MAX6408BS23+T

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Integrated circuits (ICs) for power management, often called power management ICs, are essential components for modern electronics. They play an important role in improving system efficiency, reducing component count and cost, and optimizing power distribution and control. The MAX6408BS23+T is a good example of a power management IC from Maxim Integrated. This multi-purpose device provides field-proven, reliable system power monitoring and control for applications in industrial, medical, automotive, telecommunications, and general equipment.

Applications of MAX6408BS23+T

The MAX6408BS23+T belongs to the range of Supervisors, a power management IC family designed to provide enhanced power monitoring and control. It is an accurate, low-cost voltage supervisory IC designed to monitor up to +5V power supplies and system power-on. This advanced low-power detection circuit can replace circuits made of comparators and reference ICs. Apart from power management, the MAX6408BS23+T is also ideal for use in circuits that require reset delays or timing delays. Few of its primary applications include:

• UPS (Uninterruptable Power Supplies)
• PDAs and Tablet PCs
• High-quality audio systems
• Mobile phones
• IR stations
• Battery-powered systems
• Smart metering systems
• Industrial control systems
• In-car infotainment systems

Features of MAX6408BS23+T

The MAX6408BS23+T features an active-LOW reset output, user-selectable debounce logic, and a fast reset delay time (tDLY) independent of debounce logic. This versatile device also features dual N-channel MOSFET outputs, an isolated manual reset input, an active-LOW watchdog timer output, an active-HIGH manual reset output, and watch function capability.

• Voltage Monitor Detector (VMON)
• Input Voltage Range of +2.375V to +5.5V
• Output Resistance (VMON) of 10KΩ Maximum
• Isolated Manual Reset Inputs (MR)
• Watchdog Timer Output Supports 555-type Oscillator
• Debounced Active-LOW Manual Reset Output (MR)
• Fast Reset Delay Time tDLY of 0.6ms Typ.
• PWDN and MBNF Input/Output Voltages Compatible
• Total Reset Delay Time Adjustable
• Active-LOW Manual Reset Output (MR)
• Output Driver Controlled by RESET or Watchdog Time-Out
• Fast Reset Delay Time (tDLY) Independent of Debounce Time
• High-True Logic Compatible Resets

Working Principle of MAX6408BS23+T

The MAX6408BS23+T is a voltage monitor detector with an input voltage range of +2.375V to +5.5V and an output resistance of 10KΩ maximum. This advanced device has an active-LOW reset output, user-selectable debounce logic, and a fast reset delay time (tDLY) independent of debounce logic. Total reset delay time is adjustable. There are two internal reference voltage supplies Vhub and Vref. Vref is the reference for the adjustable reset trip point, and Vhub is the reference for monitoring the input voltage. When the voltage at VMON goes below Vref, the reset is activated, and RESET goes LOW. When the voltage rises above Vref, RESET is released, and is pulled HIGH through its pull-up resistor.

The MAX6408BS23+T is capable of monitoring a main +5V power supply and an auxillary +3V input. Both of these power supplies are monitored by the internal comparator. If either of these voltages goes below the trip point, the reset output is activated. In addition, the watchdog timer output will also be activated in order to prevent reset cycling or continuous resetting. This will help maintain system stability.

The MAX6408BS23+T is also capable of controlling a non-volatile memory device, such as a battery-backed-up DRAM, in order to maintain system control even during power-down conditions. In addition, it is equipped with a PWDN input to control the reset and allow manual resetting. The device also features isolated manual reset inputs, as well as debounced active-LOW manual reset outputs. This allows users to manually reset the system if necessary.

The MAX6408BS23+T is a versatile power management IC that provides field-proven, reliable system power monitoring and control for a variety of applications. Its primary use is for system power-on and reset management, but it can also be used for timing delays and reset delays. Its low power consumption and reliable performance make it an ideal choice for any system power management requirements.

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