MIC6315-30D4UY-TR

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MIC6315-30D4UY-TR Application Field and Working Principle

Microchip’s MIC6315-30D4UY-TR is an advanced supervisor IC in the PMIC - Supervisors category that helps provide reliable system power supply monitoring and control by supervising multiple voltage rails. With an automatic reset generation or manual reset on a variety of power supply conditions, this IC is especially suitable for applications that require high precision in various microelectronic systems.

Overview

The MIC6315-30D4UY-TR is a mono-rail supervisor device with an operating voltage range from 2.5V to 5.5V. It offers low-power consumption and low-voltage operation, plus a wide range of reset options, including manual and automatic reset. It also has an onboard VDD monitoring capability and supports up to two-wire interface communication. This IC is available in a 14-lead (3mmx3mm) MLF package and includes a temperature shutdown that triggers a reset at temperatures beyond the specified operating temperature range of -40°C to 85°C.

Features

The MIC6315-30D4UY-TR has several features that make it an ideal solution for applications where robust power supply and precise system monitoring is needed. These features include:

• Supports manual and automatic reset with multiple reset configurations
• Power-on reset duration customizable from 1ms to 200ms
• Optional temperature trip reset available
• 3-channel status output for monitoring power-on and reset status
• Precise on/off threshold voltage control (< +/- 1.5mV)
• VDD monitoring capability with threshold voltages between 1.83V and 4.94V
• Undervoltage lockout (UVLO) reset threshold voltage programmable
• Two-wire interface communication
• Low-power operation and small footprints of 3mmx3mm package

Applications

The MIC6315-30D4UY-TR can be used in a variety of applications such as microcontrollers, portable devices, power management, industrial control systems and battery-powered systems. Its wide operating voltage range and precise reset threshold capabilities make it suitable for portable devices, while its reset options are tailored to a wide range of power management systems and industrial control systems. This multi-purpose supervisor IC is especially useful in battery-powered systems, where its low power consumption offers extended battery life.

Working Principle

The MIC6315-30D4UY-TR works by periodically monitoring the voltage at its VIN pin and comparing it to the preprogrammed reset thresholds that have been stored in its internal registers. If the voltage at the VIN pin drops below the minimum threshold, the IC resets the system. Similarly, if the voltage at the VIN pin increases beyond the maximum threshold, the IC will reset the system. The IC also has a temperature-based sensor that can be used to trigger a reset if the temperature drops beyond the specified operating temperature range. The IC can also be configured for manual reset or signal-controlled reset with an external interrupt.

The MIC6315-30D4UY-TR also has an onboard watchdog timer that helps monitor the system’s performance. This watchdog timer has a programmable timeout period that can be set anywhere between 1 to 256ms. If the timer is not reset during this timeout period, the IC will automatically reset the system.

In addition, the IC has two status pins that can be used to monitor the power-on and reset status of the system. The VSEN pin can be used to monitor the voltage on the supply rails while the WDI pin can be used to monitor the status of the watchdog timer.

Conclusion

The MIC6315-30D4UY-TR is an advanced supervisor IC from Microchip that is suitable for applications requiring reliable system power supply monitoring and control. It offers a wide operating voltage range and a variety of reset options, including manual and automatic reset for various power supply conditions. It also has an onboard VDD monitoring capability and supports up to two-wire interface communication to help ensure that your system is running optimally. This IC can be used in a variety of applications such as microcontrollers, portable devices, power management, and industrial control systems.

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