S-8211CBN-I6T1U

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:	6-SMD, Flat Leads
Supplier Device Package:	SNT-6A
Series:	S-8211C
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--

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S-8211CBN-I6T1U: Application Fields and Working PrincipleThe S-8211CBN-I6T1U is a DC/DC buck-boost converter integrated circuit used as a Battery Management System (BMS) by many electronic systems. It is a component used to step up and step down the voltage in order to charge and discharge lithium ion batteries and protect them against overcharging and over-discharging.Application FieldsThe S-8211CBN-I6T1U is mainly used in the commercial and industrial settings, typically found in the automotive, aerospace, and telecommunications markets. In a number of these industries, it is used to power electronic systems that typically require a large amount of energy such as in battery management systems, wireless communication systems and medical equipment.Industrial application includes in the ones mentioned above, but can also be found in solar, wind, and geothermal energy solutions, as well as production line robots and machine platforms for automated industrial equipment. It is also used in a number of consumer products such as video game consoles, drones and cameras.Working PrincipleThe S-8211CBN-I6T1U DC/DC buck-boost converter uses a closed-loop control for buck-boost and buck-up conversion, with the goal of maintaining output voltage and current regulation. The input voltage and current is monitored through two pins on the chip, VIN and ISEN, and then a comparator chip is used to detect if the input voltage is higher or lower than the output voltage. If the voltage is higher, the chip switches to buck mode and will lower the output voltage to match the input voltage. If the voltage is lower, the chip switches to the boost mode and will increase the output voltage to match the input voltage. The converter also comes with two pins that can be used to set the output voltage. The converter also protects against over-charging and over-discharging of lithium ion batteries by monitoring the battery voltage, and when it reaches the set threshold voltage, either the charger or the load can be turned off by the chip. The chip is also capable of current monitoring with the help of the ILIM and ISEN pins, which can be used to detect the load current, and either reduce or shutdown the load current upon reaching the set limit. The S-8211CBN-I6T1U DC/DC buck-boost converter is an excellent PMIC for battery management that offers efficient and reliable performance in a variety of applications and settings. It offers the robust and reliable features necessary for the safe operation of lithium ion batteries, and its versatile design allows for it to be used in a wide range of applications.

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