RT9468GQW

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	1
Current - Charging:	Constant - Programmable
Programmable Features:	Current
Fault Protection:	Over Current, Over Temperature, Over Voltage
Charge Current - Max:	5A
Battery Pack Voltage:	4.2V
Voltage - Supply (Max):	14V
Interface:	I²C
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	32-WFQFN Exposed Pad
Supplier Device Package:	32-WQFN (4x4)

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RT9468GQW application field and working principle

The RT9468GQW is a member of the RT9468 series of battery chargers from Richtek. This series of battery chargers are high-performance, high-efficiency, multi-channel battery chargers for high-voltage applications.The RT9468GQW is designed to be used in medical applications where high-power, high-efficiency and safety are all important. It is capable of charging multiple lithium ion and other high-voltage batteries in various configurations. It is also designed for low-voltage and high-current applications, where low power losses and high efficiency are key.The RT9468GQW is capable of charging six different lithium ion batteries in single, parallel and dual-channel configurations. Each of the six channels is capable of detecting a different battery type, automatically adjusting its charge parameters to optimize charging. It is also capable of communicating with the host via I2C and SPI interfaces, allowing for the real-time monitoring of battery status, active charge cycle parameters and the real-time balance of each battery cell.The RT9468GQW utilizes a proprietary charge algorithm called “Fast Charge Algorithm”, which is designed to provide faster, more accurate and safer charging of lithium ion batteries. The algorithm uses a multi-stage approach to charge the battery, optimizing the power delivery to suit the battery’s characteristics. This provides a higher efficiency and better safety for the battery, avoiding damage from overcharging.The RT9468GQW features a wide input voltage range from 4.2V to 28V, and a wide output voltage range from 0.7V to 8.8V, allowing it to be used in a wide range of applications. It also features advanced protection functions, including over-voltage, short-circuit and over-temperature protection.In summary, the RT9468GQW is an advanced and feature-rich battery charger for lithium ion batteries in various configurations. It has extensive battery detection and protection features, and utilizes a proprietary charge algorithm for improved accuracy and safety. This makes it perfect for use in medical applications where safety and precision are of utmost importance.

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