MCP101-300HI/TO

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PMIC Supervisors are critical components in embedded systems used to protect circuits and systems from unexpected events such as power outages, unexpected spikes in power, and other external stimuli. The MCP101-300HI/TO is an example of one such PMIC Supervisor used to safeguard devices against such occurrences. This article will provide an overview of the application fields and the inner workings of the MCP101-300HI/TO.

Application Fields

The MCP101-300HI/TO is a step above basic supervisor devices, featuring an integrated voltage regulator, making it ideal for use in industrial, automotive, and telecommunications sectors. With its wide input range of 2.5V to 14V, the MCP101-300HI/TO can be used in a variety of applications including:

• Industrial Field Bus and Control applications.
• Industrial, automotive and telecom automation systems.
• MCU and ASIC supply monitoring.
• Backup power supply systems.
• PoE (power over Ethernet) systems.
• Server and telecom power systems.

This device is also ideal for extending battery life in portable equipment, such as wireless devices, as well as mission-critical industrial systems that require reliable, secure protection. Its market-leading power consumption of just 3.2µA, makes the device ideal for applications where power savings are essential.

Pin Configuration

The MCP101-300HI/TO is available in three package types, each with its own distinct pinouts. The 6 pins of the QFN package are labelled as follows: VDD, GND, TEMP, RESETB, TEST, and Window.

VDD is the power input pin, where the power supply should be connected. GND is the ground pin, where the ground reference voltage is connected. TEMP is the temperature sense pin, used to measure the temperature of the device. RESETB is the reset output pin; when signal is high, the device will be in the reset state. TEST is the test pin, used for production testing. Finally, Window is the window voltage input pin, which is used to determine the device\'s reset threshold.

Features and Benefits

The MCP101-300HI/TO offers several additional features and benefits to customers. The device offers selectable reset thresholds of 3V, Detect Latch, and LED. Its integrated high current circuit blocker prevents false resets when monitoring razor-sharp transition inputs. Finally, it has an integrated voltage regulator, allowing the device to maintain performance even if supply voltage varies.

The MCP101-300HI/TO is also fully compliant with the latest industry standards and regulations, including RoHS and H&S. Additionally, the device features a built-in reset time-delay for generating reset timeouts, making it suitable for applications where power needs to be maintained for a specific amount of time.

Working Principle

The MCP101-300HI/TO works by monitoring the input voltage. When the input voltage drops below the preset threshold, the device will output a reset signal and activate external power supplies if necessary. The device also uses an onboard temperature sensor to ensure that the system temperature remains within the specified limits. When the temperature increases beyond the set limits, the device will trigger a reset signal. Finally, the device will also detect if the input voltage lies outside the window voltage input pin range, and cause a reset if required.

Conclusion

The MCP101-300HI/TO is a robust PMIC Supervisor which is well-suited for use in industrial, automotive, and telecommunications applications. Its selectable reset threshold and integrated high current circuit blocker make it an ideal choice for mission-critical systems. Its 3.2µA power consumption and support for the latest industry standards and regulations make it an efficient device for use in power saving applications. All in all, the MCP101-300HI/TO is a reliable and cost-effective choice for embedded system designers.

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