XC6108N16BGR-G

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Power Management Integrated Circuit (PMICs) are used in portable electronic devices like smart phones, laptops, tablets and wearable electronics. Supervisors, as one of its sub-category, measure output voltage, compare it with reference level, and take action depending on the result. The XC6108N16BGR-G, is one of its advanced supervisors, with a number of advanced features for different application fields.The XC6108N16BGR-G integrates a synchronous step-down DC/DC converter (buck converter) for load on/off control, a delay timer with additional startup time adjustment capability, a 0.7% precise reference voltage and an internal regulator. It features an excellent voltage accuracy of 0.15%, a built-in 12V-tolerant level shifter, and a powerful dynamic monitoring system that allows precise regulation regardless of variations in load and line. It is packaged as a small G-Type BGA that allows high-density mounting.The XC6108N16BGR-G is applicable for many different application fields, such as battery-powered LED illumination systems, industrial datacom peripherals, and portable AC/DC-powered consumer products for low-power applications. Moreover, it can be used as an active discharge device for secondary or tertiary battery packs, as it has built-in overdischarge protection.The basic working principle of the XC6108N16BGR-G is similar to other supervisors. When power is applied, this supervisor increases the output voltage gradually by charging an external timing capacitor. During the charging process, a block voltage comparison (BVC) is performed to compare this voltage with a 0.7V bandgap reference voltage. When two voltages are equal within 0.1V range, the power output will be enabled/disabled according to the result of comparison. During charging, the supervisor doesn\'t limit the output voltage, so the output voltage of power source can be compared to this reference voltage so that the error can be eliminated.Alternatively, XC6108N16BGR-G controlled by the VIB3 input. This input is used to detect voltage drops below the reference voltage. When the VIB3 pin is low, the power control circuit is disabled and the load disconnected, thus avoiding potential damage to the system.In summary, the XC6108N16BGR-G is an advanced supervisor that features excellent voltage accuracy, a built-in 12V tolerant level-shifter, and an internal regulator, making it applicable for many different application fields, such as battery-powered LED illumination systems, industrial datacom peripherals, and portable AC/DC powered consumer products. It has a basic working principle of increasing the output voltage gradually and then running a comparison between this voltage and the reference voltage. The power output can then be enabled/disabled depending on the result of this comparison. Its VIB3 input also helps protect the device from potential damage.

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