MAX6431EIUS+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, high-accuracy voltage monitoring
• Package: SOT23-5
• Essence: Monitors and supervises voltage levels in electronic systems
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 4.0V
• Accuracy: ±1.5%
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6431EIUS+T has a SOT23-5 package with the following pin configuration:

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

Functional Features

• Voltage Monitoring: The MAX6431EIUS+T monitors the voltage level of the connected system.
• Reset Output: It provides an active-low reset signal when the monitored voltage falls below the threshold.
• Threshold Selection: The TH pin allows for easy selection of the desired threshold voltage.
• Manual Reset: The MR# pin enables manual reset of the device.

Advantages and Disadvantages

Advantages: - Low-power consumption - High accuracy - Wide operating voltage range - Small package size

Disadvantages: - Limited threshold voltage options - Lack of additional features like hysteresis adjustment

Working Principles

The MAX6431EIUS+T operates by comparing the monitored voltage with the selected threshold voltage. When the monitored voltage drops below the threshold, the device generates an active-low reset signal. This signal can be used to initiate system resets or trigger other actions.

Detailed Application Field Plans

The MAX6431EIUS+T finds applications in various electronic systems where voltage monitoring is critical. Some potential application fields include:

1. Battery-Powered Devices: Ensuring proper voltage levels in portable devices to prevent unexpected shutdowns.
2. Power Supply Units: Monitoring power supply voltages to protect sensitive components from undervoltage conditions.
3. Industrial Control Systems: Voltage supervision in control panels and PLCs to maintain system integrity.
4. Automotive Electronics: Monitoring automotive battery voltage to prevent damage and ensure reliable operation.

Detailed and Complete Alternative Models

• MAX6432EIUS+T: Similar to MAX6431EIUS+T but with additional hysteresis adjustment feature.
• MAX6433EIUS+T: Higher accuracy version of MAX6431EIUS+T with ±1% accuracy.
• MAX6434EIUS+T: Extended temperature range variant (-40°C to +125°C) of MAX6431EIUS+T.

(Note: The above alternative models are for illustrative purposes only and may not represent the complete list of alternatives available in the market.)

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