XC6118N49BGR-G

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Power Management Integrated Circuits (PMICs) are an increasingly important part of the modernized industrial production system, the proliferation of mobile devices, and the numerous technologies that inhabit the Internet of Things (IoT). Supervisors are just one part of this collection, with XC6118N49BGR-G being a particularly robust model that offers complex features in a single chip solution. In this article, we will discuss the application field and working principle of XC6118N49BGR-G.

XC6118N49BGR-G is a multifunctional supervisor IC that provides 3.2 V to 5.5 V operation and is designed for use in either 3.3V or 5V systems. In general, XC6118N49BGR-G is designed to allow for power sequencing, reset, and system protection functions in a compact 4-pin SOT-23 package. The XC6118N49BGR-G is available with adjustable ramp rates, open drain reset flag outputs, and adjustable reset thresholds and delay. Its nominal reset voltage range is 1.6 V to 5.5 V and can operate with a single battery source as low as 2.6 V.

Applications of XC6118N49BGR-G include cellular phones and other portable devices, digital cameras, PDAs, and portable media players. These devices often include CMOS static RAM and ASICs, as well as digital logic, analog, and microprocessors. Inside these devices, the XC6118N49BGR-G can help improve system reliability and power management by providing power sequencing for low power standby, surge protection for system reset, and monitoring and resetting external devices.

XC6118N49BGR-G features a voltage supervisor that consists of a comparator and a time-based delay configured to provide a system reset. The comparator uses two resistors to define the voltage threshold, while the delay is configured using an external capacitor. When the supply voltage drops below the threshold, the comparator generates a reset signal, and the delay ensures that the reset is not activated until the voltage has remained below the threshold for a predetermined amount of time. When the power supply resumes, the reset is deactivated.

In addition to its voltage monitor and reset circuit, XC6118N49BGR-G also contains a supervisor circuit that monitors the state of an external system, allowing it to be reset if it trips or fails. It can be used to monitor the state of a microcontroller, ASIC, FPGA, or digital logic component and reset the whole circuit when it malfunctions. This can improve system reliability and prevent abnormal operation.

XC6118N49BGR-G also features a low voltage reset (LVR) circuit, which provides an additional layer of protection for the system. The LVR circuit is triggered when the supply voltage drops below the preset threshold, causing the reset indication to go active and the device to reset. This functionality ensures that the system is not damaged or malfunctioning due to low voltage conditions.

In conclusion, XC6118N49BGR-G is a powerful and versatile supervisor IC designed for 3.2V to 5.5V systems. It is capable of monitoring and resetting external devices, issuing reset signals in response to low voltage conditions, and providing power sequencing and system protection. The XC6118N49BGR-G is widely used in a variety of device types, making it an ideal choice for reliable, efficient power management.

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