S-8209ABA-I8T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Detector with Watchdog Timer
• Characteristics:
  • Low power consumption
  • Wide operating voltage range
  • Built-in watchdog timer
  • Small package size
• Package: SOT-23-5
• Essence: The S-8209ABA-I8T1U is a voltage detector IC with a built-in watchdog timer. It is designed to monitor the voltage level of a power supply and provide a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: The S-8209ABA-I8T1U is typically sold in reels containing 3000 units.

Specifications

• Operating Voltage Range: 1.6V to 6.0V
• Detection Voltage Accuracy: ±1.0%
• Watchdog Timer Timeout Period: 1.6s (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-8209ABA-I8T1U has a total of 5 pins arranged as follows:

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| | --|----|-- |____| ```

Pin Configuration: 1. VDD: Power Supply Input 2. GND: Ground 3. RESET: Reset Output 4. TEST: Test Mode Input 5. WDI: Watchdog Timer Input

Functional Features

• Voltage Monitoring: The S-8209ABA-I8T1U continuously monitors the voltage level of the power supply and generates a reset signal when the voltage falls below the detection threshold.
• Watchdog Timer: The built-in watchdog timer ensures that the system remains operational by periodically resetting it if no activity is detected within the specified timeout period.
• Test Mode: The TEST pin allows the device to enter a test mode, enabling various diagnostic features for testing and debugging purposes.

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered applications. - Wide operating voltage range allows for flexibility in different power supply configurations. - Small package size enables space-saving designs.

Disadvantages: - Limited detection voltage accuracy of ±1.0% may not be sufficient for some precision applications. - The timeout period of the watchdog timer is fixed and cannot be adjusted.

Working Principles

The S-8209ABA-I8T1U operates by comparing the input voltage with a reference voltage. When the input voltage falls below the detection threshold, the RESET pin is activated, generating a reset signal. The built-in watchdog timer ensures system integrity by periodically monitoring system activity. If no activity is detected within the specified timeout period, a reset signal is generated.

Detailed Application Field Plans

The S-8209ABA-I8T1U can be used in various applications where voltage monitoring and system reset functionality are required. Some potential application fields include: - Battery-powered devices - Microcontrollers and microprocessors - Industrial control systems - Automotive electronics - Home automation systems

Detailed and Complete Alternative Models

• S-8209AAA-I8T1U: Similar voltage detector IC with a different detection voltage range.
• S-8209ABB-I8T1U: Voltage detector IC with additional features such as adjustable timeout period.
• S-8209ABC-I8T1U: Higher accuracy voltage detector IC with ±0.5% detection voltage accuracy.

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