MAX16074RS19D3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Supply Monitor
• Characteristics: Low-power, voltage monitoring, reset output
• Package: 6-pin SOT23
• 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: 1.5V to 5.5V
• Threshold Voltage Options: 1.9V, 2.5V, 3.08V, 4.63V
• Reset Timeout Options: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX16074RS19D3+T has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. MR: Manual Reset input
4. RESET: Reset output
5. TH: Threshold selection input
6. CT: Capacitor connection for reset timeout adjustment

Functional Features

• Monitors the voltage level of the power supply continuously
• Provides a reset signal when the voltage falls below the selected threshold
• Offers manual reset capability through the MR pin
• Adjustable reset timeout period using an external capacitor

Advantages

• Low-power consumption
• Wide supply voltage range allows compatibility with various systems
• Multiple threshold voltage and reset timeout options provide flexibility in different applications
• Small package size enables space-saving designs

Disadvantages

• Limited number of threshold voltage and reset timeout options
• Requires an external capacitor for reset timeout adjustment

Working Principles

The MAX16074RS19D3+T operates by comparing the supply voltage with the selected threshold voltage. When the supply voltage falls below the threshold, the reset output is activated, indicating a power failure or low voltage condition. The reset signal remains active until the supply voltage rises above the threshold or a manual reset is triggered.

The reset timeout period determines how long the reset signal remains active after the supply voltage returns to normal. This timeout can be adjusted by connecting an external capacitor to the CT pin.

Application Field Plans

The MAX16074RS19D3+T is commonly used in various applications where monitoring the power supply voltage is critical for system reliability. Some potential application fields include:

1. Battery-powered devices: Ensuring proper operation and preventing data loss when the battery voltage drops below a safe level.
2. Industrial control systems: Monitoring power supply integrity to prevent equipment damage or malfunction during voltage fluctuations.
3. Automotive electronics: Detecting low voltage conditions to protect sensitive components and ensure proper functioning of vehicle systems.
4. Home automation: Providing reliable power supply monitoring for smart home devices to maintain uninterrupted operation.

Alternative Models

• MAX16075RS19D3+T: Similar to MAX16074RS19D3+T but with different threshold voltage options.
• MAX16076RS19D3+T: Similar to MAX16074RS19D3+T but with additional features like adjustable hysteresis and watchdog timer.

Note: Please refer to the manufacturer's datasheet for complete specifications and alternative models.

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