APX809-46SRG-7

Product Overview

Category

APX809-46SRG-7 belongs to the category of electronic components.

Use

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

Characteristics

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

Package

APX809-46SRG-7 is available in a small SOT-23-3 package.

Essence

The essence of APX809-46SRG-7 lies in its ability to monitor and control the voltage levels in electronic systems, ensuring proper functioning and preventing damage.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Reset Threshold Voltage: 4.6V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 1μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

APX809-46SRG-7 has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin that indicates the status of the monitored voltage.

Functional Features

• Voltage Monitoring: APX809-46SRG-7 continuously monitors the input voltage and provides a reset signal when it falls below the specified threshold.
• Reset Generation: When the input voltage drops below the threshold, the RESET pin is pulled low, indicating a system reset condition.
• Reset Timeout: The reset signal remains active for a specific timeout period, allowing the system to stabilize before resuming normal operation.

Advantages and Disadvantages

Advantages

• Low power consumption ensures minimal impact on overall system performance.
• Wide operating voltage range makes it compatible with various electronic devices.
• 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 with similar specifications.

Working Principles

APX809-46SRG-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 comparator triggers the reset signal, indicating a system reset condition. The reset signal remains active for the specified timeout period, allowing the system to stabilize before resuming normal operation.

Detailed Application Field Plans

APX809-46SRG-7 finds applications in various electronic systems where voltage monitoring and reset functions are critical. Some potential application fields include:

1. Microcontrollers: Ensuring proper operation by monitoring supply voltage levels.
2. Power Management Systems: Protecting sensitive components from undervoltage conditions.
3. Battery-Powered Devices: Preventing damage due to excessive discharge.

Detailed and Complete Alternative Models

While APX809-46SRG-7 is a popular choice for voltage monitoring and reset functions, there are alternative models available in the market with similar features. Some notable alternatives include:

1. MAX809: Offers adjustable reset timeout period.
2. MCP100: Provides additional power-on reset functionality.
3. TPS3808: Includes programmable hysteresis for voltage monitoring.

These alternative models offer flexibility and customization options based on specific application requirements.

In conclusion, APX809-46SRG-7 is a versatile electronic component used for voltage monitoring and reset functions. Its low power consumption, wide operating voltage range, and small package size make it suitable for various electronic devices. While it has some limitations, alternative models provide additional features and customization options.