TLC7701QPWRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Reset Generation
• Package: TSSOP-8
• Essence: Monolithic CMOS Voltage Supervisor
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 6V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.63V, 4.38V, 4.63V, 4.88V
• Reset Timeout Period Options: 20ms, 140ms, 270ms, 560ms, 1.12s, 2.25s, 4.5s, 9s
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 10µA (typical)

Detailed Pin Configuration

The TLC7701QPWRG4 has the following pin configuration:

1. GND: Ground
2. VDD: Supply Voltage
3. MR: Manual Reset Input
4. RESET: Reset Output
5. TH: Threshold Voltage Selection
6. TO: Timeout Period Selection
7. CT: Capacitor Connection for Timeout Period
8. NC: No Connect

Functional Features

• Monitors supply voltage and generates a reset signal when it falls below a specified threshold.
• Provides manual reset capability through the MR pin.
• Offers various threshold voltage and timeout period options for flexibility in different applications.
• Low quiescent current consumption makes it suitable for battery-powered devices.
• Wide operating temperature range allows usage in extreme environments.

Advantages and Disadvantages

Advantages

• Precise voltage monitoring ensures reliable system operation.
• Flexible threshold voltage and timeout period options cater to diverse application requirements.
• Low-power consumption extends battery life in portable devices.
• Small package size (TSSOP-8) enables space-efficient designs.

Disadvantages

• Limited number of threshold voltage and timeout period options may not cover all possible scenarios.
• Lack of adjustable hysteresis may restrict its suitability for certain applications requiring precise voltage control.

Working Principles

The TLC7701QPWRG4 operates by continuously monitoring the supply voltage using an internal voltage reference. When the supply voltage drops below the selected threshold voltage, the reset output is activated, indicating a power failure or low voltage condition. The reset signal remains active until the supply voltage rises above the threshold voltage and the timeout period elapses.

Detailed Application Field Plans

The TLC7701QPWRG4 finds applications in various fields, including:

1. Automotive: Used in automotive electronics to monitor the vehicle's electrical system and ensure proper functioning of critical components.
2. Industrial Control Systems: Provides voltage supervision in industrial control systems to prevent malfunctions and ensure safe operation.
3. Consumer Electronics: Integrated into consumer electronic devices to protect sensitive components from voltage fluctuations and ensure reliable performance.
4. Medical Devices: Ensures the stable operation of medical devices by monitoring the power supply and generating a reset signal when necessary.
5. Telecommunications: Used in telecommunications equipment to monitor power supply integrity and initiate appropriate actions during voltage anomalies.

Detailed and Complete Alternative Models

1. TL7700: Similar voltage supervisor IC with adjustable threshold voltage and timeout period options.
2. MAX823: Voltage supervisor IC with adjustable hysteresis and wide operating temperature range.
3. ADM6315: Precision voltage monitor with manual reset and adjustable timeout period.
4. MCP101: Low-power voltage supervisor with multiple threshold voltage options and small package size.

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