S-8261AAGMD-G2GT2G

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low power consumption - High efficiency - Wide input voltage range - Overcurrent protection - Overvoltage protection - Undervoltage lockout - Thermal shutdown protection

Package: SOP-8

Essence: Voltage Detector with Delay Circuit and Built-in Watchdog Timer

Packaging/Quantity: Tape and Reel / 3000 units per reel

Specifications

• Input Voltage Range: 1.6V to 6.0V
• Output Voltage: Selectable options from 1.2V to 5.0V in 0.1V increments
• Quiescent Current: 1.0µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-8261AAGMD-G2GT2G has the following pin configuration:

| Pin No. | Pin Name | Function | |---------|----------|----------| | 1 | VDD | Power Supply Input | | 2 | GND | Ground | | 3 | CE | Chip Enable | | 4 | RESET | Reset Output | | 5 | OUT | Output Voltage | | 6 | SEL | Voltage Selection | | 7 | CT | Capacitor Connection | | 8 | WD | Watchdog Timer Input |

Functional Features

• Voltage detection with selectable output voltage
• Delay circuit for stable power supply control
• Built-in watchdog timer for system monitoring
• Overcurrent protection prevents damage to the IC and connected devices
• Overvoltage protection safeguards against excessive voltage levels
• Undervoltage lockout prevents operation below specified voltage levels
• Thermal shutdown protection prevents overheating

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile applications - Low power consumption increases energy efficiency - High efficiency ensures optimal power management - Overcurrent, overvoltage, and undervoltage protection enhance system reliability - Built-in watchdog timer provides system monitoring capabilities

Disadvantages: - Limited output voltage options in 0.1V increments - SOP-8 package may not be suitable for all applications

Working Principles

The S-8261AAGMD-G2GT2G is a voltage detector IC that monitors the input voltage and generates a reset signal when it falls below or exceeds the specified threshold. It incorporates a delay circuit to ensure stable power supply control during power-up and power-down sequences. The built-in watchdog timer monitors the system's operation and generates a reset signal if it detects abnormal behavior.

Detailed Application Field Plans

The S-8261AAGMD-G2GT2G is widely used in various electronic devices and systems where reliable power management is crucial. Some of its application fields include:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearable devices, benefit from the low power consumption and wide input voltage range of the S-8261AAGMD-G2GT2G.

2. Industrial equipment: The IC's overcurrent and overvoltage protection features make it suitable for use in industrial control systems, motor drives, and power supplies.

3. Automotive electronics: The S-8261AAGMD-G2GT2G can be employed in automotive applications, including vehicle control units, infotainment systems, and lighting systems, to ensure stable power supply and protect against voltage fluctuations.

4. Home appliances: The IC can be integrated into home appliances like refrigerators, air conditioners, and washing machines to enhance power management and protect against voltage-related issues.

Detailed and Complete Alternative Models

1. S-8261AAGMD-G2JT2G: Similar to the S-8261AAGMD-G2GT2G, but with a different package (SOT-23-5) and lower quiescent current (0.8µA typical).

2. S-8261AAGMD-G3JT2G: Another alternative with a different package (SOT-23-5) and higher output voltage options (up to 6.0V).

3. S-8261AAGMD-G4JT2G: Similar to the S-8261AAGMD-G2GT2G, but with a different package (SOT-23-5) and additional features like a manual reset input and adjustable delay time.

These alternative models provide similar functionality with slight variations in package type, quiescent current, output voltage options, and additional features.

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