XC6123C540ER-G

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Watchdog Circuit
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	400 ms Typical
Voltage - Threshold:	4V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	6-UFDFN Exposed Pad
Supplier Device Package:	6-USPC (1.8x2)

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XC6123C540ER-G Application Field and Working Principle

The XC6123C540ER-G is aPMIC (Power Management Integrated Circuit) which issupervisorthat specializes in controlling overvoltage/undervoltage/overcurrent protection for LED lighting applications. Thissupervisoris able to provide Constant Current LED drivers with protection support, assuring circuitry and LED\'s remain safe from potentially damaging events. The XC6123C540ER-G is designed to provide very low operating current consumption of only 10uA in operation and 5uA in shutdown modes, provided by the on-chip internal digital circuitry and the over voltage protection.

Application Field

The XC6123C540ER-G is ideal for applications such assolar street lights, downlights, spotlights, advertising decorative light, and otheremergency lightingapplications; as well as more generalpurpose systems like off-grid inverters, telecom base stations, industry control systems, switches, smart home products, etc.

Main Features

The XC6123C540ER-G is suitable for operating temperature ranges from -40 to +85◦ C, and provides a wide operating voltage range from 2.5V to 32V. It offers multiple protection functions for the system, including overcurrent protection for constant current control, overvoltage protection for lightning protection, undervoltage protection and external temperature protection to ensure safe operation.Thissupervisoris also equipped with a user-friendly package that includes an easy-to-use interface with a low output on resistance and low current low dropout/standby current for clean, fuel-efficient operation. The package comes with a programmable maximum current up to 4A, allowing the user to quickly fine-tune the current output to achieve desired illumination and color.

Working Principle

The XC6123C540ER-G power management integrated circuit is designed to protect LED lighting applications from potential damaging events. TheSupervisionworks by monitoring several key aspects of the system, including voltages, currents and temperatures, and will activate when protection thresholds are exceeded.When the voltage of the LED device rises above the overvoltage threshold (OVT), the XC6123C540ER-G will begin to decrease the amount of current supplied to the LEDs. This helps to protect the LEDs from excessive voltage, preventing the LEDs from being damaged.The XC6123C540ER-G also monitors the temperature of the LED device, and will cut off the current to the LEDs if the temperature rises above its preset threshold. This helps to protect the LEDs from excessive thermal damage, improving the longevity of the LED device.In addition, when the voltage supplied to the LED device drops below the undervoltage threshold (UVT), the XC6123C540ER-G will stop supplying the current to the LEDs. This prevents the power supply from becoming overheated, while helping the LEDs to remain safe.Finally, the XC6123C540ER-G is also equipped with overcurrent protection, which will shut off the current flow if the device detects an excessive level of current being supplied to the LED. This helps to protect the LED device from being destroyed due to excessive currents.

Conclusion

The XC6123C540ER-G is an advanced PMIC (Power Management Integrated Circuit) designed to provide robust protection for LED lighting applications. Thissupervisoroffers a wide range of protections, including overvoltage/undervoltage protection, overcurrent protection, and temperature protection. It also comes with an easy-to-use interface and a programmable maximum current of up to 4A, allowing the user to quickly fine-tune the current output to achieve desired illumination and color. In addition, the XC6123C540ER-G is equipped with an ultra-low operating current consumption and a wide operating temperature range, providing efficient and reliable power management for LED lighting applications.

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