DS1819BR-5-U

Series:	MicroMonitor™
Packaging:	Tube
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Push-Pull
Reset:	Active High/Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	3.075V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5
Base Part Number:	DS1819

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DS1819BR-5-U

The DS1819BR-5-U is an advanced system power supervisor from Maxim Integrated. As a Polymicrosystems (PMIC) - Supervisors, the DS1819BR-5-U provides system supervision, power management, and power control functions in a very small package size, ideal for use in a variety of space-constrained applications.The DS1819BR-5-U is capable of monitoring over-voltage, under-voltage, reverse-polarity, over-current, and over-temperature conditions that could damage a system. The integrated watchdogs provide comprehensive control over system timing. The DS1819BR-5-U also provides independent shutdown of each supply rail, allowing for graceful system shutdown in the event of a failure.The DS1819BR-5-U provides power sequencing and allow particular rails be powered-on and powered-off in a controlled, safe manner. This ensures a reliable power-up cycle and helps to minimize power glitches and minimize power-on time. The integrated I2C interface provides flexibility in configuration and monitoring of system temperatures, rail voltages, slots, and alarms.In terms of working principle, the DS1819BR-5-U is powered by an external regulator or system power supply. It monitors the main power rails and utilizes a complex algorithm to evaluate the system’s safety and operations conditions. When certain conditions exceed the thresholds set by the regulator, the DS1819BR-5-U will generate an interrupt or initiate a state change to arise the system’s attention. The I2C interface allows for further system investigation and analysis.In terms of applications, the DS1819BR-5-U is suitable for a variety of space-constrained system applications. It is also ideal for industrial and medical applications such as computer, network cards, modems, printers, projectors and storage systems. It is also suitable for automotive applications such as power inverters, battery backup systems, and sensor applications. Additionally, the DS1819BR-5-U can be used in telecommunications, communications and consumer electronics. The device can help a system reduce glitches and optimize the power-on time to make it reliable and fault-tolerant.In conclusion, the DS1819BR-5-U is an advanced system power supervisor from Maxim Integrated. As a PMIC - Supervisors, it provides system supervision, power management, and power control functions in a very small package size. It monitors over-voltage, under-voltage, reverse-polarity, over-current, and over-temperature conditions that could damage the system and provide integrated watchdogs for comprehensive control of system timing. The DS1819BR-5-U is suitable for a variety of space-constrained system applications and is ideal for industries such as automotive, telecommunications, communications and consumer electronics.

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