MIC6315-44D2UY-TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	20 ms Minimum
Voltage - Threshold:	4.38V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-253-4, TO-253AA
Supplier Device Package:	SOT-143
Base Part Number:	MIC6315

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Introduction
The MIC6315-44D2UY-TR is a power management integrated circuit (PMIC) designed by Micrel Semiconductor specifically for consumer electronics applications such as digital cameras, cell phones, and personal digital assistants (PDAs). It is a part of the Micron Supervisory family of PMICs and provides reset, reset monitoring, power-failure warning, and other functions essential to the proper functioning of consumer electronic devices. The MIC6315-44D2UY-TR helps to ensure that digital devices are able to wake up from sleep mode, remain on during power interruptions, and produce accurate reset pulses.
Functionality
The MIC6315-44D2UY-TR is a supervisor IC specifically optimized for mobile consumer electronics applications. It features a range of functions designed to ensure reliability, performance and cost-effectiveness in a variety of applications. These include:

• Voltage Supervisor/Monitor. The MIC6315-44D2UY-TR contains four independent voltage supervisors/monitors. Each supervisor can be used for fixed voltage monitoring, voltage threshold detection and power-failure warning.
• Reset Monitor/Generator. The MIC6315-44D2UY-TR contains a reset monitor and generator with a wide range of features. These include an adjustable reset threshold level and reset timeout period.
• Watchdog Timer. The MIC6315-44D2UY-TR contains an adjustable watchdog timer for system monitoring. It can also be used with an external clock for frequency monitoring.
• Power-On Reset/Sofware Reset. The MIC6315-44D2UY-TR provides a power-on reset and software reset.
• Power Good Output. The MIC6315-44D2UY-TR provides a power-good output signal to indicate when the power supply is stable.
• Soft Start/Brown-Out Detection. The MIC6315-44D2UY-TR provides a soft-start circuit to avoid current spikes and brown-out detection to prevent device shutdown during low voltage conditions.
• Under-Voltage/Over-Voltage Detection. The MIC6315-44D2UY-TR provides under-voltage and over-voltage detection to detect faults in the power supply.
• Over-Temperature Protection. The MIC6315-44D2UY-TR provides thermal diode protection for device protection during extreme temperatures.

Application Field
The MIC6315-44D2UY-TR is specifically designed for mobile and consumer electronics applications where precise system monitoring, reset, power-failure and other functions are essential. It is particularly suitable for digital cameras, cell phones and PDAs because these devices often operate under varying conditions and require dependable mechanisms to ensure the smooth functioning and operation. Additionally, the MIC6315-44D2UY-TR’s low power consumption and small package size make it highly suitable for mobile applications where size and power savings are essential.
Working Principle
The MIC6315-44D2UY-TR contains a variety of components and mechanisms designed to ensure the reliable operation of electronic devices. At the heart of the system is the supervisor block, which monitors the power supply and triggers a reset or an alert signal if the power supply fails or is outside operating parameters. This block also features an adjustable reset threshold level, reset timeout period and watchdog timer for system monitoring. The other components of the MIC6315-44D2UY-TR include a power-good output, soft-start circuit, under-voltage and over-voltage detection, as well as over-temperature protection. These features help to ensure reliable operation and prevent faults from occurring in devices that contain the MIC6315-44D2UY-TR PMIC.
Conclusion
The MIC6315-44D2UY-TR is a power management integrated circuit designed by Micrel Semiconductor specifically for mobile and consumer electronics applications. It is a part of the Micron Supervisory family of PMICs and provides a range of functions designed to ensure reliability, performance and cost-effectiveness in a variety of applications. The MIC6315-44D2UY-TR contains a supervisor block, power-good output, soft-start circuit, under-voltage and over-voltage detection, as well as over-temperature protection which help to ensure reliable operation and prevent faults in devices that contain the MIC6315-44D2UY-TR PMIC.

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