S-8254AATFT-TB-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:	3 ~ 4
Fault Protection:	Over Current
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	16-TSSOP

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Introduction to S-8254AATFT-TB-G Battery Management

The S-8254AATFT-TB-G battery management solution is a powerful and flexible smart battery management circuit designed to optimize the battery lifetime of single-cell and multi-cell battery chemistries. Its integrated Power Management IC (PMIC) and battery management circuitry maximize the recharge, protection and monitoring capabilities of the battery while allowing the user to customize and adjust the system\'s operational setup.

Features of S-8254AATFT-TB-G

The S-8254AATFT-TB-G PMIC-based battery management system offers several noteworthy features that are necessary for battery protection and management, including:

• Monitors battery voltage and temperature for safe operation
• High charge and discharge current rating up to 15A with overcurrent, overvoltage and overtemperature protection
• Integrated charge termination, precharge and overcharge voltage protection
• Optional active pass-through support for simultaneous charging and discharging
• Flexible system configuration with integrated power control
• High capacity, temperature and safety margin capability
• Integration with external components such as thermistors and LEDs
• Low cost with minimal PCB footprint

Applications of S-8254AATFT-TB-G

The S-8254AATFT-TB-G battery management solution is applicable to a wide range of scenarios, including consumer electronics, electric vehicles, robotics, wearable devices, and smart home products. The highly integrated PMIC and voltage/temperature monitoring capability makes the S-8254AATFT-TB-G a solution of choice for consumer applications that require long-lasting battery life. Furthermore, the system actively monitors and detects abnormal conditions such as summing cell voltages and overcurrent draw, which ensures safe and efficient operation of the battery.

Working Principle of S-8254AATFT-TB-G

The S-8254AATFT-TB-G power management IC (PMIC) is based on a voltage booster topology to drive a buck-boost control structure, optimized for single-cell or multi-cell battery chemistries such as Li-Ion, Li-FePO4, and NiMH. It features a ±1.5V input voltage rail, a 15A charge/discharge current rating, and a 10A overcurrent protection. The voltage booster topology allows the PMIC to switch between constant voltage and constant current for charging the battery, enabling a very efficient closed loop system for charging and discharging. Furthermore, it features an adjustable over-charge and over-voltage protection, plus temperature monitoring. The device can also be integrated with other external components such as thermistors, NTCs and LEDs to enable advanced safety and monitoring features.

Conclusion

The S-8254AATFT-TB-G battery management solution provides an intelligent and economical approach to power management, protection, and monitoring of single-cell and multi-cell battery chemistries. Through its integrated PMIC, the S-8254AATFT-TB-G provides powerful protection along with the ability to customize the system’s setup and integration with external components. It is applicable to a wide range of products and scenarios, bringing customers the best in battery performance and safety.

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