S-8244ABKFN-CFKT2S

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
Number of Cells:	1 ~ 4
Fault Protection:	Over Voltage
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	8-LSSOP, 8-MSOP (0.110", 2.80mm Width)
Supplier Device Package:	8-MSOP

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Introduction

The S-8244ABKFN-CFKT2S is a family of battery management integrated circuits (ICs) designed for improved power management in a variety of applications. Developed by the Japanese company Seiko Instruments, the S-8244ABKFN-CFKT2S is a series of PMICs designed to provide efficient and reliable power supply management for equipment such as cameras, cell phones, PDAs, and laptops. The integrated smart power control, battery monitoring, and charging/discharging functions make the S-8244ABKFN-CFKT2S an ideal choice for applications requiring power efficiency and battery protection.

Application Field

The S-8244ABKFN-CFKT2S integrated circuit enables the implementation of multiple battery management functions, such as battery charging, discharging, protection, temperature protection, and monitoring. The IC can also be used to monitor and control the charging current. Thus, it is suitable for use in a wide range of applications, including mobile phones, PDAs, digital cameras, and laptops. The IC is designed to safely and effectively manage the power supply in these portable devices, providing reliable power management for extended battery life and improved power efficiency.

Working Principle

The S-8244ABKFN-CFKT2S PMIC provides a complete set of features for power management in portable electronic devices. The IC contains various functional blocks to support the necessary charging and discharging operations. On the input side, the IC has an internal charge pump to regulate the input power in order to provide the battery with a pre-determined charging current. On the output side, the IC can be adjusted to charge and discharge up to four batteries in parallel. The battery protection circuit shuts down the charging and discharging processes when an over-voltage, over-temperature, or reverse polarity condition occurs. The IC also monitors the battery voltage levels and can detect a low battery voltage or an over-voltage condition. The integrated protection circuit disconnects the charger or the load when one of these conditions is detected, allowing the device to be safely and reliably operated. The S-8244ABKFN-CFKT2S further offers Smart Adapter Control with over-voltage and over-temperature detection for improved power efficiency in portable devices. The IC also contains various safety features, including over-current and short-circuit protection, as well as a low-voltage input detect circuit. Moreover, the IC features an automatic battery detection circuit which enables it to detect if the battery is connected or disconnected. This enables the IC to take the appropriate action when a battery is connected or disconnected from the circuit.

Conclusion

The S-8244ABKFN-CFKT2S PMIC provides a complete solution for improved power management in a variety of applications. The integrated monitoring and protection circuits keep the device protected from over-voltage, over-temperature, and reverse polarity conditions. In addition, the Smart Adapter Control and battery detection circuit further enhance the power management capabilities of the IC. The flexibility of the IC enables it to be used to monitor and control charging and discharging operations for up to four batteries in parallel. Thus, the S-8244ABKFN-CFKT2S makes it ideal for use in a wide range of applications, including mobile phones, PDAs, digital cameras, and laptops.

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