MAX825SEUK+TG002

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, microprocessor reset circuit
• Package: SOT-23-5
• Essence: Monitors power supply voltage and generates a reset signal when the voltage falls below a predetermined threshold
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Options: 2.93V, 3.08V, 3.15V, 4.38V, 4.63V, 4.75V
• Reset Timeout Period: 140ms, 280ms, 560ms, 1120ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX825SEUK+TG002 IC has the following pin configuration:

1. GND: Ground connection
2. RESET: Output reset signal
3. MR: Manual reset input
4. VCC: Positive power supply
5. TH: Threshold selection pin

Functional Features

• Monitors power supply voltage and generates a reset signal when it falls below the selected threshold
• Provides manual reset capability through the MR pin
• Offers a wide range of reset threshold options and timeout periods for flexibility in different applications
• Low-power consumption, suitable for battery-powered devices
• Small package size allows for space-efficient designs

Advantages and Disadvantages

Advantages

• Accurate monitoring of power supply voltage
• Flexible threshold and timeout period options
• Low-power consumption
• Compact package size

Disadvantages

• Limited number of threshold options
• No adjustable hysteresis feature

Working Principles

The MAX825SEUK+TG002 operates by continuously monitoring the power supply voltage. When the voltage falls below the selected threshold, it triggers a reset signal on the RESET pin. This signal remains active for the specified timeout period, ensuring that the microprocessor or other components are properly reset.

The IC also includes a manual reset input (MR pin) which allows for an external reset signal to override the internal monitoring circuit. This can be useful during system testing or when a manual reset is required.

Detailed Application Field Plans

The MAX825SEUK+TG002 is commonly used in various electronic devices and systems where reliable power supply monitoring and reset functionality are essential. Some application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Industrial automation equipment
4. Medical devices
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

• MAX823SEUK+TG002: Similar to MAX825SEUK+TG002 but with different reset threshold options.
• MAX826SEUK+TG002: Enhanced version with adjustable hysteresis feature.
• MAX809SEUK+TG002: Voltage supervisor with push-pull output instead of open-drain.

These alternative models offer similar functionality with slight variations to cater to specific requirements.

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