MAX16055CAUB+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	6
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	6 Selectable Threshold Combinations
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package:	10-uMAX
Base Part Number:	MAX16055

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Introduction

Maxim Integrated\'s MAX16055CAUB+T is an advanced two-channel voltage supervisor IC. It integrates the sequential turn-on protection, over-current protection and under-voltage detection for both voltages into a single IC. This makes it ideal for reliable and efficient power management for systems powered by a dual voltage supply.

Features

The MAX16055CAUB+T features a sequential turn-on overcurrent protection, under-voltage detection and reset generation, making it ideal for any system which is powered by a dual voltage rail. It also features a high accuracy threshold voltage of ±2.5%, while still offering extremly low start-up and shutdown current consumption of only 30μA and 30nA, respectively. In addition, the MAX16055CAUB+T has an ultra-low quiescent current of 2μA and a fast delay time of 40µs.

Application Fields

The MAX16055CAUB+T is commonly used for STDs, telecommunications equipment, USB ports, system reset generators and temporary power applications in industrial equipment. It can also be used as an essential part in a Hot Swap circuit due to its fast turn-on and shutdown sequence. The MAX16055CAUB+T is ideal for modern power supply architectures and distributed power systems including servers, PCs, routers, switches and printers. The MAX16055CAUB+T can also be used in automotive, industrial and military applications.

Working Principle

The MAX16055CAUB+T is a highly effective device that consists of two voltage supervisors that can monitor and take action when the voltage on either of the inputs rises outside a predetermined level. Firstly, the high voltage VH pin is monitored with a comparator. If the voltage exceeds the high threshold set internally, the device will turn off the power outputs and place the device in reset. Secondly, the low voltage VL pin is monitored with another comparator. If the voltage falls below the low threshold set internally, the device will also turn off the power output and place the device in reset. After the appropriate thresholds have been achieved, then the MAX16055CAUB+T will turn on the power outputs, allowing normal operation of the system. The MAX16055CAUB+T also has a restart pulse output which can be connected to an external controller, allowing simple control with external reset pins.

Conclusion

The MAX16055CAUB+T is an advanced two-channel voltage supervisor IC which integrates the sequential turn-on protection, over-current protection and under-voltage detection for both voltages into a single IC. This makes it ideal for reliable and efficient power management for systems powered by a dual voltage supply. It is commonly used for STDs, telecommunications equipment, USB ports, system reset generators and temporary power applications in industrial equipment. With its high accuracy threshold voltage of ±2.5%, extremely low start-up and shutdown current consumption, ultra-low quiescent current and fast delay time, it is the perfect choice for any system which requires a fast and reliable voltage supervisor.

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