BQ24012DRCRG4

Series:	bqTINY™
Packaging:	Tape & Reel (TR)
Part Status:	Active
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	1
Current - Charging:	Constant - Programmable
Programmable Features:	Current, Timer
Fault Protection:	Short Circuit
Charge Current - Max:	1A
Battery Pack Voltage:	4.2V
Voltage - Supply (Max):	16.5V
Interface:	--
Operating Temperature:	-40°C ~ 125°C (TJ)
Package / Case:	10-VFDFN Exposed Pad
Supplier Device Package:	10-VSON (3x3)
Base Part Number:	BQ24012

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The BQ24012DRCRG4 is a very popular Power Management IC (PMIC) designed around battery charging. It is designed to provide fast and effective charging to any Li-Ion or 3.7 V battery, including mobile phones, Bluetooth headsets, digital cameras and portable gaming devices.Modern smartphones and gadgets often require high throughput of charging current to ensure fast and reliable charging, and the BQ24012DRCRG4 provides this high throughput. It provides two regulated high-power outputs, VDD and VBAT, that are used for the supply of power and charging.In addition to its high throughput, the PMIC also provides a number of other features. These features include an accurate 4.2V charger circuit, programmable charging current, programmable charging termination, thermal protection and capability monitoring. This IC also provides reverse current protection and input voltage regulation. The BQ24012DRCRG4 is a highly efficient IC, with a peak efficiency of over 92%, making it ideal for applications where energy efficiency is important.BQ24012DRCRG4 is an ideal solution for applications where fast and efficient battery charging is required. It is well suited to mobile phones, Bluetooth headsets, digital cameras and portable gaming devices.The application of BQ24012DRCRG4 works in the following steps. Firstly, the input voltage to the IC is regulated to either VDD (4.2V) or VBATT(3.7V). Secondly, the charger circuit is turned ON and the current is regulated to its designed current according to the programmed current setting. Thirdly, the IC monitors the temperature and adjusts the charging current as necessary to maintain a safe temperature. Finally, if the input voltage is within a certain tolerance, the charger circuit is disabled and the battery is allowed to enter a maintenance mode where its voltage is slowly topped up over time.The BQ24012DRCRG4 is a highly efficient and capable PMIC. Its wide range of features and its high efficiency make it the ideal choice for applications that require fast and efficient charging. It is well suited to mobile phones, Bluetooth headsets, digital cameras and portable gaming devices.

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