RT9709GQW

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Not For New Designs
Moisture Sensitivity Level (MSL):	--
Function:	Battery Protection
Battery Chemistry:	--
Number of Cells:	--
Fault Protection:	Over Current, Over Temperature, Over/Under Voltage
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	12-WFDFN Exposed Pad
Supplier Device Package:	12-WDFN (4x3)

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PMIC - Battery Management: RT9709GQW Application Field and Working Principle

The RT9709GQW is a single analog IC that can be used to manage a variety of battery types, such as lithium-ion, lithium polymer, nickel-cadmium, and nickel-metal hydride. It is a tool for many consumer electronics, from cell phones and notebook computers to tablets and wearables. Because of its low-power consumption, this IC can provide long-term battery life.

Features

The RT9709GQW includes key features such as Thermal Regulation and Over-Current Protection. On the one hand, Thermal Regulation helps to best manage the temperature of the battery. It does this by controlling the current and voltage charging/discharging rate and turn off the charging/discharging process when the temperature reaches certain levels. On the other hand, Over-Current Protection feature helps prevent damage caused by excessive current. It can quickly detect any over-current load on the battery and activate protection functions to shut down the system protection. Thus, the RT9709GQW can protect your device against any damage caused by over-current.Also, the RT9709GQW can be used with a variety of battery chemistries. It supports both 4-Cell series and 4-Cell parallel battery configurations, allowing you to increase both battery storage capacity and power delivery. Additional features include Over Voltage Protection (OVP), Over Discharge Protection (ODP), and two temperature sensors.

Application Field

The RT9709GQW is commonly used in a variety of consumer electronics and can work as an application-specific IC for managing battery chemistry, battery temperature, and current over-load protection. It is ideal for a variety of portable devices, including cell phones, tablets, wearables, and notebook computers.

Working Principle

The RT9709GQ is an analog IC with a built-in temperature sensor and overcurrent protection. It is designed to actively monitor and manage multiple battery chemistries and can detect temperature to maintain optimal power performance. The IC monitors and controls thermal events, such as over temperature, and protects against over-current conditions. The IC also features an Over Voltage Protection (OVP) and Over Discharge Protection (ODP) feature. OVP prevents the battery voltage from exceeding a specified level, and ODP prevents over discharging the battery. Additionally, the RT9709GQW has a 4-cell series and 4-cell parallel configuration, allowing for increased battery storage capacity and power delivery.

Conclusion

The RT9709GQW is a single analog IC for a variety of portable and consumer electronics applications. It can manage a variety of battery types, provide long-term battery life, and protect against over-current events. It also has a 4-cell series and 4-cell parallel configuration to increase battery storage capacity and power delivery. The OVP and ODP feature further add to the convenience of the IC. Therefore, this RT9709GQW is ideal for a variety of consumer electronic devices, including cell phones, tablets, wearables, and notebook computers.

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