S-8261AAHMD-G2HT2U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Voltage Detector with Delay Circuit and Reset Output
• Package: SOT-89-5
• Essence: This IC 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: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Detection Voltage Range: 1.6V to 5.0V (100mV increments)
• Detection Accuracy: ±1.0%
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.0µA (typical)
• Delay Time: 200ms, 400ms, 800ms, or 1600ms (selectable)

Detailed Pin Configuration

The S-8261AAHMD-G2HT2U has a total of five pins: 1. VDD: Power supply input pin 2. GND: Ground pin 3. OUT: Reset output pin 4. SEL: Delay time selection pin 5. DET: Voltage detection pin

Functional Features

• Low Voltage Detection: Monitors the input voltage and provides a reset signal when it drops below the set threshold.
• Delay Circuit: Allows for a programmable delay time before generating the reset signal.
• Reset Output: Provides an active-low reset signal to the connected system.
• Wide Voltage Range: Can operate with a supply voltage as low as 1.6V, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - Accurate voltage detection with a small detection accuracy of ±1.0%. - Low quiescent current consumption, ensuring minimal power loss. - Selectable delay time allows for customization based on specific application requirements.

Disadvantages: - Limited to a maximum supply voltage of 6.0V, which may not be suitable for high-voltage applications. - The SOT-89-5 package may require additional space compared to smaller packages.

Working Principles

The S-8261AAHMD-G2HT2U operates by continuously monitoring the input voltage through the DET pin. When the voltage falls below the set detection threshold, the IC triggers the delay circuit. After the programmed delay time, the IC generates an active-low reset signal on the OUT pin. This reset signal can be used to initiate system recovery or perform other necessary actions.

Detailed Application Field Plans

The S-8261AAHMD-G2HT2U is commonly used in various electronic devices and systems that require reliable power management. Some potential application fields include: - Battery-powered devices: Ensures proper shutdown or system reset when the battery voltage drops below a critical level. - Industrial control systems: Provides a reset signal to restart the system after a power failure or voltage drop. - Automotive electronics: Monitors the vehicle's power supply and initiates appropriate actions in case of voltage fluctuations.

Detailed and Complete Alternative Models

1. S-8261ABDMD-G3JT2G: Similar low voltage detector with a different package (SOT-23-5) and wider operating temperature range (-40°C to +105°C).
2. S-8261AADMD-G3JT2G: Low voltage detector with a fixed delay time of 200ms and a different package (SOT-23-5).

(Note: These alternative models are provided as examples and may not cover all available options.)

This entry provides comprehensive information about the S-8261AAHMD-G2HT2U, including its product details, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.