S-8261ACDMD-G4DT2G

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PMIC - Battery Management
Battery management plays a key role in ensuring safe, reliable, and efficient operation of portable electronics, especially those powered by lithium batteries. It involves the importance of collecting, tracking, monitoring, and analyzing battery information. As a part of it, S-8261ACDMD-G4DT2G is a power management integrated circuit (PMIC), specifically designed for lithium ion/polymer primary battery applications. This single-chip solution integrates functions such as status monitoring, open/short detection, overvoltage and undervoltage protection, as well as standard charging control in a single package. It is available in an industrial-grade reverse transfer molded Land Grid Array (LGA) package, which allows for easy handling and high line insulation. 
Working Principle
The S-8261ACDMD-G4DT2G follow a semi-floating charge architecture, which is suitable for most types of lithium batteries. The device monitors up to four cell voltages, detects open and short failures, and is capable of charging lithium ion batteries up to 4.25V maximum voltage with a programmable capacity.The chip is also equipped with over and under voltage protection, short detection and circuit reset function. This feature significantly reduces the complexity of the system, reduces manufacturing cost and greatly extend the life cycle of the system. Additionally, the S-8261ACDMD-G4DT2G provides advanced thermal foldback functions to limit IPEAK when necessary, protecting both the battery cells and the circuit itself.
Application Fields
S-8261ACDMD-G4DT2G is useful for 6-series Lithium Ion/Lithium Polymer cells in a wide array of applications, such as robotic vacuums, portable medical devices, audio and video surveillance devices, IoT devices, drones, and agriculture drones. It is also suitable for applications such as wearables and fitness bands. Moreover, the chip can be used for other application fields when coupled with Li-ion cells of 4S or more, like automotive, industrial, and consumer products. In addition, the S-8261ACDMD-G4DT2G protects the battery pack against short-circuit, over-temperature and over-charging, which makes it ideal for a variety of applications that require safety and reliability. It is suitable for any system that requires high-efficiency charging and battery protection. To sum up, S-8261ACDMD-G4DT2G is a power management integrated circuit for lithium ion/polymer primary battery applications, which provides charging control and over/under voltage protection for 6-series Lithium ion/lithium polymer cells. It offers a reliable and cost-effective solution for users who need robust protection and high-efficiency charging in their battery systems.

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