MAX16024PTBS25+T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Supervisors
• Characteristics: Low-Power, Single/Dual/Triple-Voltage Monitoring, Manual Reset Input, Active-Low/Active-High Reset Output, Adjustable Reset Threshold, Watchdog Timer, Power-On Reset Delay, Push-Pull/Open-Drain Reset Output, 2.5V Fixed Threshold
• Package: SOT-23-5
• Essence: The MAX16024PTBS25+T is a voltage supervisor IC designed to monitor the power supply voltage levels and provide reset signals to microcontrollers, microprocessors, or other digital systems.
• Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Voltage: 2.5V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 3µA (typical)
• Watchdog Timer Timeout Period: 1.6s (typical)
• Manual Reset Input Threshold Voltage: 0.8V (typical)
• Reset Output: Active-Low (Open-Drain)
• Power-On Reset Delay: 20ms (typical)

Pin Configuration

The MAX16024PTBS25+T has a total of 5 pins arranged as follows:

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Pin Number | Pin Name | Description --- | --- | --- 1 | GND | Ground 2 | MR | Manual Reset Input 3 | RESET | Reset Output 4 | VCC | Supply Voltage 5 | N/C | No Connection

Functional Features

1. Voltage Monitoring: The MAX16024PTBS25+T continuously monitors the supply voltage and asserts a reset signal when it falls below the preset threshold.
2. Manual Reset Input: The MR pin allows for manual resetting of the device by asserting a low-level input.
3. Adjustable Reset Threshold: The reset threshold can be adjusted using external resistors to suit different voltage requirements.
4. Watchdog Timer: The integrated watchdog timer ensures that the system is reset if it becomes unresponsive or hangs.
5. Power-On Reset Delay: The device provides a power-on reset delay to allow the power supply to stabilize before releasing the reset signal.

Advantages and Disadvantages

Advantages: - Low-power consumption - Wide supply voltage range - Adjustable reset threshold - Integrated watchdog timer - Small package size

Disadvantages: - Limited number of pins for additional functionality - Fixed reset output type (active-low, open-drain)

Working Principles

The MAX16024PTBS25+T operates by comparing the supply voltage with the preset threshold. When the supply voltage drops below the threshold, the reset output is asserted, indicating a power failure or an out-of-range condition. The reset signal remains active until the supply voltage rises above the threshold and the reset timeout period elapses. The device also includes a watchdog timer that must be periodically serviced to prevent a system reset.

Detailed Application Field Plans

The MAX16024PTBS25+T finds applications in various fields, including:

1. Battery-Powered Devices: It ensures proper operation by monitoring the battery voltage and initiating a reset if the voltage drops below a certain level.
2. Embedded Systems: It provides a reliable reset signal to microcontrollers and microprocessors, ensuring proper initialization and preventing erratic behavior.
3. Industrial Control Systems: It helps maintain system integrity by monitoring the power supply voltage and initiating a reset if it deviates from the specified range.
4. Automotive Electronics: It ensures the stability and reliability of automotive electronic systems by monitoring the supply voltage and initiating a reset if necessary.

Detailed and Complete Alternative Models

1. MAX16023PTBS25+T: Similar to MAX16024PTBS25+T but with a fixed reset threshold of 2.5V.
2. MAX16025PTBS25+T: Similar to MAX16024PTBS25+T but with a fixed reset threshold of 2.6V.
3. MAX16026PTBS25+T: Similar to MAX16024PTBS25+T but with a fixed reset threshold of 2.7V.
4. MAX16027PTBS25+T: Similar to MAX16024PTBS25+T but with a fixed reset threshold of 2.8V.

These alternative models provide options for different voltage monitoring requirements while maintaining similar functionality and package options.

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