S-8261ACEMD-G4ET2U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Voltage Detector with Delay Circuit and Reset Output
• Package: SOT-23-5
• Essence: This IC is designed to monitor the voltage level of a power supply and provide a reset signal when the voltage drops 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 (in 0.1V steps)
• Detection Accuracy: ±1.5%
• Quiescent Current: 0.7μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-8261ACEMD-G4ET2U has a total of 5 pins: 1. VDD: Power supply input 2. GND: Ground reference 3. OUT: Open-drain output for reset signal 4. SEL: Voltage detection level selection pin 5. DELAY: Delay time selection pin

Functional Features

• Low Voltage Detection: Monitors the input voltage and generates a reset signal when it falls below the selected detection voltage.
• Delay Circuit: Provides an adjustable delay time before generating the reset signal, preventing false triggering due to temporary voltage fluctuations.
• Reset Output: The open-drain output pin provides a reset signal to the connected system or device.
• Wide Voltage Range: Supports a wide supply voltage range, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - Accurate voltage monitoring with low detection accuracy deviation. - Adjustable delay time prevents false triggering. - Small package size allows for space-saving designs. - Wide operating temperature range enables usage in harsh environments.

Disadvantages: - Limited voltage detection range (1.6V to 5.0V). - Requires an external pull-up resistor for the reset signal.

Working Principles

The S-8261ACEMD-G4ET2U operates by continuously monitoring the input voltage level using an internal voltage reference. When the voltage drops below the selected detection threshold, the IC triggers a delay circuit. After the specified delay time, it generates a reset signal through the open-drain output pin. This reset signal can be used to initiate system resets or trigger other actions.

Detailed Application Field Plans

The S-8261ACEMD-G4ET2U is commonly used in various electronic devices and systems that require reliable power management. Some 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 voltage monitoring and reset functionality for stable operation of control units. - Automotive electronics: Protects sensitive components from voltage fluctuations and initiates system resets if necessary. - Home appliances: Ensures safe operation and protects circuits from damage due to low voltage conditions.

Detailed and Complete Alternative Models

• S-8261AAKMD-G3JT2G: Similar low voltage detector with adjustable delay and reset output, available in SC-82AB package.
• S-8261AADMD-G3JT2G: Low voltage detector with fixed delay and reset output, available in SOT-23-5 package.
• S-8261AADM-G3JT2G: Low voltage detector with fixed delay and push-pull output, available in SOT-23-5 package.
• S-8261AANMD-G3JT2G: Low voltage detector with fixed delay and reset output, available in SOT-23-5 package.

(Note: The above alternative models are just a few examples and not an exhaustive list.)

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