S-8261ACWMD-G4WT2U

Product Overview

Category

S-8261ACWMD-G4WT2U belongs to the category of voltage detectors and reset ICs.

Use

This product is primarily used for monitoring and controlling voltage levels in electronic circuits. It ensures proper functioning by providing a reset signal when the voltage falls below a specified threshold.

Characteristics

• Voltage detection range: 0.9V to 6.0V
• Low current consumption: 0.7µA (typical)
• Wide operating temperature range: -40°C to +85°C
• Small package size: WLP-4-03 (0.8mm x 0.8mm)

Package and Quantity

The S-8261ACWMD-G4WT2U comes in a small WLP-4-03 package, measuring 0.8mm x 0.8mm. It is available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Supply voltage range: 0.9V to 6.0V
• Reset threshold voltage options: 2.3V, 2.5V, 2.6V, 2.8V, 3.0V, 3.1V, 3.3V, 3.5V, 4.0V, 4.5V, 5.0V, 5.5V
• Detection delay time: 200ms (typical)
• Output type: Active low
• Quiescent current: 0.7µA (typical)
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The S-8261ACWMD-G4WT2U has the following pin configuration:

1. VDD: Supply voltage input
2. GND: Ground reference
3. RESET: Active low reset output
4. TEST: Test pin for factory calibration (optional)

Functional Features

• Voltage monitoring: The S-8261ACWMD-G4WT2U continuously monitors the supply voltage and generates a reset signal when it falls below the specified threshold.
• Low power consumption: With a quiescent current of only 0.7µA, this IC minimizes power consumption in battery-powered applications.
• Wide operating temperature range: The device can operate reliably in a wide temperature range from -40°C to +85°C.
• Small package size: The compact WLP-4-03 package allows for space-efficient integration into various electronic designs.

Advantages and Disadvantages

Advantages

• Accurate voltage detection with multiple threshold options
• Low power consumption prolongs battery life
• Wide operating temperature range ensures reliability in extreme conditions
• Compact package size enables integration in space-constrained applications

Disadvantages

• Limited number of threshold voltage options
• Lack of built-in hysteresis feature

Working Principles

The S-8261ACWMD-G4WT2U operates by comparing the supply voltage with the preset threshold voltage. When the supply voltage drops below the threshold, the reset output is activated, indicating a power failure or abnormal voltage condition. This signal can be used to trigger system resets or initiate appropriate actions to prevent data corruption or malfunction.

Detailed Application Field Plans

The S-8261ACWMD-G4WT2U finds application in various electronic systems where reliable voltage monitoring is crucial. Some potential fields of application include:

1. Battery-powered devices: Portable electronics, IoT sensors, and wearable devices benefit from accurate voltage monitoring to optimize power usage and ensure safe operation.
2. Automotive systems: The IC can be used in automotive electronics to monitor battery voltage and trigger appropriate actions, such as shutting down non-essential systems during low voltage conditions.
3. Industrial equipment: Voltage monitoring is essential in industrial control systems to prevent damage to sensitive components and ensure uninterrupted operation.

Detailed and Complete Alternative Models

1. S-8261ABD-G4BWT2U: Similar to S-8261ACWMD-G4WT2U but with a different package (SNT-4A)
2. S-8261AAD-G4BWT2U: Voltage detector and reset IC with adjustable threshold voltage
3. S-8261BCD-G4BWT2U: Voltage detector and reset IC with built-in hysteresis feature

These alternative models offer similar functionality and can be considered based on specific application requirements.

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