MAX6725KAVHD3+T

Series:	--
Packaging:	Strip
Part Status:	Active
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	3
Output:	Open Drain, Open Drain
Reset:	Active High/Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	1.313V, 1.575V, Adj
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SOT-23-8
Supplier Device Package:	SOT-23-8

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Introduction

MAX6725KAVHD3+T is a family of advanced power management integrated circuits (PMICs) that manages the power requirements of electronic systems ranging from portable devices to complex data center, server, and telecom equipment. PMICs fulfill critical roles in power delivery and control functions, often delivering the highest levels of power conversion efficiency and the longest lifetimes, the key features that enable small form factors and the extended lifecycles that customers seek for their systems.As part of the PMIC portfolio, the MAX6725KAVHD3+T PMIC enables a Supervisors solution, with features for over-voltage, over-current, and temperature monitoring and protection. The Supervisors Subsystem allows a safe and reliable operation in harsh operational environments. Together with its related development environment, the MAX6725KAVHD3+T Superior Switches provide the robustness, stability, and flexibility required in system designs.

Application Fields

The MAX6725KAVHD3+T Supervisor is a highly integrated system-in-package device that provides optimized power management for a wide range of applications requiring power management and protection. It features low-on-resistance and low-off-state enable for enhanced Reliability by ensuring fast power path switching.MAX6725KAVHD3+T Supervisor is ideal for automotive applications, industrial, and consumer products requiring intelligent power switching, efficient current monitoring and protection, and system resiliency. It provides an efficient, simple, integrated solution that includes a low-on-resistance power switch and real-time current monitoring and protection.The MAX6725KAVHD3+T Supervisor is ideally suited for powering applications that protect the main power source against overcurrent, overvoltage at the load, and overtemperature. Examples of these applications include automotive battery, computer and board-level power protection, UPS systems, and system-level protection. The MAX6725KAVHD3+T Supervisor includes protection logic that can be programmed to automatically shut down in the event of an overamperage, overvoltage, or overtemperature condition. The system can also be configured to automatically reset when the fault condition is removed.

Working Principle

The working principle of the MAX6725KAVHD3+T is based on six main components. The first is the input voltage range which allows the supervisor to monitor a wide range of input voltage, from 4.5V to 20V. This allows the MAX6725KAVHD3+T to be used for both input voltage protection and tracking. The second is the supply voltage, which powers the internal circuitry. The supply voltage is typically 1V, but can be configured to a higher voltage to increase the available current capabilities. The third is the on-resistance switch, which determines the amount of current that can be supplied to the load.The fourth is the overvoltage protection (OVP) which is used to prevent overvoltage events at the point of load. This is done by monitoring the output voltage and shutting off the device in the event of an overvoltage condition.The fifth is the current monitor, which measures the amount of current passing through the power switch. The current monitor features a range of settings, allowing for current limiting and overcurrent protection.Finally, the sixth is the overtemperature protection (OTP) which is used to prevent overheating of the device during use. The OTP can be configured to shut the device off in the event of an overtemperature condition.

Conclusion

The MAX6725KAVHD3+T PMIC provides a comprehensive solution for power management and protection, offering features for over-voltage, over-current, and temperature monitoring and protection. By combining these features with a low-on-resistance power switch and real-time current monitor, it provides a robust and efficient power solution for a range of automotive, industrial, and consumer applications. This system offers the flexibility, efficiency, and reliability necessary in today\'s power management design. Its efficient design can help to maintain lower power consumption levels, while its robust protection system ensures superior performance, longer lifetimes, and overall system reliability.

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