APX803L05-29SA-7

Product Overview

Category

APX803L05-29SA-7 belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the voltage levels in electronic circuits.

Characteristics

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

Package

The APX803L05-29SA-7 comes in a compact SOT-23-3 package.

Essence

This product ensures stable voltage supply by monitoring the input voltage and generating a reset signal when it falls below a certain threshold.

Packaging/Quantity

The APX803L05-29SA-7 is typically packaged in reels, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage: 2.9V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 1μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX803L05-29SA-7 has three pins:

1. VDD: Connect this pin to the power supply voltage.
2. GND: Connect this pin to the ground.
3. RESET: This pin outputs a reset signal when the input voltage falls below the threshold.

Functional Features

• Voltage Monitoring: The APX803L05-29SA-7 continuously monitors the input voltage.
• Reset Generation: When the input voltage drops below the threshold, the device generates a reset signal.
• Reset Timeout: The reset signal remains active for a specific timeout period after the voltage returns to normal.

Advantages and Disadvantages

Advantages

• Low power consumption ensures energy efficiency.
• Wide operating voltage range makes it compatible with various applications.
• High accuracy ensures reliable voltage monitoring.
• Small package size allows for space-saving 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

The APX803L05-29SA-7 operates by comparing the input voltage with the preset threshold. When the voltage drops below the threshold, the device triggers a reset signal. This signal remains active for a specific timeout period, allowing the system to reset and stabilize before resuming normal operation.

Detailed Application Field Plans

The APX803L05-29SA-7 finds application in various electronic systems where voltage monitoring and control are critical. Some potential fields of application include:

1. Battery-Powered Devices: Ensuring stable voltage supply in portable devices such as smartphones, tablets, and wearables.
2. Industrial Control Systems: Monitoring power supply voltages in industrial automation and control systems.
3. Automotive Electronics: Voltage supervision in automotive applications, including engine control units and safety systems.
4. IoT Devices: Maintaining reliable voltage levels in Internet of Things (IoT) devices for seamless connectivity and operation.

Detailed and Complete Alternative Models

While the APX803L05-29SA-7 is a popular choice, there are alternative models available from different manufacturers that offer similar functionality. Some notable alternatives include:

1. MAX803L: Manufactured by Maxim Integrated, this voltage supervisor offers adjustable reset timeout periods.
2. MCP130: Produced by Microchip Technology, this device provides additional features like manual reset input and watchdog timer functionality.
3. TPS3808: Texas Instruments' offering, which includes a wide range of voltage supervisor ICs with various threshold options.

These alternative models provide designers with flexibility and options based on their specific requirements.

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