DS1232LPS/T&R

Product Overview

Category

The DS1232LPS/T&R belongs to the category of supervisory circuits, specifically designed for monitoring power supply voltage levels.

Use

It is used to monitor the power supply voltage and reset the microcontroller or other digital systems in the event of a power failure or voltage drop below a predefined threshold.

Characteristics

• Low power consumption
• Small package size
• Wide operating voltage range
• Built-in watchdog timer

Package

The DS1232LPS/T&R comes in a small 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of this product lies in its ability to ensure reliable operation of digital systems by monitoring power supply voltage levels and providing a reset signal when necessary.

Packaging/Quantity

The DS1232LPS/T&R is typically packaged in tape and reel format, with a quantity of 2500 units per reel.

Specifications

• Operating Voltage Range: 2.5V to 5.5V
• Reset Threshold Voltage: 4.65V
• Watchdog Timer Timeout Period: 1.6 seconds
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

1. VCC - Power Supply Input
2. GND - Ground
3. RESET - Reset Output
4. MR - Manual Reset Input
5. C - Watchdog Timer Input
6. NC - No Connection
7. NC - No Connection
8. NC - No Connection

Functional Features

• Voltage monitoring and reset generation
• Built-in watchdog timer for system supervision
• Manual reset input for external reset control
• Wide operating voltage range for versatility

Advantages and Disadvantages

Advantages

• Low power consumption
• Small package size
• Wide operating voltage range
• Built-in watchdog timer for enhanced system reliability

Disadvantages

• Limited to monitoring single power supply voltage
• Requires external components for specific timing requirements

Working Principles

The DS1232LPS/T&R monitors the power supply voltage and compares it to the preset threshold voltage. If the voltage drops below the threshold, the device generates a reset signal to ensure proper operation of the connected digital system. Additionally, the built-in watchdog timer provides further supervision of the system's operation and can generate a reset if the system fails to respond within the specified timeout period.

Detailed Application Field Plans

The DS1232LPS/T&R is commonly used in various embedded systems, including: - Microcontroller-based systems - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the DS1232LPS/T&R include: - MAX1232 - TC54 - ADM1232 - MCP809

Note: The above list is not exhaustive and there are several other alternatives available in the market.

In conclusion, the DS1232LPS/T&R is a versatile supervisory circuit that plays a crucial role in ensuring the reliable operation of digital systems by monitoring power supply voltage levels and providing essential reset functions when needed.

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