MAX815KESA+T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Supervisors
• Characteristics:
  • Monitors the power supply voltage and provides a reset signal when the voltage falls below a specified threshold.
  • Offers a wide operating voltage range and low quiescent current consumption.
  • Available in a small SOT-23 package.
  • Provides accurate monitoring and reliable reset generation for various electronic systems.
• Package: SOT-23
• Essence: Voltage supervisor IC
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 4.38V, 4.63V
• Reset Timeout Period: Adjustable or fixed options available
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 2µA (typical)

Detailed Pin Configuration

The MAX815KESA+T features a 5-pin SOT-23 package with the following pin configuration:

1. GND (Ground)
2. RESET (Reset Output)
3. MR (Manual Reset Input)
4. VCC (Supply Voltage)
5. TH (Threshold Voltage Selection)

Functional Features

• Monitors the supply voltage continuously.
• Generates a reset signal when the voltage drops below the set threshold.
• Provides manual reset capability through the MR pin.
• Offers adjustable or fixed reset timeout periods.
• Low quiescent current consumption ensures minimal power usage.

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows compatibility with various systems. - Small package size enables space-saving designs. - Accurate monitoring ensures reliable system operation. - Low quiescent current consumption minimizes power consumption.

Disadvantages: - Limited threshold voltage options may not suit all applications. - Lack of advanced features compared to more specialized voltage supervisors.

Working Principles

The MAX815KESA+T operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the set threshold, it triggers the reset output pin, signaling a system reset. The manual reset input allows for additional control over the reset function. The device's low quiescent current ensures minimal power consumption during operation.

Detailed Application Field Plans

The MAX815KESA+T finds applications in various electronic systems where reliable voltage monitoring and reset generation are crucial. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Power management circuits
4. Industrial automation systems
5. Automotive electronics
6. Battery-powered devices

Detailed and Complete Alternative Models

1. MAX803/MAX809: Similar voltage supervisor ICs with different package options (SOT-23, SOT-143, etc.) and additional features like watchdog timers.
2. ADM1060: Programmable supervisory circuit with multiple voltage monitors and integrated EEPROM for configuration storage.
3. TPS3839: Ultra-low-power voltage supervisor with adjustable reset timeout period and wide operating temperature range.

These alternative models offer similar functionality to the MAX815KESA+T but may have different specifications, package options, or additional features based on specific application requirements.

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