S-8211AAB-I6T1G

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Function:	--
Battery Chemistry:	--
Number of Cells:	--
Fault Protection:	--
Interface:	--
Operating Temperature:	--
Package / Case:	6-SMD, Flat Leads
Supplier Device Package:	SNT-6A

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Introduction

The S-8211AAB-I6T1G is a single-chip management IC for Lithium-ion batteries. It controls and monitors a wide range of battery parameters, including voltage, current, temperature and state of charge, to enable safe charging, battery protection and accurate battery information. The S-8211AAB-I6T1G is a highly integrated power management integrated circuit (PMIC) with advanced lithium-ion battery management capabilities.

Application Field

The S-8211AAB-I6T1G is a low-power, high-performance PMIC suited for a variety of consumer, automotive, and industrial applications. Consumers commonly use this chip in battery powered devices such as cell phones, cameras, and laptop computers. The automotive industry uses it in vehicle powertrain systems, and industrial applications include UPS, solar panels, and electric bicycles, among others.This PMIC is also popular for medical and healthcare equipment due to its precise battery monitoring capabilities, allowing for very precise control over battery performance, fuel gauging, and temperature readings. Furthermore, due to its low-power consumption, it is also suitable for mobile, remote, or portable applications with power sources from solar or wind systems.

Working Principle

The S-8211AAB-I6T1G consists of a host central processor, a system controller, and ancillary devices. It works by monitoring the battery parameters and adjusting the operating parameters of the battery as required. This helps to ensure a safe operating environment and prevents damage due to over-charging or over-discharging.When the battery is in use, two important factors are monitored - voltage and cell current. The battery voltage is measured using a high-precision A/D converter. This enables extremely accurate voltage readings, which are then compared against a predetermined setting, such as the cell voltage or end-of-charge cut-off voltage. The battery current is also measured using an A/D converter, allowing for precise readings of cell current.When the cell voltage reaches a predetermined level, the circuit will activate a charge-end control algorithm. This algorithm is responsible for controlling the charging parameters, such as cell temperature and cell voltage, to ensure safe operation. The current will also be monitored to detect possible over-charging that could damage the battery.When the battery is not in use, the circuit will enter a low-power sleep mode and maintain monitoring of the battery. This allows it to detect problems such as over-discharge and short-circuiting. It will then activate an appropriate protection algorithm and disconnect the battery from the power source.

Conclusion

The S-8211AAB-I6T1G is a single-chip power management IC that provides precise and comprehensive control over battery charging and operation. It is popular in a wide range of consumer and industrial applications, due to its low-power consumption and precise monitoring capabilities. This PMIC is highly integrated and works by monitoring the battery parameters and adjusting the operating parameters as necessary, helping to ensure a safe operating environment and preventing damage due to over-charging or over-discharging.

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