TL7712ACDE4

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Supervisor

Characteristics: - Monitors the power supply voltage of a system - Generates a reset signal when the voltage falls below a specified threshold - Ensures proper operation and prevents data corruption in electronic systems

Package: DFN (Dual Flat No-Lead)

Essence: The TL7712ACDE4 is a voltage supervisor IC designed to monitor the power supply voltage and provide a reset signal to the system when the voltage drops below a predetermined level.

Packaging/Quantity: The TL7712ACDE4 is available in a DFN package. It is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.3V, 4.38V, 4.63V, 4.75V
• Reset Timeout Period: 200ms, 400ms, 600ms, 1200ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TL7712ACDE4 has the following pin configuration:

1. GND: Ground reference for the IC.
2. VDD: Positive power supply input.
3. MR: Manual reset input. When pulled low, it overrides the monitoring function and forces a reset.
4. RESET: Output pin that provides a reset signal to the system.
5. VIT: Voltage input pin. Connects to the power supply voltage being monitored.

Functional Features

• Voltage Monitoring: The TL7712ACDE4 continuously monitors the power supply voltage and compares it to the preset threshold voltage.
• Reset Generation: When the monitored voltage falls below the threshold, the IC generates a reset signal to initiate a system reset.
• Manual Reset: The MR pin allows for a manual reset by pulling it low, overriding the monitoring function.
• Adjustable Threshold: The IC offers multiple threshold voltage options to suit different system requirements.
• Selectable Timeout Period: The reset timeout period can be configured to delay the reset signal after the voltage returns within the acceptable range.

Advantages and Disadvantages

Advantages: - Provides reliable voltage monitoring and reset functionality. - Adjustable threshold voltage and timeout period offer flexibility in system design. - Low power consumption. - Small form factor package saves board space.

Disadvantages: - Limited number of threshold voltage options. - Lack of built-in hysteresis may result in potential oscillations near the threshold voltage.

Working Principles

The TL7712ACDE4 operates by comparing the input voltage (VIT) with the preset threshold voltage. When VIT falls below the threshold, the internal circuitry triggers the RESET output, generating a reset signal. The reset signal remains active until the voltage rises above the threshold or the timeout period elapses.

Detailed Application Field Plans

The TL7712ACDE4 is widely used in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some common application fields include:

1. Microcontrollers and Microprocessors: Ensures proper initialization and prevents data corruption during power-up or voltage fluctuations.
2. Industrial Control Systems: Monitors power supply voltage to maintain stable operation and prevent damage to sensitive equipment.
3. Automotive Electronics: Provides voltage supervision to critical components, ensuring safe and reliable operation.
4. Communication Systems: Protects sensitive circuitry from voltage drops, preventing communication errors and system failures.
5. Power Management: Enables efficient power management by initiating system resets during abnormal voltage conditions.

Detailed and Complete Alternative Models

1. TL7702ACD: Similar voltage supervisor IC with adjustable threshold voltage and timeout period.
2. MAX823LEUK+: Voltage monitor IC with adjustable threshold voltage and built-in hysteresis.
3. ADM708TARZ: Microprocessor supervisory circuit with adjustable threshold voltage and watchdog timer functionality.

These alternative models offer similar features and can be considered as substitutes for the TL7712ACDE4 in different applications.

Word count: 524 words