TLC7703IPWRG4

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics:
  • Monitors the voltage level of a power supply or battery
  • Generates a reset signal when the voltage falls below a specified threshold
  • Prevents erratic behavior or data corruption in electronic systems
• Package: TSSOP-8
• Essence: Provides reliable voltage monitoring and reset functionality
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 18V
• Threshold Voltage Options: 2.32V, 2.93V, 3.08V, 3.63V, 4.38V, 4.63V, 4.88V, 5.63V
• Reset Timeout Period: 200ms, 400ms, 800ms, 1.6s, 3.1s, 6.3s, 12.5s, 25s
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 10µA (typical)

Detailed Pin Configuration

The TLC7703IPWRG4 has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | GND | Ground | | 2 | RESET | Reset Output| | 3 | VDD | Supply Voltage| | 4 | TH | Threshold Input| | 5 | MR | Manual Reset Input| | 6 | CT | Capacitor Connection| | 7 | NC | No Connect | | 8 | OUT | Power-On Reset Output|

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the threshold voltage.
• Provides a manual reset input for immediate system reset.
• Offers a power-on reset output to indicate when the supply voltage reaches the threshold level.
• Allows customization of threshold voltage and reset timeout period through external components.

Advantages

• Ensures reliable operation by preventing erratic behavior or data corruption during low voltage conditions.
• Low quiescent current consumption helps in power-sensitive applications.
• Wide operating temperature range enables usage in various environments.
• Flexible threshold voltage and reset timeout options cater to different system requirements.

Disadvantages

• Limited number of threshold voltage and reset timeout options may not suit all applications.
• Manual reset input requires external intervention for system reset.

Working Principles

The TLC7703IPWRG4 operates by continuously monitoring the supply voltage using the TH pin. When the voltage falls below the programmed threshold, the RESET pin is asserted, generating a reset signal. This signal remains active until the voltage rises above the threshold or a manual reset is applied through the MR pin. The CT pin is connected to an external capacitor to set the reset timeout period.

Detailed Application Field Plans

The TLC7703IPWRG4 finds applications in various fields, including: 1. Automotive electronics: Ensuring proper functioning of critical systems during voltage fluctuations. 2. Industrial control systems: Preventing data corruption and maintaining system integrity during power supply variations. 3. Medical devices: Safeguarding patient safety by resetting the system in case of voltage drops. 4. Consumer electronics: Protecting sensitive components from damage due to inadequate power supply.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TLC7703IPWRG4 are: 1. MAX823: Voltage supervisor with adjustable threshold and reset timeout options. 2. ADM6315: Microprocessor supervisory circuit with manual reset and watchdog timer. 3. MCP101: Low-power voltage detector with fixed threshold voltage and adjustable reset timeout.

(Note: The above alternatives are provided for reference purposes and may have different specifications and pin configurations.)

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