MAX6714BUB+T

Product Overview

• Category: Integrated Circuits
• Use: Voltage Supervisors
• Characteristics:
  • Low-power, single voltage monitor
  • Precision monitoring of supply voltages from 1.8V to 5V
  • Adjustable reset threshold voltage
  • Manual reset input
  • Active-low push-pull reset output
  • Open-drain reset output
  • Power-on reset delay time: 100ms (typ)
  • Supply current: 6µA (typ)
• Package: µMAX®
• Essence: MAX6714BUB+T is a low-power voltage supervisor integrated circuit designed for precision monitoring of supply voltages in various applications.
• Packaging/Quantity: Tape and Reel (3000 units per reel)

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage Range: 1.2V to VCC - 0.2V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 6µA (typ)
• Reset Timeout Period: 140ms (typ)
• Manual Reset Input Threshold Voltage: 0.7V (min), 1.2V (max)
• Push-Pull Reset Output Voltage: VCC - 0.4V (max)
• Open-Drain Reset Output Voltage: 0.4V (max)

Detailed Pin Configuration

The MAX6714BUB+T has the following pin configuration:

1. GND: Ground
2. MR: Manual Reset Input
3. RESET: Active-Low Push-Pull Reset Output
4. RESET#: Open-Drain Reset Output
5. VCC: Supply Voltage

Functional Features

• The MAX6714BUB+T is a low-power voltage supervisor IC that monitors the supply voltage and provides reset signals.
• It offers precision monitoring of supply voltages ranging from 1.8V to 5V.
• The reset threshold voltage can be adjusted according to the application requirements.
• It includes a manual reset input for external reset control.
• The active-low push-pull reset output provides a direct reset signal.
• The open-drain reset output allows for flexibility in connecting multiple devices.
• The power-on reset delay time ensures stable operation during power-up.

Advantages and Disadvantages

Advantages: - Low-power consumption - Wide supply voltage range - Adjustable reset threshold voltage - Multiple reset output options - Power-on reset delay for stability

Disadvantages: - Limited operating temperature range (-40°C to +85°C) - Manual reset input threshold voltage limitations

Working Principles

The MAX6714BUB+T operates by continuously monitoring the supply voltage. When the voltage falls below the set threshold, the device triggers a reset signal. The reset signal can be either an active-low push-pull output or an open-drain output, depending on the configuration. The manual reset input allows for external control of the reset function. The power-on reset delay ensures that the device remains in a reset state during power-up until the supply voltage stabilizes.

Detailed Application Field Plans

The MAX6714BUB+T is widely used in various applications where precise monitoring of supply voltages is critical. Some of the common application fields include:

1. Battery-Powered Devices: Ensuring proper functioning and safe shutdown when the battery voltage drops below a certain level.
2. Microcontrollers and Processors: Providing reliable reset signals during power-up and voltage fluctuations to prevent erratic behavior.
3. Industrial Control Systems: Monitoring power supply integrity to avoid system failures and ensure continuous operation.
4. Automotive Electronics: Protecting sensitive electronic components from voltage variations and ensuring proper system initialization.
5. Communication Systems: Maintaining stable operation by monitoring power supply voltages and triggering resets when necessary.

Detailed and Complete Alternative Models

1. MAX6713BUB+T: Similar to MAX6714BUB+T but with a fixed reset threshold voltage.
2. MAX6715BUB+T: Similar to MAX6714BUB+T but with a different package option.
3. MAX6716BUB+T: Similar to MAX6714BUB+T but with additional features like watchdog timer and adjustable reset timeout period.

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