XC6118N18CGR-G

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PMIC (Power Management Integrated Circuits) provide power management and management of operating functions for electronic systems, typically providing centralized power control, power efficiency and system-level integration of power management. Supervisors, including XC6118N18CGR-G, provide autonomous reset and protection functionalities, as well as power on/off and reset pulse generation, allowing the system to recover from an undesired state.

XC6118N18CGR-G Application Field

XC6118N18CGR-G is a single-chip power-on reset (POR) circuit specifically designed for embedded system applications. It provides a guaranteed reset pulse width and reset hysteresis. This device is designed to meet various embedded system requirements and features on-chip voltage regulator and a choice of three independent output voltage thresholds for single-chip reset and monitoring power supply. It takes up minimal board space and allows for smaller, more cost-effective designs. XC6118N18CGR-G supervisory circuit is ideal for automotive and industrial applications, including computer systems, industrial controllers, communications systems and PLCs.

Working Principle

XC6118N18CGR-G supervisor protection works on the principle of monitoring a power supply or two power supplies and interrupting the circuit if one of the two supply voltages is outside of the pre-defined levels. The device notifies the processor/controller when the voltage is outside the levels, so that the system can prevent misoperation or malfunction of the application. There is a built-in delay timer which allows several seconds for the voltage to stabilize. When the input voltage goes back within the correct range, the supervisor will reset the system automatically.

The device features a single N-Channel MOSFET pass transistor, three independent output voltage thresholds, a soft start up function, adjustable reset glitch filter and custom delay settings. It also has a built-in fail-safe logic, which auto-detects the power supply voltage with no user adjustment. This feature can quickly disable all logic on the PCB, preventing an unpredictable and possibly hazardous signal. XC6118N18CGR-G also incorporates a slew rate and over-current protection, which reduces power consumption when the device is active.

In summary, XC6118N18CGR-G is an ideal power-on reset supervisor for advanced embedded systems that require maximum system reliability and performance. It offers independent monitoring for two power supply rails with three independent output voltage thresholds and has features such as a soft-start, adjustable reset glitch filter and custom delay settings. The device notifications could be used to notify the processor/controller if the voltage falls outside predefined levels, allowing the system to take preventive measures. It is highly recommended for automotive and industrial applications, including computer systems, industrial controllers, communications systems and PLCs.

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