APX809S05-29SA-7

Product Overview

Category

APX809S05-29SA-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
• High accuracy
• Wide operating voltage range
• Small package size
• RoHS compliant

Package

The APX809S05-29SA-7 comes in a compact SOT-23-3 package.

Essence

The essence of this product lies in its ability to accurately monitor voltage levels and provide reliable detection in various electronic applications.

Packaging/Quantity

The APX809S05-29SA-7 is typically packaged in reels, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.0V to 6.0V
• Threshold Voltage: 2.93V ± 1.5%
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.0μA (typical)
• Output Type: Active-Low
• Reset Timeout Period: 140ms (typical)

Detailed Pin Configuration

The APX809S05-29SA-7 has three pins:

1. VDD: This pin is connected to the positive supply voltage.
2. GND: This pin is connected to the ground or negative supply voltage.
3. RESET: This pin outputs an active-low signal when the monitored voltage falls below the threshold.

Functional Features

• Voltage Monitoring: The APX809S05-29SA-7 continuously monitors the input voltage and provides a reset signal when it drops below the threshold voltage.
• Reset Signal Generation: When the monitored voltage falls below the threshold, the RESET pin outputs a low signal, indicating the need for a system reset.
• Low Power Consumption: The device operates with minimal power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• High accuracy voltage monitoring
• Wide operating voltage range
• Small package size allows for space-saving designs
• Low power consumption prolongs battery life
• RoHS compliant, ensuring environmental friendliness

Disadvantages

• Fixed threshold voltage may not be suitable for all applications
• Lack of adjustable timeout period limits flexibility in certain scenarios

Working Principles

The APX809S05-29SA-7 utilizes a precision voltage reference and comparator to monitor the input voltage. When the voltage drops below the threshold, the comparator triggers the RESET pin, generating a low signal. This signal can be used to initiate a system reset or trigger other actions based on the specific application requirements.

Detailed Application Field Plans

The APX809S05-29SA-7 finds applications in various fields, including:

1. Battery-Powered Devices: It is commonly used in portable electronic devices, such as smartphones, tablets, and wearable devices, to monitor battery voltage and trigger low-battery warnings or shutdowns.
2. Industrial Control Systems: The voltage detector ensures stable operation of control systems by providing timely reset signals when the supply voltage deviates from the desired range.
3. Automotive Electronics: It plays a crucial role in automotive electronics, monitoring critical voltages and triggering appropriate actions to ensure safe and reliable operation.

Detailed and Complete Alternative Models

1. APX809-29SAG-7: Similar to APX809S05-29SA-7 but with a different threshold voltage.
2. APX809T26-29SAG-7: Offers an adjustable timeout period in addition to voltage monitoring.
3. APX809R-29SAG-7: Provides a higher threshold voltage for specific applications.

These alternative models offer similar functionality with slight variations to cater to different voltage monitoring requirements.

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