safety but also prolongs the battery life. In addition, the IC also has a built-in temperature monitoring feature that will shut down the system in the event of an overly high temperature. This will help to prevent permanent damage to the components of the system.

With its good performance, high reliability, low quiescent current and wide VDD range, the S-8211EAH-I6T1U is an ideal choice for battery management. It has proven to be an effective solution for protecting and monitoring 1S to 10S battery strings in many different applications.

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