TLC2932AIPWG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision, Adjustable Threshold
• Package: PWG (PowerPAD™ SOIC-8)
• Essence: Monitors and controls the voltage level of a system
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 18V
• Threshold Voltage Options: Adjustable or Fixed
• Reset Time Delay: Programmable
• Operating Temperature Range: -40°C to +125°C
• Output Type: Active-Low or Active-High
• Quiescent Current: 10µA (typical)

Pin Configuration

The TLC2932AIPWG4 has a standard SOIC-8 package with the following pin configuration:

___________ | | NC |1 8| VCC NC |2 7| RESET GND|3 6| THRESHOLD NC |4 5| OUTPUT |___________|

Functional Features

• Monitors the supply voltage and provides a reset signal when it falls below a certain threshold.
• Adjustable threshold voltage allows customization for different applications.
• Programmable reset time delay ensures stability during power-up or brownout conditions.
• Active-low or active-high output options provide flexibility in system design.
• Low quiescent current minimizes power consumption.

Advantages and Disadvantages

Advantages: - Wide supply voltage range enables compatibility with various systems. - Adjustable threshold voltage offers versatility in voltage monitoring. - Programmable reset time delay enhances system stability. - Low power consumption prolongs battery life. - Small package size saves board space.

Disadvantages: - Limited number of pins may restrict the functionality in complex systems. - Lack of built-in hysteresis may lead to false triggering in noisy environments.

Working Principles

The TLC2932AIPWG4 operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the threshold set by the user, the reset output is activated. The reset remains active until the voltage rises above the threshold and the reset time delay elapses. This ensures proper system initialization and prevents erratic behavior during power-up or voltage fluctuations.

Application Field Plans

The TLC2932AIPWG4 finds applications in various fields, including:

1. Power Management: Ensuring stable operation of power supplies and preventing damage due to undervoltage conditions.
2. Microcontrollers: Resetting microcontrollers when the supply voltage drops below a safe level, preventing data corruption.
3. Industrial Control Systems: Monitoring critical voltages in industrial equipment to prevent malfunctions and ensure safety.
4. Automotive Electronics: Protecting sensitive electronic components from voltage transients and ensuring reliable operation.
5. Battery-Powered Devices: Extending battery life by efficiently managing power consumption and preventing deep discharge.

Alternative Models

1. TLV803: Similar voltage supervisor IC with fixed threshold options and push-pull output.
2. MAX823: Voltage monitor IC with adjustable threshold and integrated watchdog timer.
3. ADM6315: Precision voltage monitor with adjustable threshold and open-drain output.
4. MCP101: Low-power voltage supervisor with fixed threshold and active-low output.

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

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