S-8254ABCFT-TB-U Integrated Circuits (ICs)

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The S-8254ABCFT-TB-U is a battery management device, used for system power management and to support the bq24141-Q1 charger IC, which is used to optimize the lifetime of a battery。Based on NEC’s technologies and resources, this device offers improved regulatory compliance, reduced development time, and minimized product cost.

Application Field Of S-8254ABCFT-TB-U

The S-8254ABCFT-TB-U is used in a wide range of products and applications, such as notebook PCs, PDAs, mobile phones, tablets, flat screen TVs, digital cameras, multimedia players, portable media players, and other portable devices. This device can also be used in medical and automotive applications where system power management and battery management are required.

Given its applications, the S-8254ABCFT-TB-U is ideal for use in a variety of portable devices running on a single cell lithium ion battery.

Working Principle Of S-8254ABCFT-TB-U

The S-8254ABCFT-TB-U provides a complete solution for battery management, including current control, voltage regulation, over-temperature protection and over-charge protection. It also provides a capacitor balance circuit and a power pass-through circuit to reduce system noise. The device supports a wide range of input voltages, from 1.8V to 21V. The power path design ensures last-in first-out load sharing with the over-charge protection, and the device is designed to minimize the power consumption.

The S-8254ABCFT-TB-U also features built-in dynamic power management to optimize battery life and maximize system performance. It has adjustable current limit, over-discharge protection, over-temperature protection, over-charge protection and over-load protection, and can be programmed to provide optimal performance for specific battery conditions.

Furthermore, the device supports various system power management modes, such as sleep mode, idle mode, and active mode, to optimize system power savings.

In addition, the S-8254ABCFT-TB-U supports both digital and analog programming of the current limit. The digital programming allows operation at higher current limits when a higher output voltage is being supplied, and the lower current limit automatically maintains battery lifetime.

Conclusion

The S-8254ABCFT-TB-U is a battery management device that supports a wide range of applications and features built-in dynamic power management to optimize battery life and maximize system performance. It provides complete system power management and battery management functions, and can be programmed to provide optimal performance for specific battery conditions.

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