MAX6458UKD3A+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high-accuracy voltage monitoring
• Package: SOT-23-5
• Essence: Ensures proper system operation by monitoring the supply voltage
• 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, 4.38V
• Reset Timeout Options: 100ms, 200ms, 400ms, 600ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6458UKD3A+T has a total of 5 pins:

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

Functional Features

• Monitors the supply voltage and asserts the reset signal when it falls below the threshold voltage
• Provides a manual reset input for immediate system restart
• Offers multiple threshold voltage options for flexibility in different applications
• Reset timeout options allow customization of the time delay before releasing the reset signal

Advantages and Disadvantages

Advantages: - Low-power consumption - High accuracy in voltage monitoring - Small package size for space-constrained designs - Wide operating temperature range

Disadvantages: - Limited threshold voltage and reset timeout options compared to some other models - Not suitable for applications requiring higher voltage ranges

Working Principles

The MAX6458UKD3A+T operates by continuously monitoring the supply voltage. When the voltage drops below the selected threshold voltage, the reset output is asserted, indicating a power failure or unstable voltage condition. The reset signal remains active until the voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX6458UKD3A+T is commonly used in various electronic systems where reliable voltage monitoring is critical. Some application fields include:

1. Battery-powered devices: Ensures proper operation and prevents damage due to low battery voltage.
2. Microcontrollers and microprocessors: Protects against voltage fluctuations that can cause system instability or data corruption.
3. Industrial control systems: Monitors power supply integrity to prevent equipment malfunction or downtime.
4. Automotive electronics: Safeguards sensitive components from voltage variations, enhancing overall system reliability.

Detailed and Complete Alternative Models

1. MAX6459UKD3A+T: Similar to MAX6458UKD3A+T but with additional features such as adjustable hysteresis and watchdog timer functionality.
2. MAX6460UKD3A+T: Voltage supervisor IC with higher threshold voltage options and extended operating temperature range.
3. MAX6461UKD3A+T: Offers a wider range of reset timeout options and lower supply voltage requirements.

These alternative models provide different specifications and features to cater to specific application requirements.

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