MAX16057ATT23+T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Supervisors
• Characteristics:
  • Low-power consumption
  • Wide operating voltage range
  • Adjustable reset threshold
  • Small package size
• Package: SOT-23
• Essence: The MAX16057ATT23+T is a voltage supervisor IC designed to monitor the power supply voltage of electronic systems and provide a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: The MAX16057ATT23+T is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Options: Adjustable from 1.2V to 4.63V in 100mV steps
• Reset Timeout Period: Fixed at 140ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)

Detailed Pin Configuration

The MAX16057ATT23+T features a 5-pin SOT-23 package with the following pin configuration:

1. GND: Ground connection
2. RESET: Active-low reset output
3. MR: Manual reset input
4. VCC: Power supply voltage input
5. TH: Threshold adjust pin for setting the reset threshold voltage

Functional Features

• Monitors the power supply voltage and asserts the reset output when the voltage drops below the set threshold.
• Provides a manual reset input for immediate system reset.
• Adjustable reset threshold allows customization for different applications.
• Fixed reset timeout period ensures proper system reset even during short power interruptions.
• Low quiescent current minimizes power consumption.

Advantages and Disadvantages

Advantages: - Low-power consumption extends battery life in portable devices. - Wide operating voltage range makes it suitable for various applications. - Adjustable reset threshold provides flexibility for different voltage levels. - Small package size saves board space.

Disadvantages: - Fixed reset timeout period may not be suitable for all applications requiring longer or shorter timeouts. - Limited number of pin configuration options.

Working Principles

The MAX16057ATT23+T operates by continuously monitoring the power supply voltage. When the voltage falls below the set threshold, the reset output is asserted, indicating a power failure. The reset output remains active until the voltage rises above the threshold and the reset timeout period elapses. The manual reset input allows for immediate system reset, overriding the voltage monitoring.

Detailed Application Field Plans

The MAX16057ATT23+T is commonly used in various electronic systems where reliable power supply monitoring is critical. Some application fields include:

1. Battery-powered devices: Ensures proper shutdown and prevents data loss when the battery voltage drops below a safe level.
2. Industrial control systems: Monitors power supply integrity to prevent damage to sensitive equipment during voltage fluctuations.
3. Automotive electronics: Provides reset signals to microcontrollers and other components to ensure proper operation during automotive power supply variations.
4. Home automation systems: Protects smart home devices from power supply disruptions, ensuring uninterrupted functionality.

Detailed and Complete Alternative Models

1. MAX16058ATT23+T: Similar to MAX16057ATT23+T but with adjustable reset timeout period.
2. MAX16059ATT23+T: Voltage supervisor IC with additional features such as watchdog timer and power-on reset delay.
3. MAX16060ATT23+T: Dual voltage supervisor IC with independent threshold settings for two power supply inputs.

These alternative models offer similar functionality to the MAX16057ATT23+T but with additional features or different pin configurations, providing options for specific application requirements.

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