LT3651EUHE-8.4

Series:	*
Packaging:	Tube
Part Status:	Obsolete
Package / Case:	36-WFQFN Exposed Pad
Supplier Device Package:	36-QFN (5x6)

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Introduction to the LT3651EUHE-8.4 PMIC - Battery Chargers

The LT3651EUHE-8.4 is a multi-chemistry battery charger, designed specifically for embedded applications. It is especially useful for powering hand-held medical devices and consumer electronics. This Compact PMIC is a highly integrated device for use in low voltage and low current applications, where space and power efficiency are priorities.

Features and Benefits

The LT3651EUHE-8.4 provides a number of benefits when compared to other charging solutions. These include:

• Flexible power management solutions with multi-chemistry compatibility
• Fast Charge capability; up to 4A output current
• High thermal efficiency due to low internal losses
• A wide operating input voltage range; up to 18V
• Integrated protection features, such as over-voltage protection and thermal shutdown

Applications for the LT3651EUHE-8.4

The LT3651EUHE-8.4 is ideal for use in low power applications where space efficiency is a priority. These applications include medical devices, consumer electronics, and energy storage devices. It is also suitable for powering and charging devices such as cameras, laptops, and personal digital assistants.

Working Principle of the LT3651EUHE-8.4

The LT3651EUHE-8.4 is an integrated device that takes an input voltage and converts it to a regulated DC output. The device works by utilizing a feedback loop that constantly monitors the output voltage and adjusts the current flow to maintain the set voltage. This ensures that the output voltage remains constant, even as the battery charging process changes.The LT3651EUHE-8.4 also incorporates several protective features. These include over-voltage protection and thermal shutdown. The over-voltage protection will activate if the output voltage exceeds the set level, causing the device to shut-off current flow until the output voltage is returned to within the correct range. The thermal shutdown feature will activate when the device is subjected to an excessive amount of heat, shutting-off the device until the temperatures have returned to normal. This ensures that the device does not become damaged due to overheating.

Conclusion

The LT3651EUHE-8.4 is a PMIC – Battery Charger designed specifically for low voltage, low current applications. It is a highly integrated device that is particularly suited to powering and charging hand-held medical devices, consumer electronics, and energy storage devices. The LT3651EUHE-8.4 features high efficiency and a wide operating voltage range, while its integrated protection features make it highly reliable.

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