MAX6725AKASVD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitoring and Resetting
• Characteristics:
  • Low-power, microprocessor supervisory circuit
  • Monitors system voltage levels
  • Resets the microprocessor during power-up, power-down, and brownout conditions
• Package: SOT23-5
• Essence: Ensures reliable operation of microprocessors by monitoring voltage levels and providing reset signals when necessary
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 7µA (typical)

Pin Configuration

The MAX6725AKASVD3+T has a SOT23-5 package with the following pin configuration:

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Pin Descriptions:

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

Functional Features

• Monitors the system voltage continuously
• Generates a reset signal when the voltage falls below the threshold
• Provides a manual reset option through the MR pin
• Offers multiple threshold voltage options for flexibility

Advantages

• Low quiescent current ensures minimal power consumption
• Small form factor package allows for space-efficient designs
• Wide supply voltage range accommodates various applications
• Multiple threshold voltage options cater to different voltage level requirements

Disadvantages

• Limited to voltage monitoring and resetting functionality
• Requires an external microprocessor for complete system control

Working Principles

The MAX6725AKASVD3+T operates by continuously monitoring the system voltage through the TH pin. When the voltage falls below the selected threshold, the IC generates a reset signal on the RESET pin, indicating a power-related issue. The MR pin allows for manual resetting of the microprocessor if required.

Detailed Application Field Plans

The MAX6725AKASVD3+T finds applications in various fields where reliable voltage monitoring and resetting are crucial. Some potential application areas include:

1. Embedded Systems: Ensuring stable operation of microcontrollers and microprocessors in embedded systems.
2. Industrial Automation: Providing voltage supervision in industrial automation equipment to prevent malfunctions.
3. Automotive Electronics: Monitoring voltage levels in automotive electronic systems to avoid critical failures.
4. Power Management: Assisting in power management circuits by detecting voltage fluctuations and initiating appropriate actions.

Detailed and Complete Alternative Models

1. MAX6710AUKSDD3+T: Similar voltage monitoring and resetting IC with a SOT23-5 package.
2. MAX6736XKSHD3+T: Voltage supervisors with adjustable threshold options and different package types.
3. MAX6389XS26D3+T: Microprocessor supervisory circuits with integrated watchdog timer functionality.

(Note: This is not an exhaustive list; there are several alternative models available from Maxim Integrated and other manufacturers.)

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