MAX6791TPTD2+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: Thin, small outline package (TDFN)
• Essence: Provides accurate monitoring and control of power supply voltages
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Output Type: Active-low, push-pull
• Threshold Voltage Options: 1.8V, 2.5V, 3.3V, adjustable
• Quiescent Current: 4µA (typical)
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Accuracy: ±1.5% (typical)

Detailed Pin Configuration

The MAX6791TPTD2+T has a total of six pins:

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

Functional Features

• Accurate voltage monitoring: The MAX6791TPTD2+T ensures precise monitoring of power supply voltages, preventing system malfunctions or damage.
• Low-power operation: With a quiescent current of only 4µA, the device minimizes power consumption, making it suitable for battery-powered applications.
• Adjustable reset timeout period: The reset timeout period can be easily configured using an external capacitor, allowing flexibility in system design.
• Wide supply voltage range: The IC operates within a wide supply voltage range of 1.6V to 5.5V, making it compatible with various power supply configurations.

Advantages and Disadvantages

Advantages: - High accuracy in voltage monitoring - Low-power consumption - Adjustable reset timeout period - Wide supply voltage range

Disadvantages: - Limited threshold voltage options (1.8V, 2.5V, 3.3V, adjustable)

Working Principles

The MAX6791TPTD2+T monitors the input voltage and compares it to a precise threshold voltage. If the input voltage falls below the threshold, the device asserts an active-low reset signal. The reset signal remains asserted until the input voltage rises above the threshold or a user-defined timeout period elapses.

Detailed Application Field Plans

The MAX6791TPTD2+T is commonly used in various applications where accurate voltage monitoring is critical. Some potential application fields include:

1. Battery-powered devices: Ensures proper operation and prevents damage due to low battery voltage.
2. Industrial control systems: Monitors power supply voltages to prevent system failures and ensure reliable operation.
3. Automotive electronics: Protects sensitive components from voltage fluctuations and ensures stable performance.
4. Medical equipment: Provides voltage supervision to guarantee safe and reliable operation of medical devices.

Detailed and Complete Alternative Models

1. MAX6790TPTD2+T: Similar to MAX6791TPTD2+T but with fixed threshold voltage options (1.8V, 2.5V, 3.3V).
2. MAX6792TPTD2+T: Voltage supervisor with adjustable threshold voltage and additional features such as watchdog timer and manual reset input.
3. MAX6793TPTD2+T: Dual voltage supervisor with two independent monitoring channels and adjustable threshold voltage options.

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