MIC6315-44D2U TR

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Application of MIC6315-44D2U TR and Its Working Principle

Power management IC (PMIC) is a major branch in the electronics industry. It is used most commonly in automotive, medical, home entertainment and industrial applications. Supervisors are a type of PMICs, designed for monitoring and protecting the power supplies for any system. The MIC6315-44D2U TR is an open drain active-low reset supervisor from Microchip Technology Inc. and it is specifically designed for automotive and industrial applications. This article will explain the application field and the working principle of the MIC6315-44D2U TR.

Application Field of MIC6315-44D2U TR

The MIC6315-44D2U TR belongs to the AUTO-GATE family, which is a series of supervisors mainly designed for automotive and industrial applications. These supervisors are specifically designed to provide an advanced reset function, as well as to control the sequencing and safeguarding of the power supplies. The MIC6315-44D2U TR offers a fast-response monitored reset signal which is intended for automotive applications where high reliability and performance is essential. The IC features an innovative architecture that allows for the monitoring of multiple supply rails in order to ensure power is healthy during the system boot-up and post-reset. The MIC6315-44D2U TR is a low threshold voltage device (1.7V) with an open drain active-low reset output and it features do-164-style packaging, a typical operating temperature range of -40°C to 125°C and a wide supply voltage range of 2.3V to 5.5V.

Working Principle of MIC6315-44D2U TR

The MIC6315-44D2U TR provides an active-low reset signal that goes low when the monitored supply voltages fall below their specified thresholds. The active-low reset signal (RESET) initially goes low when the supply voltage falls below the set trip point value. But, it is sustained only if the supply voltage fails to rise above the trip point value within the specified reset time interval; after which the device may revert to normal operation. The time interval during which the RESET is active can be programmed by varying the external resistor and capacitor values. The MIC6315-44D2U TR is designed for applications with multiple supply rails and low current draw, making it an ideal choice for automotive and industrial applications.

The MIC6315-44D2U TR utilizes a wide range of supply voltage and a low trip point value of 1.7V, meaning that it can be used to monitor and protect lower power supply rails in systems with limited resources. It can also be used to monitor high-frequency supplies with low inrush current. The MIC6315-44D2U TR is capable of operating in both 12V-tolerant and 24V-tolerant system configurations, making it ideal for automotive applications.

The MIC6315-44D2U TR provides an efficient active-low reset signal when the monitored supply voltages fall below the specified threshold. It is further capable of implementing pre-configured reset timings, making it easier to use than other supervisors with pre-set reset timings. The device also features low-current draw, low-threshold voltage and do-164-style packaging, making it an ideal choice for automotive and industrial applications.

In conclusion, the MIC6315-44D2U TR is an advanced reset supervisor designed for automotive and industrial applications. It offers a fast-response monitored reset signal that goes low when the monitored supply voltages fall below the specified threshold. It is capable of implementing pre-configured reset timings, making it ideal for automotive, medical, home entertainment and industrial applications. Thanks to its wide range of supply voltage and a low trip point value of 1.7V, the MIC6315-44D2U TR can be used to monitor and protect low-voltage power supply rails without compromising the system\'s performance.

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