MAX16072RS29D1+T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Supervisors
• Characteristics:
  • Low-power consumption
  • Wide operating voltage range
  • Adjustable reset threshold
  • Power-on reset delay
• Package: SOT-23-5
• Essence: The MAX16072RS29D1+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 MAX16072RS29D1+T is available in a tape and reel packaging, with 3000 units per reel.

Specifications

• Operating Voltage Range: 1.6V to 5.5V
• Reset Threshold Options: 2.93V, 3.08V, 3.63V, 4.38V, and adjustable
• Reset Timeout Options: 140ms, 560ms, 1120ms, and adjustable
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX16072RS29D1+T has a standard SOT-23-5 package with the following pin configuration:

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• Pin 1: GND (Ground)
• Pin 2: RESET (Reset Output)
• Pin 3: MR (Manual Reset Input)
• Pin 4: VCC (Power Supply)
• Pin 5: TH (Threshold Adjust)

Functional Features

• Voltage Monitoring: The MAX16072RS29D1+T continuously monitors the power supply voltage and asserts the reset output when the voltage falls below the programmed threshold.
• Adjustable Threshold: The TH pin allows the user to set a custom reset threshold by connecting an external resistor divider network.
• Power-On Reset Delay: The device includes a power-on reset delay circuit that ensures a stable power supply before asserting the reset signal.
• Manual Reset Input: The MR pin provides a manual reset input, allowing the user to assert the reset signal externally.

Advantages and Disadvantages

Advantages: - Low-power consumption makes it suitable for battery-powered applications. - Wide operating voltage range enables compatibility with various systems. - Adjustable reset threshold provides flexibility in different voltage monitoring scenarios. - Power-on reset delay ensures reliable system startup.

Disadvantages: - Limited number of available reset threshold options. - SOT-23-5 package may not be suitable for all applications requiring voltage supervision.

Working Principles

The MAX16072RS29D1+T operates by comparing the power supply voltage with the programmed threshold. When the voltage drops below the threshold, the reset output is asserted, indicating a power failure or unstable voltage condition. The power-on reset delay circuit ensures that the reset signal is not immediately asserted during power-up, allowing the power supply to stabilize. The adjustable threshold feature allows customization of the voltage level at which the reset signal is triggered.

Detailed Application Field Plans

The MAX16072RS29D1+T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are required. Some application fields include:

1. Microcontrollers and Microprocessors: Ensuring proper system initialization and preventing data corruption during power fluctuations.
2. Industrial Control Systems: Providing fault detection and system reset capability in critical control applications.
3. Automotive Electronics: Monitoring vehicle power supply and triggering reset signals in case of voltage anomalies.
4. Battery-Powered Devices: Protecting battery life by initiating a reset when the voltage drops below a certain level.
5. Communication Systems: Ensuring stable operation and preventing data loss in network equipment.

Detailed and Complete Alternative Models

• MAX16071RS29D1+T
• MAX16073RS29D1+T
• MAX16074RS29D1+T
• MAX16075RS29D1+T

These alternative models offer similar voltage monitoring and reset functionality, with variations in features such as reset threshold options, reset timeout, and package types. Users can choose the most suitable model based on their specific requirements.

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