MAX813LCPA

Product Overview

Category

MAX813LCPA belongs to the category of voltage supervisors.

Use

The MAX813LCPA is used to monitor the power supply voltage in electronic systems and provide a reset signal when the voltage falls below a certain threshold.

Characteristics

• Voltage monitoring range: 1.2V to 5V
• Adjustable reset threshold voltage
• Low quiescent current consumption
• Wide operating temperature range: -40°C to +85°C

Package

The MAX813LCPA comes in an 8-pin PDIP package.

Essence

The essence of MAX813LCPA is its ability to ensure proper functioning of electronic systems by monitoring the power supply voltage and providing a reset signal when necessary.

Packaging/Quantity

The MAX813LCPA is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Voltage Range: 0.4V to VCC - 0.2V
• Quiescent Current: 6µA (typical)
• Power-On Reset Delay Time: 100ms (typical)
• Output Type: Active-Low Push-Pull

Detailed Pin Configuration

1. GND: Ground connection
2. RESET: Active-low reset output
3. MR: Manual reset input
4. TH: Threshold adjust input
5. VCC: Positive power supply
6. NC: No connection
7. NC: No connection
8. VCC: Positive power supply

Functional Features

• Monitors power supply voltage and provides a reset signal when voltage drops below the set threshold.
• Adjustable reset threshold allows customization for different system requirements.
• Manual reset input allows external control of the reset signal.
• Low quiescent current consumption minimizes power consumption in battery-powered applications.
• Power-on reset delay ensures stable operation during power-up.

Advantages and Disadvantages

Advantages

• Wide voltage monitoring range allows compatibility with various power supply voltages.
• Adjustable reset threshold provides flexibility for different system requirements.
• Low quiescent current consumption helps conserve power in battery-operated devices.
• Power-on reset delay ensures stable system operation during power-up.

Disadvantages

• Limited pin configuration options may restrict certain system designs.
• The package type (PDIP) may not be suitable for space-constrained applications.

Working Principles

The MAX813LCPA operates by continuously monitoring the power supply voltage. When the voltage falls below the set threshold, the reset output is activated, indicating a low-voltage condition. The reset signal remains active until the voltage rises above the threshold or a manual reset input is triggered.

Detailed Application Field Plans

The MAX813LCPA finds application in various electronic systems where reliable power supply monitoring is crucial. Some potential application fields include:

1. Microcontroller-based Systems: Ensuring proper functioning of microcontroller-based systems by providing a reset signal when the power supply voltage drops below a certain level.
2. Battery-powered Devices: Monitoring battery voltage to prevent damage due to undervoltage conditions and provide a reset signal if necessary.
3. Industrial Control Systems: Maintaining stable operation of industrial control systems by monitoring power supply voltage and initiating a reset if voltage drops below the specified threshold.

Detailed and Complete Alternative Models

1. MAX811: Similar voltage supervisor IC with adjustable reset threshold and push-pull output.
2. MAX809: Voltage supervisor IC with fixed reset threshold and open-drain output.
3. MAX810: Voltage supervisor IC with fixed reset threshold and push-pull output.

These alternative models offer similar functionality to the MAX813LCPA and can be considered as substitutes based on specific system requirements.

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