S-8232AJFT-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

The S-8232AJFT-T2-G is a battery management integrated power management integrated circuit (PMIC) designed for demanding applications where battery life and reliability are paramount. The S-8232AJFT-T2-G is especially well suited for providing reliable, high performance battery management solutions for industrial and consumer electronic products, including portable devices and automotive systems.

Application Field

The S-8232AJFT-T2-G is a highly integrated PMIC — Battery Management device that is capable of managing up to four Li-Ion or Li-Polymer cells. The device provides a complete range of solutions for on-board battery charging and protection, as well as supporting essential system signals and functions. The battery management solutions of the S-8232AJFT-T2-G include charge and discharge control, over-temperature protection, voltage monitoring, cell imbalance protection, and more. With wide input voltage and system current range, the S-8232AJFT-T2-G can support most applications, including industrial, automotive, communications, and medical systems.

Working Principle

The S-8232AJFT-T2-G utilizes a Pulse Width Modulation (PWM) voltage regulator control architecture. This design ensures that the desired voltage is successfully maintained, and provides the required precision over temperature and line variations. The device uses current and voltage sensing techniques for battery protection, and supports up to 4 cells with adjustable voltage range for charging and battery regulation. A closed loop control scheme enables protection against over voltage and under voltage conditions, and ensures maximum charge/discharge current accuracy across temperature splits.Furthermore, the S-8232AJFT-T2-G includes various features to ensure battery safety, including over temperature protection, over voltage protection, and thermal shutdown. The device also integrates a low cost, low power external MOSFET that enables the flexibility to configure the voltage control loop. The S-8232AJFT-T2-G also offers a wide range of system requirements including battery charging, system start up, cell monitoring, system reset, and adjustable output voltage. To ensure maximum efficiency and performance, the S-8232AJFT-T2-G also supports several system parameters such as output voltage accuracy, pre-charging, soft start, power protection, and sleep mode.

Conclusion

The S-8232AJFT-T2-G, a PMIC — Battery Management IC from Sumitomo Electric, is capable of managing up to four Li-Ion or Li-Polymer cells with high reliability, stability and accuracy. The device utilizes a Pulse Width Modulation (PWM) voltage regulator control architecture and features a wide range of solutions for battery charging and protection, along with a variety of system requirements. With its wide input voltage and system current range, the S-8232AJFT-T2-G is ideally suited for demanding applications such as industrial, automotive, communications and medical systems that require reliable performance, long battery life and maximum protection.

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