S-8232AYFT-T2-G

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Not For New Designs
Moisture Sensitivity Level (MSL):	--
Function:	Battery Protection
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	2
Fault Protection:	Over Current
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	8-TSSOP

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Introduction

PMIC - Battery Management is an emerging and growing field of technology applicable in a vast number of applications. The purpose of battery management is to monitor and control the charging and discharging of batteries and optimize the performance of battery packs, extending the operational life of the battery and maintaining safe operating conditions. The S-8232AYFT-T2-G is a PMIC device with advanced lithiumion battery charging and monitoring capabilities, enabling developers to build reliable, power efficient battery packs. This article will give an overview of the applications of S-8232AYFT-T2-G and the working principles endured by the device.

Applications of S-8232AYFT-T2-G

S-8232AYFT-T2-G is applicable to a wide range of products, from consumer electronics and portable medical devices to automotive and industrial systems. The device is designed for integrated use with a variety of lithium rechargeable batteries, such as Lithium Polymer (Li-Poly) and Lithium Ion (Li-Ion), alleviating the need for extensive programming for the selection of the most suitable battery type for the application.The S-8232AYFT-T2-G is a fully integrated device and includes a 24-bit analog-to-digital converter, a system sequencer and memory maps for hierarchical battery management, adjustable switching controller and analog channels. The device also features a wide range of programmable features, such as charger/discharger maximum current thresholds, minimum/maximum cell voltage levels, system-level shut down thresholds, cell balancing thresholds and charger/discharger communication interfaces. It is ideal for applications which require an efficient and accurate management of battery cell balancing, charging, discharging and monitoring. In consumer products, the S-8232AYFT-T2-G can be used to optimize the charging time and improve safety for rechargeable consumer electronics such as mobile phones and tablet computers. The device also has automotive applications, such as electric vehicles where it can be used to manage the charging/discharging of high-voltage battery packs. In medical applications, it can be used to enhance the battery systems in portable medical instruments and medical implants, such as cardiac pacemakers and insulin pumps. Lastly, the device can be integrated into industrial systems, such as solar energy storage systems and thermoelectric generators.

Working Principle of S-8232AYFT-T2-G

The S-8232AYFT-T2-G is a highly integrated system intended to expand the life of lithium ion cells and improve the safe operation of Li-Ion batteries. The device operates on the design principle of cell-by-cell monitoring. In order to achieve the overall system level control, the device is connected to each cell in the battery pack via a system-level multiplexer. The device is equipped with analog-to-digital converter which samples the cell voltages and transmit the data to the S-8232AYFT-T2-G using communication protocols such as I2C and SPI. The device then compares these voltages to the pre-defined thresholds, such as overvoltage (OV) and undervoltage (UV) levels. If the voltage exceeds either of these threshold, the device signals the system controller to cut off the power and protect the battery from any further damage. The device also monitors the temperature of the battery, which is critical for safe operation of Li-Ion batteries. If the temperature of the battery pack exceeds the specified temperature, the device signals the system controller to shut off the power and reduce thermal stress.Lastly, the device enables balancing capabilities. Cell balancing is the process of equalizing the charge of each cell in the battery pack. This is important to maintain the overall performance of the battery and reduce the effect of battery aging. The device includes a programmable cell balancer whichequalizes the battery cells when needed, ensuring that all cells are in balance and providing higher safety for the battery pack.

Conclusion

S-8232AYFT-T2-G

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