MAX6725KAWGD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitoring and Resetting
• Characteristics: Low-power, precision voltage monitor with adjustable threshold
• Package: 8-pin WLP (Wafer Level Package)
• 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 Range: 1.2V to 4.9V (adjustable)
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6725KAWGD3+T has the following pin configuration:

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

Functional Features

• Monitors the voltage level of a power supply in real-time
• Provides a reset signal when the voltage falls below the user-adjustable threshold
• Adjustable threshold allows customization for different applications
• Low quiescent current ensures minimal power consumption
• Manual reset input allows external control over the reset function

Advantages and Disadvantages

Advantages

• Wide supply voltage range enables compatibility with various power sources
• Adjustable threshold voltage provides flexibility for different voltage monitoring requirements
• Low quiescent current minimizes power consumption, making it suitable for battery-powered applications
• Small package size (8-pin WLP) saves board space

Disadvantages

• Limited number of pins may restrict the functionality in complex systems
• Manual reset input may require additional external components for proper operation

Working Principles

The MAX6725KAWGD3+T operates by continuously monitoring the voltage level of the power supply connected to its VCC pin. It compares the supply voltage with the user-adjustable threshold voltage set using the TH pin. When the supply voltage falls below the threshold, the RESET pin is activated, providing a low-level reset signal. The reset remains active until the supply voltage rises above the threshold or a manual reset signal is applied to the MR pin.

Detailed Application Field Plans

The MAX6725KAWGD3+T is commonly used in various applications where voltage monitoring and resetting are critical. Some potential application fields include:

1. Battery-Powered Devices: Ensures proper operation and prevents damage due to undervoltage conditions.
2. Industrial Control Systems: Monitors power supply integrity and initiates system resets if necessary.
3. Automotive Electronics: Protects sensitive components from voltage fluctuations and ensures reliable operation.
4. Home Automation: Provides voltage monitoring for smart home devices, ensuring uninterrupted functionality.
5. Medical Equipment: Safeguards critical medical devices by monitoring power supply stability and initiating resets when needed.

Detailed and Complete Alternative Models

1. MAX6715AUKSDD3+T: Similar voltage monitoring IC with adjustable threshold and 6-pin SOT23 package.
2. MAX6730AUTWD3+T: Voltage monitor with fixed threshold and 6-pin µDFN package.
3. MAX6759UTZD3+T: Dual-voltage monitor with adjustable thresholds and 6-pin SOT23 package.
4. MAX6747KAUTD3+T: Voltage monitor with adjustable threshold and integrated watchdog timer, 8-pin µMAX package.

(Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list of alternatives.)

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