APX803D-29SAG-7

Product Overview

Category

APX803D-29SAG-7 belongs to the category of electronic components.

Use

This product is commonly used in electronic circuits for voltage monitoring and reset functions.

Characteristics

• Low power consumption
• Wide operating voltage range
• High accuracy
• Small package size

Package

APX803D-29SAG-7 is available in a small surface mount SOT-23-3 package.

Essence

The essence of APX803D-29SAG-7 lies in its ability to provide accurate voltage monitoring and reset functionality in various electronic applications.

Packaging/Quantity

This product is typically packaged in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Operating Voltage Range: 2.5V to 5.5V
• Reset Threshold Voltage: 2.93V
• Reset Timeout Period: 200ms (typical)
• Quiescent Current: 1μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

APX803D-29SAG-7 has three pins arranged as follows:

1. VDD: Power supply input pin
2. GND: Ground reference pin
3. RESET: Output pin for reset signal

Functional Features

• Voltage Monitoring: APX803D-29SAG-7 continuously monitors the input voltage and provides a reset signal when it falls below the specified threshold.
• Reset Functionality: The device asserts the RESET pin low when the monitored voltage drops below the threshold, and keeps it low until the voltage rises above the threshold for a specified timeout period.

Advantages and Disadvantages

Advantages

• Low power consumption ensures minimal impact on overall system power consumption.
• Wide operating voltage range allows for compatibility with various electronic circuits.
• High accuracy ensures reliable voltage monitoring and reset functionality.
• Small package size enables space-saving integration into compact designs.

Disadvantages

• The reset timeout period may not be adjustable, limiting flexibility in certain applications.
• Limited availability of alternative models from other manufacturers.

Working Principles

APX803D-29SAG-7 operates based on a voltage comparator circuit. It compares the input voltage with the preset threshold voltage. When the input voltage drops below the threshold, the device triggers a reset signal. The reset signal remains active until the input voltage rises above the threshold for the specified timeout period.

Detailed Application Field Plans

APX803D-29SAG-7 finds applications in various electronic systems where voltage monitoring and reset functionality are crucial. Some common application fields include:

1. Microcontrollers: Ensuring proper reset functionality during power-up and voltage fluctuations.
2. Battery-Powered Devices: Monitoring battery voltage to prevent damage due to undervoltage conditions.
3. Industrial Control Systems: Providing reliable reset signals for critical control circuits.
4. Automotive Electronics: Ensuring proper operation of vehicle control modules by monitoring supply voltage.

Detailed and Complete Alternative Models

While APX803D-29SAG-7 is a popular choice, there are alternative models available from different manufacturers that offer similar functionality. Some notable alternatives include:

1. MAX803: Manufactured by Maxim Integrated, this series offers a wide range of reset threshold voltages and timeout periods.
2. MCP809: Produced by Microchip Technology, this series provides additional features such as manual reset input and adjustable reset timeout.
3. TPS383: Texas Instruments' offering, which includes options with ultra-low quiescent current and adjustable reset threshold.

These alternative models provide designers with a range of options to suit specific application requirements.

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