BQ24297RGER

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	1
Current - Charging:	Constant - Programmable
Programmable Features:	--
Fault Protection:	Over Current, Over Temperature, Over Voltage
Charge Current - Max:	3A
Battery Pack Voltage:	4.2V
Voltage - Supply (Max):	6.2V
Interface:	I²C
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	24-VFQFN Exposed Pad
Supplier Device Package:	24-VQFN (4x4)

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BQ24297RGER - PMIC - Battery Chargers

The BQ24297RGER is a power management integrated circuit (PMIC) designed for battery are charging applications. It has a range of features that makes it well-suited for battery charging applications in smartphones,wearables and other portable devices. The BQ24297RGER uses an advanced current source technology to allow for power delivery up to 30W and a low-power dissipation state to minimize power consumption. It has a wide input voltage range (3.3V to 28V) that is suitable for most current Li-ion or Li-Po battery chemistries and enables the use of portable charging sources to charge the battery. It supports over-voltage, over-current and over-temperature protection, allowing safe battery charging. In addition, the BQ24297RGER has an intelligent sensing information feature that allows the charging process to be monitored and controlled remotely. The BQ24297RGER features an adjustable charge current limit to protect the battery from overcharging and an adjustable input current limit to optimize charging efficiency. It provides a 4.2V charge current range from 150mA to 1.5A, allowing for low-power charging applications, as well as a rapid charge rate of up to 30W. Additionally, the power-on reset feature ensures the battery charger circuitry is initialized and ready for operation when plugged in to the power source.The BQ24297RGER also has a low-power shutdown feature to turn off the power-path when battery voltage falls to 0V. The BQ24297RGER is designed to have a low total component count which reduces the cost and size of the device, as well as ease of design. The device can be configured and controlled by a host processor or microcontroller.The BQ24297RGER provides an efficient way to charge rechargeable batteries, and its advanced features make it an attractive option for battery are charging applications. Its wide input voltage range, adjustable current limits, and other features are designed to ensure the battery and device are both safely charged at all times. As a result, it is suitable for use in a wide variety of portable devices, such as smartphones, wearables and other electrically powered systems. The BQ24297RGER has been utilized in a variety of battery are charging applications, including a medical monitoring device that utilizes a rechargeable LIP battery to provide uninterrupted power and allow for remote monitoring. In this application, a high-efficiency buck regulator is used to power the device while simultaneously charging the battery. The BQ24297RGER monitors the input current and adjusts the charge current and voltage based on the charging profile while ensuring the battery is not overcharged or damaged. The BQ24297RGER has also been integrated into a small form factor power supply that is designed to charge Li-ion batteries in the home or car. The device monitors the input current and automatically adjusts the charge current and voltage based on the battery characteristics, providing a safe, efficient charging experience for the user.In conclusion, the BQ24297RGER is a PMIC designed for battery are charging applications. It has a wide input voltage range, adjustable current limits and other features that make it an attractive option for battery charging in portable devices. Its efficient charging capabilities, coupled with its low total component count, make it well-suited for battery are charging applications in smartphones, wearables, and other electrically powered systems.

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