BQ24032RHLR

Series:	bqTINY™ III
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	1
Current - Charging:	Constant - Programmable
Programmable Features:	Current, Timer
Fault Protection:	Over Temperature, Reverse Current, Short Circuit
Charge Current - Max:	1.5A
Battery Pack Voltage:	4.2V
Voltage - Supply (Max):	16V
Interface:	USB
Operating Temperature:	-40°C ~ 125°C (TJ)
Package / Case:	20-VFQFN Exposed Pad
Supplier Device Package:	20-VQFN (3.5x4.5)
Base Part Number:	BQ24032

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PMIC - Battery Chargers: BQ24032RHLR Application Field and Working Principle

Battery charging is essential for the power utility and availability of a variety of portable electronic products, ranging from cellular phones and tablet computers to medical diagnostic equipment and electric vehicles. As the popularity of these products continues to grow, the need for more efficient, reliable, and cost-effective approaches to battery charging has increased. The BQ24032RHLR is an advanced battery charge controller designed to maximize battery life, improve reliability, and reduce system cost. This article will discuss the application field and working principles of the BQ24032RHLR.The BQ24032RHLR is capable of both constant-voltage/constant-current (CV/CC) charge as well as pulse-charging (PC) of 3.6V-17V Lead Acid and Li-ion batteries of various sizes. It provides a variety of safety features to protect the battery from damage caused by overcharging, including overvoltage protection, overcurrent protection, over-temperature protection, and short circuit protection. It is particularly suited for applications requiring high efficiency and low quiescent current.The BQ24032RHLR supports both direct input from AC or DC power supplies as well as multiple power inputs with a wide range of input voltages. This feature allows the charge current of the input power to be optimized for maximum efficiency. Additionally, the BQ24032RHLR also supports automatic power fail/recovery to transition between modes as the power supply voltage drops or rises.The BQ24032RHLR implements an advanced three-phase algorithm which allows it to operate in both constant-voltage and constant-current mode. In CV mode, the BQ24032RHLR regulates the voltage of the battery to the desired level while in CC mode the current flowing through the battery is regulated to the desired level. The BQ24032RHLR also includes a powerful pulse-charging algorithm which allows for high-efficiency charging of Li-ion batteries. This algorithm reduces the battery\'s charging time and improves its long-term cycle life.The BQ24032RHLR is designed to be integrated with a wide variety of industrial, medical, and consumer electronics applications. It provides a variety of features to enable simplified design, programming, and integration into existing systems. These features include multiple safety features, wide input range, low profile, integrated charge control registers, remote power source selection, and an advanced battery charging algorithm.The BQ24032RHLR is a powerful and efficient tool for managing the charging of various battery types and sizes. Through its wide input range, numerous safety features, and integrated charge control registers, it provides a cost-effective approach to battery management. Its advanced algorithm and ability to support multiple power inputs make it an attractive option for a variety of applications.

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