DS1832S/T&R

Product Overview

• Category: Integrated Circuits
• Use: Supervisory Circuits
• Characteristics: Low-power, Precision Voltage Monitor
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Monitors the power supply voltage and provides a reset signal to the microcontroller or other digital systems when the voltage drops below a specified threshold.
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Threshold Voltage Options: 4.63V, 4.38V, 4.00V, 3.08V, 2.93V, 2.63V
• Reset Timeout Period: 140ms, 280ms, 560ms, 1120ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VCC: Power Supply Input
2. GND: Ground
3. MR: Manual Reset Input
4. RESET: Reset Output
5. TH: Threshold Voltage Selection Input
6. CT: Capacitor Connection for Reset Timeout
7. GND: Ground
8. VCC: Power Supply Input

Functional Features

• Monitors the power supply voltage continuously
• Provides a reset signal when the voltage drops below the selected threshold
• Adjustable threshold voltage options for flexibility
• Configurable reset timeout period for different applications
• Manual reset input for immediate system reset
• Low-power consumption for energy efficiency

Advantages

• Reliable voltage monitoring and reset functionality
• Wide operating voltage range for compatibility with various systems
• Flexible threshold voltage options to suit different requirements
• Adjustable reset timeout period for customization
• Compact and easy-to-use SOIC package
• Low-power design for energy-efficient applications

Disadvantages

• Limited to 8-pin SOIC package, may not be suitable for all applications requiring voltage monitoring and reset functionality
• No built-in hysteresis feature for noise immunity

Working Principles

The DS1832S/T&R operates by continuously monitoring the power supply voltage using an internal voltage comparator. When the voltage drops below the selected threshold, the reset output is activated, providing a low signal to the microcontroller or digital system. The reset signal remains active until the voltage rises above the threshold or a timeout period elapses.

Detailed Application Field Plans

The DS1832S/T&R is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are required. Some typical application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Industrial control systems
4. Power management circuits
5. Battery-powered devices
6. Automotive electronics
7. Home automation systems
8. Medical equipment

Detailed and Complete Alternative Models

1. MAX823: Low-Power Voltage Monitor with Manual Reset
2. ADM708: Precision Voltage Monitor with Watchdog Timer
3. TPS3808: Programmable Voltage Supervisor with Manual Reset
4. LTC2910: Dual Supply Monitor with Adjustable Thresholds
5. MCP131: Voltage Supervisory Circuits with Manual Reset

These alternative models offer similar voltage monitoring and reset functionality, but with different features and specifications to cater to diverse application requirements.

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