DS1832S+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The DS1832S+ is a supervisory circuit designed to monitor the power supply voltage of electronic devices and provide a reset signal when necessary. It ensures reliable operation by preventing erratic behavior or data corruption caused by unstable power supply conditions.

Characteristics: - Monitors power supply voltage - Provides reset signal - Ensures reliable operation - Prevents erratic behavior and data corruption

Package: The DS1832S+ comes in a small outline integrated circuit (SOIC) package, which is widely used for surface mount applications. This package offers compactness and ease of installation.

Essence: The essence of the DS1832S+ lies in its ability to monitor power supply voltage and provide a reset signal, ensuring the stability and reliability of electronic devices.

Packaging/Quantity: The DS1832S+ is typically sold in reels containing a quantity of 250 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Reset Threshold Voltage: Adjustable from 1.2V to VCC-0.6V
• Reset Timeout Period: Adjustable from 140ms to 1120ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The DS1832S+ has the following pin configuration:

1. GND: Ground connection
2. RESET: Output reset signal
3. VCC: Power supply voltage input
4. MR: Manual reset input
5. SENSE: Voltage sense input

Functional Features

• Power Supply Monitoring: The DS1832S+ continuously monitors the power supply voltage to detect any deviations from the desired range.
• Reset Signal Generation: When the power supply voltage falls below the preset threshold, the DS1832S+ generates a reset signal to initiate a system reset.
• Adjustable Threshold and Timeout: The threshold voltage and timeout period can be adjusted according to the specific requirements of the application.
• Manual Reset Capability: The DS1832S+ provides a manual reset input (MR) for initiating a reset externally.
• Low Power Consumption: The circuit operates with low power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - Ensures reliable operation by monitoring power supply voltage - Prevents erratic behavior and data corruption caused by unstable power supply conditions - Adjustable threshold and timeout settings for flexibility - Manual reset capability for external control - Low power consumption for energy efficiency

Disadvantages: - Limited to surface mount applications due to the SOIC package - Requires additional components for complete power supply monitoring system

Working Principles

The DS1832S+ works by continuously monitoring the power supply voltage through the SENSE pin. It compares the sensed voltage with the preset threshold voltage. If the voltage falls below the threshold, indicating an unstable power supply, the DS1832S+ generates a reset signal on the RESET pin. This signal triggers a system reset, ensuring reliable operation.

Detailed Application Field Plans

The DS1832S+ finds applications in various electronic devices where stable power supply monitoring is crucial. Some potential application fields include: 1. Microcontrollers and microprocessors 2. Embedded systems 3. Industrial automation equipment 4. Communication devices 5. Automotive electronics

Detailed and Complete Alternative Models

1. DS1831: Similar to DS1832S+, but without adjustable threshold and timeout settings.
2. MAX823: Offers similar power supply monitoring and reset functionality.
3. TPS3808: Provides advanced power supply monitoring features with adjustable parameters.

These alternative models offer similar functionality to the DS1832S+ and can be considered based on specific application requirements.

In conclusion, the DS1832S+ is an integrated circuit that plays a vital role in ensuring stable power supply monitoring and reliable operation of electronic devices. With its adjustable settings, low power consumption, and manual reset capability, it offers flexibility and convenience in various applications.