TLC7701MPWREPG4

Product Overview

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

Specifications

• Supply Voltage Range: 1.2V to 6V
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 10µA (typical)
• Threshold Voltage Options: 2.32V, 2.93V, 3.08V, 3.63V, 4.38V, 4.63V, 4.75V, 5.50V
• Output Type: Active-Low Push-Pull
• Output Current: ±8mA
• Power-On Reset Delay Time: 200ms (typical)

Pin Configuration

The TLC7701MPWREPG4 has the following pin configuration:

1. GND (Ground)
2. VDD (Supply Voltage)
3. RESET (Active-Low Reset Output)
4. MR (Manual Reset Input)
5. TH (Threshold Voltage Selection)
6. NC (No Connection)
7. NC (No Connection)
8. NC (No Connection)

Functional Features

• Monitors supply voltage and generates a reset signal when it falls below a specified threshold.
• Provides a manual reset input for immediate system reset.
• Offers multiple threshold voltage options for flexibility in different applications.
• Low quiescent current consumption ensures minimal power usage.
• Active-low push-pull output allows easy interfacing with other circuitry.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• Precision voltage monitoring ensures reliable system operation.
• Small package size saves board space.
• Wide operating temperature range enables usage in various environments.

Disadvantages

• Limited output current may not be suitable for driving certain loads.
• Only offers active-low push-pull output, limiting compatibility with specific circuit configurations.

Working Principles

The TLC7701MPWREPG4 is a voltage supervisor integrated circuit that continuously monitors the supply voltage. When the voltage falls below the selected threshold, it generates an active-low reset signal. This signal can be used to reset microcontrollers, digital logic circuits, or other system components.

The device operates by comparing the supply voltage with an internal reference voltage. If the supply voltage drops below the threshold, the reset output is asserted low. The manual reset input allows for an immediate system reset, overriding the voltage monitoring function.

Detailed Application Field Plans

The TLC7701MPWREPG4 is commonly used in various applications where reliable voltage monitoring and reset generation are critical. Some of the typical application fields include:

1. Microcontroller Systems: Ensures proper initialization and safe operation of microcontrollers by providing a reset signal when the supply voltage is insufficient.
2. Industrial Control Systems: Monitors power supply integrity in industrial control systems, preventing erratic behavior or damage due to voltage fluctuations.
3. Automotive Electronics: Protects automotive electronic systems from voltage dips or transients, ensuring stable operation and preventing potential malfunctions.
4. Battery-Powered Devices: Maximizes battery life by monitoring voltage levels and initiating a reset when the battery voltage drops below a specified threshold.
5. Embedded Systems: Provides a reliable reset mechanism for embedded systems, guaranteeing proper startup and preventing software glitches caused by unstable power supply conditions.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TLC7701MPWREPG4 include:

1. MAX823: Voltage Supervisor with Adjustable Threshold and Manual Reset Input.
2. LTC2910: Precision Triple Supply Monitor with Programmable Thresholds.
3. ADM6315: Microprocessor Supervisory Circuit with Manual Reset Input.
4. TPS3808: Ultra-Low Power Voltage Supervisor with Programmable Delay Time.

These alternative models can be considered based on specific application requirements, desired features, and availability.

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