TL7702BIDG4

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Supervisor

Characteristics: - Monitors the power supply voltage and provides a reset signal when the voltage falls below a specified threshold - Ensures proper system initialization and prevents erratic behavior during power-up and power-down sequences

Package: SOIC (Small Outline Integrated Circuit)

Essence: The TL7702BIDG4 is a voltage supervisor IC that ensures stable operation of electronic systems by monitoring the power supply voltage.

Packaging/Quantity: The TL7702BIDG4 is available in a standard SOIC package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2.7V to 18V
• Reset Threshold Voltage Options: 4.55V, 4.65V, 4.75V, 4.85V, 4.95V, 5.05V, 5.15V, 5.25V
• Reset Timeout Period: 200ms (min)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TL7702BIDG4 has a total of 8 pins:

1. VCC: Power supply input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET: Output reset signal
5. TH: Threshold selection pin
6. CT: Capacitor connection for reset timeout adjustment
7. NC: No connection
8. NC: No connection

Functional Features

• Monitors the power supply voltage continuously
• Generates a reset signal when the voltage falls below the selected threshold
• Provides a manual reset option through the MR pin
• Adjustable reset timeout period using an external capacitor

Advantages and Disadvantages

Advantages: - Ensures proper system initialization and stability - Prevents erratic behavior during power-up and power-down sequences - Wide supply voltage range allows for versatile applications - Multiple reset threshold options provide flexibility

Disadvantages: - Requires an external capacitor for reset timeout adjustment - Limited number of available pins for additional functionalities

Working Principles

The TL7702BIDG4 operates by continuously monitoring the power supply voltage. When the voltage falls below the selected threshold, it generates a reset signal to initiate system initialization. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered through the MR pin. The reset timeout period can be adjusted using an external capacitor connected to the CT pin.

Detailed Application Field Plans

The TL7702BIDG4 is commonly used in various electronic systems where stable operation is critical during power transitions. Some application fields include:

1. Microcontrollers and microprocessors
2. Industrial control systems
3. Automotive electronics
4. Power management circuits
5. Communication equipment

Detailed and Complete Alternative Models

1. TL7700IP - Voltage Supervisor with Fixed 4.55V Threshold
2. TL7705ACP - Voltage Supervisor with Adjustable Threshold
3. TL7709ACP - Voltage Supervisor with Adjustable Threshold and Watchdog Timer
4. TL7712ACP - Dual Voltage Supervisor with Adjustable Threshold

These alternative models offer similar functionality to the TL7702BIDG4 but may have different features or specifications that cater to specific application requirements.

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