MAX16040PLA31+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Supply Monitoring and Reset
• Characteristics: Low-power, voltage monitor with manual reset input
• Package: 8-pin, leadless package (3mm x 3mm)
• Essence: Provides accurate monitoring and reset functionality for power supply systems
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 3.30V, 3.42V, 3.63V, 4.38V, 4.63V
• Manual Reset Input: Active-low, push-pull output
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX16040PLA31+T IC has the following pin configuration:

```

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| | --| VCC | --| GND | --| MR | --| RESET | --| TH | --| CT | --| RSTOUT | |___________| ```

• VCC: Power supply input
• GND: Ground reference
• MR: Manual reset input
• RESET: Output indicating the reset state
• TH: Threshold voltage selection pin
• CT: Capacitor connection for reset timeout adjustment
• RSTOUT: Reset output

Functional Features

• Accurate monitoring of power supply voltages
• Manual reset input for system control
• Adjustable reset timeout period for flexibility
• Active-low reset output for system status indication
• Wide supply voltage range for compatibility

Advantages and Disadvantages

Advantages

• Low-power consumption
• Small package size for space-constrained applications
• Wide operating temperature range
• Adjustable reset timeout period for customization

Disadvantages

• Limited threshold voltage options
• No built-in hysteresis for voltage monitoring

Working Principles

The MAX16040PLA31+T is designed to monitor the voltage level of a power supply and provide a reset signal when the voltage falls below a certain threshold. It operates by comparing the input voltage with the selected threshold voltage. If the input voltage drops below the threshold, the reset output is activated. The manual reset input allows for additional control over the reset functionality.

The reset timeout period can be adjusted using an external capacitor connected to the CT pin. This feature enables customization of the reset delay time according to specific application requirements.

Detailed Application Field Plans

The MAX16040PLA31+T is commonly used in various electronic systems where reliable power supply monitoring and reset functionality are essential. Some potential application fields include:

1. Embedded Systems: Provides a reliable reset signal to microcontrollers, ensuring proper initialization after power-up or system faults.
2. Industrial Automation: Monitors power supply voltages in industrial control systems, preventing malfunctions due to voltage fluctuations.
3. Automotive Electronics: Ensures stable operation of automotive electronic modules by monitoring power supply integrity and initiating resets if necessary.
4. Medical Devices: Guarantees safe operation of medical equipment by continuously monitoring power supply voltages and triggering appropriate actions in case of failures.
5. Consumer Electronics: Protects sensitive electronic components from damage caused by unstable power supply conditions, enhancing overall system reliability.

Detailed and Complete Alternative Models

1. MAX16041PLA31+T: Similar to MAX16040PLA31+T, but with additional hysteresis for voltage monitoring.
2. MAX16042PLA31+T: Provides dual voltage monitoring and reset functionality in a single IC package.
3. MAX16043PLA31+T: Offers adjustable threshold voltage options and extended temperature range for harsh environments.

These alternative models offer similar features and can be considered based on specific application requirements.

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