S-8240AAI-I6T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low-power voltage detector with watchdog timer
• Package: SOT-23-5
• Essence: Monitors voltage levels and provides reset signals
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

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

Detailed Pin Configuration

The S-8240AAI-I6T1U IC has a total of 5 pins: 1. VDD: Supply voltage input 2. GND: Ground reference 3. RESET: Active-low reset output 4. TEST: Test pin for watchdog timer 5. MR: Manual reset input

Functional Features

• Low-power consumption: The S-8240AAI-I6T1U operates at low power levels, making it suitable for battery-powered devices.
• Voltage monitoring: It continuously monitors the supply voltage and generates a reset signal when it falls below a certain threshold.
• Watchdog timer: The integrated watchdog timer ensures system integrity by resetting the device if it fails to receive a periodic signal from the microcontroller.
• Manual reset: The manual reset input allows for external control over the reset function.

Advantages and Disadvantages

Advantages: - Low-power operation extends battery life in portable devices. - Accurate voltage detection helps prevent system malfunctions. - Integrated watchdog timer enhances system reliability. - Small package size enables space-saving designs.

Disadvantages: - Limited operating temperature range may restrict certain applications. - Requires an external microcontroller to utilize the watchdog timer functionality.

Working Principles

The S-8240AAI-I6T1U operates by continuously monitoring the supply voltage. When the voltage drops below a predetermined threshold, the IC generates an active-low reset signal. This signal can be used to reset the microcontroller or other system components. Additionally, the integrated watchdog timer requires a periodic signal from the microcontroller to prevent it from timing out. If the microcontroller fails to provide this signal within the specified timeout period, the IC will generate a reset signal, ensuring system integrity.

Detailed Application Field Plans

The S-8240AAI-I6T1U is commonly used in various applications, including: 1. Battery-powered devices: It helps prevent unexpected shutdowns and data loss by providing a reset signal when the battery voltage drops below a safe level. 2. Industrial control systems: The watchdog timer feature ensures continuous operation by resetting the system if the microcontroller becomes unresponsive. 3. Automotive electronics: It enhances the reliability of automotive systems by monitoring critical voltages and initiating resets when necessary. 4. Home automation: The IC can be utilized to monitor power supply levels in smart home devices, ensuring stable operation.

Detailed and Complete Alternative Models

1. S-8254AAI-I6T1U: Similar to the S-8240AAI-I6T1U, but with an extended operating temperature range (-40°C to +105°C).
2. S-8232AAI-I6T1U: Low-power voltage detector without the watchdog timer functionality.
3. S-8261AAI-I6T1U: Voltage detector with adjustable detection voltage levels.

(Note: These alternative models are provided for reference purposes and may have different specifications and features.)

This entry provides comprehensive information about the S-8240AAI-I6T1U IC, including its basic overview, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.