MAX6313UK39D1-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, Precision, Adjustable Threshold
• Package: SOT23-5
• Essence: Monitors voltage levels and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: Adjustable from 1.2V to 4.63V in 100mV steps
• Reset Timeout Period: Fixed or Adjustable (from 1ms to 1600ms)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)

Detailed Pin Configuration

The MAX6313UK39D1-T has a total of 5 pins:

1. GND: Ground connection
2. RESET: Active-low reset output
3. MR: Manual reset input
4. TH: Threshold voltage selection pin
5. VCC: Supply voltage input

Functional Features

• Monitors the supply voltage and generates a reset signal when it drops below the set threshold.
• Provides a manual reset option through the MR pin.
• Adjustable threshold voltage allows customization for different applications.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages

• Wide supply voltage range enables compatibility with various systems.
• Adjustable threshold voltage provides flexibility in voltage monitoring.
• Low-power operation prolongs battery life in portable devices.
• Small package size (SOT23-5) saves board space.

Disadvantages

• Lack of built-in hysteresis may lead to potential noise-related issues.
• Limited reset timeout period range may not suit all application requirements.

Working Principles

The MAX6313UK39D1-T operates by continuously monitoring the supply voltage connected to its VCC pin. When the voltage falls below the set threshold, the RESET pin is driven low, indicating a reset condition. The threshold voltage can be adjusted using the TH pin, allowing customization for specific voltage levels. Additionally, the MR pin provides a manual reset option, overriding the automatic reset functionality.

Detailed Application Field Plans

The MAX6313UK39D1-T finds applications in various fields, including:

1. Battery-Powered Devices: Ensures proper operation and prevents data corruption when the battery voltage drops below a critical level.
2. Industrial Control Systems: Monitors power supply integrity and triggers system resets in case of voltage fluctuations or failures.
3. Automotive Electronics: Protects sensitive components from voltage dips or transients, ensuring reliable operation in automotive environments.
4. Home Automation: Provides voltage monitoring capabilities for smart home devices, enhancing their reliability and stability.

Detailed and Complete Alternative Models

1. MAX6314UK39D1-T: Similar to MAX6313UK39D1-T but with an adjustable reset timeout period.
2. MAX6315UK39D1-T: Offers additional features such as a watchdog timer and a push-pull reset output.
3. MAX6316UK39D1-T: Provides a wider supply voltage range and adjustable hysteresis for improved noise immunity.

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