S-8253BAI-T8T1GZ

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
Fault Protection:	Over Current, Short Circuit
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-8253BAI-T8T1GZ is a multi-function device designed to support lithium-ion batteries in all sorts of applications. It is a highly effective, low-power and feature-rich power management integrated circuit (PMIC), combining a battery charger, low-dropout regulator, load switch, reverse load detector, fuel gauge and power path. In this article, we will look at its application field and working principle.

Application Field

The S-8253BAI-T8T1GZ has a wide range of applications, with its feature-rich PMIC design. This device can support lithium-ion batteries in a variety of different applications, such as embedded systems that require high-reliability power specifications in low power or industrial environments. It can also be used in electronic devices such as smartphones, tablets and notebooks, as well as wearable electronics.

Working Principle

The S-8253BAI-T8T1GZ utilizes a Charge Pump Architecture to control the charge current of the battery to the desired level. This, along with the I2C interface and the Battery Information Table, allows for a smooth charge to the battery, ensuring an optimization of the battery’s capacity according to manufacturer’s recommendations. The Battery Information Table utilizes the I2C interface to transfer temperature, voltage and current data, allowing the PMIC to further optimize the charging process.The S-8253BAI-T8T1GZ also features a low-dropout regulator, allowing the user to provide a regulated output voltage while the battery is being charged. This is especially useful when the battery level is low, and there is a need to provide a regulated voltage without compromising its stored energy.In addition to its battery charging capabilities, the S-8253BAI-T8T1GZ also includes a load switch, enabling the user to provide an external load to the device’s output voltage. This allows for a higher degree of flexibility when designing an application that needs a variable output voltage.Finally, the device also includes a Reverse Load Detector feature, which detects when the load is reversed and the voltage is increased. This feature is particularly useful in consumer electronics or industrial applications, as it allows for better protection against misuse or system errors.

Conclusion

The S-8253BAI-T8T1GZ is a powerful, feature-rich PMIC, designed to support lithium-ion batteries in a variety of different applications. It is a highly effective, low-power device that can be used in consumer electronics, industrial applications and embedded systems. The device features a Charge Pump Architecture, low-dropout regulator, load switch and Reverse Load Detector, making it suitable for highly reliable and low-power applications.

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