ISL6258AHRTZ-T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Battery Chemistry:	--
Number of Cells:	2 ~ 4
Current - Charging:	Constant - Programmable
Programmable Features:	--
Fault Protection:	Short Circuit
Charge Current - Max:	8A
Battery Pack Voltage:	--
Voltage - Supply (Max):	25V
Interface:	I²C
Operating Temperature:	-10°C ~ 100°C (TA)
Package / Case:	28-WFQFN Exposed Pad
Supplier Device Package:	28-TQFN (4x4)
Base Part Number:	ISL6258

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Introduction

The ISL6258AHRTZ-T is a battery charger manufactured by Intersil Corporation that has been designed to provide a single-cell Li-Ion and Polymer Li-Ion battery charger with high efficiency, low supply current, and minimal external components. This chip can be used to charge any type of lithium-ion chemistry and has a wide range of battery charging parameters. The ISL6258AHRTZ-T is capable of providing a full charging current with a minimum supply current of only 500uA, making it ideal for use in portable and embedded applications.

Application Field

The ISL6258AHRTZ-T is a versatile product which can be utilized for a variety of applications. It can be used to power a range of battery-powered embedded systems such as portable computers, cell phones, PDA\'s, and other type of portable electronic devices. The ISL6258AHRTZ-T is also an ideal choice for powering small medical equipment, CCTV cameras, laptop batteries, and other similar applications.In addition, the ISL6258AHRTZ-T is also an ideal choice for powering static equipment such as security systems, emergency lighting, and fire alarms, due to its low operating current maximizing the battery life. Additionally, the features of this chip also allow it to be used in applications where a low standby current is required, such as smart cards, radio-frequency identification (RFID) systems, and more.

Working Principle

The ISL6258AHRTZ-T provides a high-efficiency single-cell Li-Ion and Polymer Li-Ion battery solution by controlling the charging process in a variety of ways. The first is by using an advanced switched-mode Power Supply (SMPS) to provide a maximum charging current of up to 1.5A and an adjustable trickle charge of up to 1A. The SMPS provides a constant output voltage and a peak current capability of up to 2A to ensure fast charging and efficient operation.The ISL6258AHRTZ-T also allows the user to set the charging current through the use of an integrated DAC resistor network and other external components if required. This allows the user to customize the charging parameters to match the specific needs of their battery type and application.In addition, the chip is equipped with a Charge Hopping function, which allows the battery charger to automatically switch between two different power supply sources to provide a more stable output voltage. This helps minimize the total charging time, reduce power consumption, and improve the life of the battery. Finally, the ISL6258AHRTZ-T also incorporates protection features such as overvoltage protection, current limit, thermal shutdown, and short circuit to ensure the safe and reliable operation of the battery charger.

Conclusion

In conclusion, the ISL6258AHRTZ-T is a versatile and high-performance battery charger that is suitable for a wide variety of applications. It provides a full charging current with a minimum supply current of only 500uA, while incorporating protection features to ensure the safe and reliable charging of Li-Ion and Polymer Li-Ion batteries. Additionally, the ability to easily customize the charging parameters to match specific battery requirements further expands the range of applications for this high-performance battery charger.

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