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MAX6455UT26L+T
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MAX6455UT26L+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Supervisor
  • Characteristics: Low-power, high-accuracy, small form factor
  • Package: SOT-23-6
  • Essence: Monitors the voltage level of a power supply and provides a reset signal when the voltage falls below a certain threshold.
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Supply Voltage Range: 1.6V to 5.5V
  • Reset Threshold Options: 2.6V, 2.8V, 3.0V, 3.1V, 3.3V, 3.6V, 4.0V, 4.5V
  • Reset Timeout Period: 140ms, 280ms, 560ms, 1120ms
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6455UT26L+T has a total of six pins:

  1. GND: Ground pin
  2. RESET: Output pin for reset signal
  3. MR: Manual reset input pin
  4. VCC: Positive supply voltage pin
  5. TH: Threshold selection pin
  6. TR: Reset timeout period selection pin

Functional Features

  • Monitors the voltage level of a power supply
  • Provides a reset signal when the voltage falls below the selected threshold
  • Offers manual reset capability through the MR pin
  • Allows selection of reset threshold and timeout period through the TH and TR pins respectively

Advantages and Disadvantages

Advantages: - Low-power consumption - High accuracy in voltage monitoring - Small form factor for space-constrained applications

Disadvantages: - Limited range of reset threshold options - Fixed reset timeout periods

Working Principles

The MAX6455UT26L+T operates by continuously monitoring the voltage level of the power supply connected to its VCC pin. When the voltage falls below the selected threshold, the IC generates a reset signal on the RESET pin. The reset signal remains active for the duration specified by the chosen reset timeout period.

Detailed Application Field Plans

The MAX6455UT26L+T is commonly used in various applications where reliable voltage monitoring and reset functionality are required. Some typical application fields include:

  1. Microcontrollers: Ensuring proper system initialization and preventing erratic behavior during power-up or brownout conditions.
  2. Industrial Control Systems: Providing fault detection and recovery mechanisms in critical control systems.
  3. Battery-Powered Devices: Protecting battery life by initiating a reset when the battery voltage drops below a certain level.
  4. Automotive Electronics: Monitoring power supply integrity and triggering a reset if necessary to maintain system stability.

Detailed and Complete Alternative Models

  1. MAX6456UT26L+T: Similar to MAX6455UT26L+T but with additional features such as adjustable reset threshold and watchdog timer functionality.
  2. MAX6457UT26L+T: Voltage supervisor IC with integrated power-on reset and manual reset input.
  3. MAX6458UT26L+T: Dual voltage supervisor IC with independent threshold selection for each channel.

These alternative models offer similar voltage monitoring and reset capabilities, but with varying additional features based on specific application requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi MAX6455UT26L+T dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of MAX6455UT26L+T in technical solutions:

  1. Q: What is the MAX6455UT26L+T? A: The MAX6455UT26L+T is a voltage detector IC (integrated circuit) that monitors the power supply voltage and provides an output signal when it falls below a certain threshold.

  2. Q: What is the operating voltage range of MAX6455UT26L+T? A: The operating voltage range of MAX6455UT26L+T is typically between 1.6V and 6.0V.

  3. Q: How does MAX6455UT26L+T detect low voltage? A: MAX6455UT26L+T uses an internal voltage reference and comparator to monitor the input voltage. When the voltage drops below a set threshold, the output pin goes low.

  4. Q: Can I use MAX6455UT26L+T to monitor battery voltage? A: Yes, MAX6455UT26L+T can be used to monitor battery voltage in various applications, such as portable devices or battery-powered systems.

  5. Q: What is the typical quiescent current of MAX6455UT26L+T? A: The typical quiescent current of MAX6455UT26L+T is very low, usually around 1µA, making it suitable for low-power applications.

  6. Q: Does MAX6455UT26L+T have any built-in hysteresis? A: Yes, MAX6455UT26L+T has a built-in hysteresis of typically 50mV, which helps prevent false triggering due to noise or voltage fluctuations.

  7. Q: Can I adjust the voltage threshold of MAX6455UT26L+T? A: No, the voltage threshold of MAX6455UT26L+T is fixed and cannot be adjusted. It is set at a specific value during manufacturing.

  8. Q: What is the output configuration of MAX6455UT26L+T? A: MAX6455UT26L+T has an open-drain output configuration, which means it can be connected to other devices or microcontrollers with pull-up resistors.

  9. Q: Is MAX6455UT26L+T suitable for automotive applications? A: Yes, MAX6455UT26L+T is designed to meet automotive standards and can be used in automotive applications that require voltage monitoring.

  10. Q: Can I use MAX6455UT26L+T in industrial environments? A: Yes, MAX6455UT26L+T is also suitable for industrial environments where voltage monitoring is required, thanks to its wide operating temperature range and robust design.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements.