TLC7705IPWRG4

Product Overview

Category

TLC7705IPWRG4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a voltage supervisor and reset generator.

Characteristics

• Low supply current
• Wide supply voltage range
• Adjustable precision voltage threshold
• Open-drain output
• Power-on reset delay time: 200 ms (typical)

Package

TLC7705IPWRG4 is available in a small outline package (SOP) with a width of 3.9 mm and a length of 4.9 mm.

Essence

The essence of TLC7705IPWRG4 lies in its ability to monitor the power supply voltage and generate a reset signal when the voltage falls below a certain threshold.

Packaging/Quantity

This product is typically packaged in reels, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.2 V to 6 V
• Operating Temperature Range: -40°C to +85°C
• Output Type: Open-drain
• Reset Threshold Voltage: Adjustable from 1.2 V to 5 V
• Quiescent Current: 10 µA (typical)
• Power-On Reset Delay Time: 200 ms (typical)

Detailed Pin Configuration

TLC7705IPWRG4 has the following pin configuration:

1. GND (Ground)
2. VDD (Supply Voltage)
3. MR (Manual Reset)
4. RESET (Reset Output)

Functional Features

1. Voltage Monitoring: The TLC7705IPWRG4 continuously monitors the supply voltage.
2. Precision Threshold: The voltage threshold for generating a reset signal can be adjusted precisely.
3. Open-Drain Output: The reset output is an open-drain, allowing easy interfacing with other devices.
4. Power-On Reset Delay: The device provides a delay of 200 ms before generating the reset signal upon power-up.

Advantages and Disadvantages

Advantages

• Low supply current ensures minimal power consumption.
• Wide supply voltage range allows compatibility with various systems.
• Adjustable precision voltage threshold offers flexibility in different applications.
• Open-drain output simplifies interfacing with other components.

Disadvantages

• Limited to voltage monitoring and reset generation functionality.
• Not suitable for applications requiring complex supervisory functions.

Working Principles

The TLC7705IPWRG4 operates by comparing the supply voltage with an adjustable threshold voltage. When the supply voltage falls below the threshold, the reset output is activated, indicating a power failure or low voltage condition. The open-drain output can be connected to a microcontroller or other devices to initiate appropriate actions, such as system reset or shutdown.

Detailed Application Field Plans

TLC7705IPWRG4 finds applications in various fields, including:

1. Automotive Electronics: Used for voltage monitoring and reset generation in automotive systems.
2. Industrial Control Systems: Ensures reliable operation by monitoring power supply voltage.
3. Consumer Electronics: Provides protection against voltage fluctuations in electronic devices.
4. Medical Equipment: Ensures proper functioning by detecting low voltage conditions.
5. Power Management: Used in power supply units to monitor voltage levels and trigger necessary actions.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to TLC7705IPWRG4 include:

1. MAX823: Voltage supervisor with adjustable threshold and push-pull output.
2. ADM6315: Precision voltage monitor with adjustable threshold and open-drain output.
3. MCP809: Low-power voltage supervisor with fixed threshold and open-drain output.
4. TPS3808: Programmable voltage supervisor with adjustable threshold and push-pull output.

These alternative models provide options with different features and specifications, allowing users to choose the most suitable one for their specific application.

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