XC6118C08AMR-G

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The XC6118C08AMR-G system supervisors are integrated circuit (IC) devices designed for embedded system monitoring and control, primarily for the purpose of protecting microcontrollers and other components in an application system. Through the use of external resistors and capacitors, these devices can detect voltage, power supply status, or various fault conditions or alarm states within the system, then activate an output signal or generate a reset signal to alert the user and prevent system malfunction. As one of the pioneers in field of Power Management IC (PMIC) supervisors, XC6118C08AMR-G is a cost-effective device that integrates a wide range of system protection and supervision, including UVLO protection, overcurrent protection, overvoltage protection, and undervoltage protection. This provides higher reliability and improved performance against hostile and unknown environmental conditions.

The XC6118C08AMR-G is a single-channel PMIC supervisor that features an operating voltage range of 2.5V to 5V and an operating temperature range of -40°C to +85°C. It is fabricated with advanced CMOS technology and packed in an 8-pin TQFN package, allowing it to achieve considerable savings in board space and cost. The integrated precision reference and comparators enable accurate voltage monitoring, while the integrated clock and timer functions provide users with additional flexibility for system sequence control. Additionally, the built-in reset generator, a watchdog timer, and other signature fault protection functions provide system robustness and reliable operation.

The operating principle of XC6118C08AMR-G is based on the power-on reset (POR) concept, using an independent voltage detector with adjustable delay time to detect the system power supply VDD. When VDD falls below the device\'s undervoltage lockout (UVLO) threshold, an internal reset signal will be generated, resulting in the reset generator populating a logic low “L” onto the reset (RST) output. The RST output will remain at the “L” state until VDD rises to the power-on reset (POR) release voltage, which is around 2.8 V.

Another important feature of XC6118C08AMR-G is the adjustable timer. By connecting external resistors to the EIN pins, users can adjust the timer delay to prevent false reset triggers during system initialization or to provide additional timing control in the event of a power or system fault. The adjustable timer is activated whenever the reset output is “L”, and can be further controlled via an external pin (CTLD) to enable or disable the timer function.

The XC6118C08AMR-G is suitable for applications in the automotive, industrial, computing, communications and consumer fields. For example, in automotive applications, the XC6118C08AMR-G can be used for engine control unit protection, power supply ripple monitoring in DTV systems, surge protection in telecommunication equipment and module supervision in metering systems. Furthermore, the built-in UVLO detection can also be used to protect components against accidental high voltage or overcurrent conditions.

In summary, the XC6118C08AMR-G is a cost-effective PMIC supervisor that integrates a wide range of system protection and supervision. It can monitor voltage power supply status and multiple fault conditions, then generate output signals or reset signals to prevent system malfunction. By connecting external resistors to the EIN pins, the timer delay can be adjusted to prevent false reset triggers during system initialization or provide additional timing control in the event of a power or system fault. With these capabilities, the XC6118C08AMR-G can be used in a variety of automotive, industrial, computing, communication and consumer systems, helping to ensure system reliability and improve performance under hostile and unknown environmental conditions.

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