S-8261ABIMD-G3IT2U

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Power management IC (PMIC) as its name imply is an integrated circuit design to manage voltage and current flowing in electric devices. It is commonly used in electronic devices like computers, smartphones, tablets and so forth. PMIC is responsible to convert electric power from a battery or external source, distributing and regulating its voltage and current. They have been essential in almost every electronic device in the market.One of the family of PMIC is Battery Management (BM) IC. Battery management IC specifically designed for managing rechargeable batteries like lithium-ion, alkaline and lead-acid batteries. Such BMIC can provide fast charging and over discharge protection, as well as controlling current to its best performance. S-8261ABIMD-G3IT2U is one of the family of PMIC from Seiko Epson Corp. This battery management IC is designed for 3.8V and 4 Li-ion Batteries. It actually provides better protection, improve quality and increase battery lifetime. This low power consumption device comes in compact 6-pin WDFN package, measuring 2.112 W x 1.872 L (unit =mm).The power management IC S-8261ABIMD-G3IT2U cover application such as digital still cameras, wearable devices, and portable navigation systems. Its working principle is to reduce system design cycle and cost. This integrated circuit reduces up to three types of external parts by integrating accurate crowbar protection circuit, timer circuit, and protection circuit using coulomb count method from each cell voltage.The usual feature found in S-8261ABIMD-G3IT2U is the integrated power unit, capable of supplying 2A VCC for portable device and 2 x 1A for each cell, providing over voltage and current detected protection. The controller also consisted of advanced sensing and monitoring functions, such as temperature detection, timer circuit for pre-charge, and over current/voltage protection. S-8261ABIMD-G3IT2U is specially designed to limit its power consumption. Other than temperature protection and monitoring, the time required for charge and discharge can be set by programming. This allows the designer of the system to achieve the optimal balance between capacity and cycle life of its battery system. For example, by having a charging profile which is particularly important for safety, designer can set their battery to be limited of its charge current and peak current. With this power management IC, designer can adjust the capacity of the battery packs based on both cycle life and charging time duration.In conclusion, the power management IC S-8261ABIMD-G3IT2U is a perfect fit for devices that need to conserve space and power together with extended battery lifetime. It reduced the need for external parts with its integrated circuits, it reduces system design cycle, further cutting the design cost. By providing safety and extended battery lifetime, this integrated circuit can not only be applied in portable products, but also provides ease to the design engineering world.

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