MAX6314US28D2-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT-23-5
• Essence: Monitors the voltage level of a power supply and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.8V, 3.0V, 3.3V, 3.6V
• Reset Timeout Period: Adjustable or fixed options available
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)

Detailed Pin Configuration

The MAX6314US28D2-T has a total of 5 pins:

1. VCC: Power supply input
2. GND: Ground reference
3. RESET#: Active-low reset output
4. MR#: Manual reset input
5. TH#: Threshold voltage selection input

Functional Features

• Monitors the power supply voltage continuously
• Generates a reset signal when the voltage drops below the set threshold
• Provides manual reset capability through the MR# pin
• Offers multiple threshold voltage options for flexibility
• Low quiescent current consumption for power efficiency

Advantages and Disadvantages

Advantages

• Precise voltage monitoring ensures reliable system operation
• Low-power design extends battery life in portable applications
• Small package size allows for space-constrained designs
• Adjustable reset timeout period offers customization options

Disadvantages

• Limited threshold voltage options may not suit all applications
• SOT-23-5 package may require additional PCB space compared to smaller packages

Working Principles

The MAX6314US28D2-T operates by comparing the supply voltage with the selected threshold voltage. When the supply voltage falls below the threshold, the reset output is activated, indicating a power failure or an out-of-range condition. The reset signal remains active until the supply voltage rises above the threshold and a timeout period elapses.

Detailed Application Field Plans

The MAX6314US28D2-T finds applications in various fields, including:

1. Battery-powered devices: Ensures proper shutdown or system reset when battery voltage drops below a safe level.
2. Industrial control systems: Monitors power supply integrity to prevent data corruption or equipment damage during voltage fluctuations.
3. Automotive electronics: Provides reliable reset signals for microcontrollers and other critical components during automotive power supply variations.
4. Home automation: Enables safe operation and protection of smart home devices during power supply anomalies.

Detailed and Complete Alternative Models

1. MAX6316LUK46CY-T: Offers similar functionality with a different package (SOT-23-6) and higher threshold voltage options.
2. MAX6389XS26D3-T: Provides adjustable reset timeout period and lower quiescent current consumption.
3. MAX6325ESAT: Features a wider supply voltage range and fixed threshold voltage options.

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