APX809S-46SA-7

Product Overview

Category

APX809S-46SA-7 belongs to the category of voltage detectors.

Use

This product is primarily used for monitoring and detecting voltage levels in electronic circuits.

Characteristics

• Low power consumption
• Wide operating voltage range
• High accuracy
• Compact size

Package

The APX809S-46SA-7 comes in a small surface-mount SOT-23 package.

Essence

The essence of this product lies in its ability to accurately monitor voltage levels and provide a reliable output signal.

Packaging/Quantity

The APX809S-46SA-7 is typically packaged in reels, with 3000 units per reel.

Specifications

• Operating Voltage Range: 1.2V to 6.0V
• Threshold Voltage: 4.6V ± 1.5%
• Quiescent Current: 1μA (typical)
• Output Type: Active-Low
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX809S-46SA-7 has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Active-low reset output pin.

Functional Features

• Accurate voltage monitoring: The APX809S-46SA-7 provides precise detection of voltage levels within the specified range.
• Active-low reset output: The reset pin goes low when the monitored voltage drops below the threshold, indicating a power failure or abnormal condition.
• Low power consumption: With a quiescent current of only 1μA, this device minimizes power consumption in battery-powered applications.

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring.
• Low power consumption extends battery life.
• Compact size allows for easy integration into small electronic devices.

Disadvantages

• Limited operating voltage range (1.2V to 6.0V).
• Active-low output may require additional circuitry for certain applications.

Working Principles

The APX809S-46SA-7 operates based on a voltage comparator circuit. It compares the input voltage with the internally set threshold voltage. When the input voltage drops below the threshold, the reset pin goes low, indicating a power failure or abnormal condition.

Detailed Application Field Plans

The APX809S-46SA-7 finds applications in various fields, including:

1. Battery-powered devices: It can be used to monitor battery voltage and trigger actions when the voltage drops below a certain level.
2. Power supply monitoring: The device can detect power supply failures and initiate appropriate actions, such as system shutdown or backup power activation.
3. Industrial control systems: It is suitable for monitoring voltage levels in control circuits to ensure stable operation and prevent damage due to voltage fluctuations.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the APX809S-46SA-7 include:

1. MAX809: Manufactured by Maxim Integrated, this series offers various threshold voltage options and package types.
2. MCP120: Produced by Microchip Technology, it provides similar voltage monitoring capabilities in different package options.
3. TLV803: Texas Instruments' offering with adjustable threshold voltage and low-power consumption.

These alternative models provide flexibility in terms of voltage thresholds, package options, and additional features, allowing users to choose the most suitable option for their specific application.

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