MAX636ACSA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, Precision, Adjustable Threshold
• Package: 8-pin Small Outline Integrated Circuit (SOIC)
• Essence: Monitors voltage levels and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: Adjustable from 1.25V to 4.63V in 100mV increments
• Reset Timeout Period: Fixed at 140ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)

Pin Configuration

The MAX636ACSA+T has the following pin configuration:

1. GND (Ground)
2. MR (Manual Reset)
3. VCC (Supply Voltage)
4. RESET (Reset Output)
5. TH (Threshold Input)
6. CT (Capacitor Connection)
7. NC (No Connection)
8. GND (Ground)

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the set threshold.
• The threshold voltage can be adjusted using an external resistor divider network.
• Provides a manual reset input for immediate system reset.
• Offers a fixed reset timeout period to ensure proper system initialization.

Advantages

• Low-power consumption makes it suitable for battery-powered applications.
• Precision voltage monitoring ensures reliable system operation.
• Adjustable threshold allows flexibility in setting the desired voltage level for reset.
• Small package size saves board space and enables compact designs.

Disadvantages

• Fixed reset timeout period may not be suitable for all applications.
• Limited number of threshold voltage options available.

Working Principles

The MAX636ACSA+T operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the set threshold, the reset output is activated, indicating a power failure or low voltage condition. The reset signal remains active until the voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX636ACSA+T finds application in various fields, including:

1. Battery-powered devices: Provides voltage monitoring and system reset functionality to ensure proper operation and prevent data corruption in portable electronics, medical devices, and IoT devices.
2. Industrial control systems: Monitors power supply voltages in industrial equipment, enabling safe shutdown or recovery procedures during voltage fluctuations or power failures.
3. Automotive electronics: Ensures reliable operation of automotive systems by monitoring critical voltage levels and initiating appropriate actions in case of voltage drops or spikes.

Detailed Alternative Models

Here are some alternative models that offer similar functionality:

1. MAX638ACPA+T
2. MAX631BCPA+T
3. MAX637ACPA+T
4. MAX635ACPA+T

These models provide voltage monitoring and reset capabilities with varying specifications and package options. Users can choose the most suitable alternative based on their specific requirements.

In conclusion, the MAX636ACSA+T is a versatile voltage monitor IC that offers precision monitoring, adjustable threshold, and low-power consumption. Its compact package and wide operating temperature range make it suitable for various applications in different industries.