S-8211CAS-M5T1U

Series:	S-8211C
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Function:	Battery Protection
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	1
Fault Protection:	Over Current, Short Circuit
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5

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Introduction

The S-8211CAS-M5T1U is a battery management device specifically designed to control and optimise Li-ion battery packs in portable applications. Featuring buck-boost and linear charging/discharging circuits, the device offers an improved level of protection as well as better performance in terms of charge-discharge cycle life, safety and protection. Additionally, the device\'s thermal management capabilities provide an added layer of protection to ensure the pack is not subjected to over-temperature conditions while being charged or discharged.

Application Field

The S-8211CAS-M5T1U is ideally suited for use in portable applications where batteries need to be managed for optimum performance and safety. This includes applications such as laptop computers, digital cameras, power banks, wearable devices, and many other mobile or handheld electronic devices. In these applications, the device helps to improve battery charge/discharge performance, extend battery life, and protect the battery against thermal over-temperature conditions.

Working Principle

The S-8211CAS-M5T1U device utilizes buck-boost and linear charging/discharging circuits, along with thermal management, to provide a comprehensive battery management solution. The buck-boost circuit automatically adjusts the input and output voltages to maintain the optimal charge level in the battery pack, while the linear charger and discharger circuits keep the current level in the battery pack controlled and regulated within specified limits. The device also features a built-in temperature sensor which provides thermal management capabilities. This ensures that the battery pack is kept within a safe temperature range and prevents overheating during charge and/or discharge cycles. Furthermore, the device offers support for all major Battery Management System (BMS) protocols, enabling the battery pack to be monitored and managed remotely if necessary.

Conclusion

The S-8211CAS-M5T1U is an feature-rich battery management device, specifically designed for portable applications. It utilizes a combination of buck-boost and linear charging/discharging circuits, as well as a built-in temperature sensor for thermal management, to provide an optimal battery charge/discharge performance, as well as enhanced protection from thermal over-temperature conditions. The device works with all major Battery Management System (BMS) protocols, enabling remote monitoring and management of the battery pack.

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