TLC7701QDG4

Product Overview

Category

TLC7701QDG4 belongs to the category of voltage supervisors or voltage monitors.

Use

This product is primarily used for monitoring and supervising the voltage levels in electronic systems. It ensures that the voltage remains within a specified range, triggering appropriate actions if the voltage exceeds or falls below the desired threshold.

Characteristics

• Voltage monitoring: TLC7701QDG4 can monitor voltages in the range of 0.8V to 5.5V.
• Adjustable threshold: The voltage threshold can be set using external resistors, allowing flexibility in different applications.
• Low power consumption: This device operates with low quiescent current, making it suitable for battery-powered systems.
• Wide temperature range: TLC7701QDG4 can operate reliably across a wide temperature range, from -40°C to 125°C.

Package

TLC7701QDG4 is available in a small MSOP-8 package, which offers space-saving advantages and ease of integration into various circuit designs.

Essence

The essence of TLC7701QDG4 lies in its ability to provide accurate voltage monitoring and supervision, ensuring the stability and reliability of electronic systems.

Packaging/Quantity

This product is typically packaged in reels, containing 2500 units per reel.

Specifications

• Supply voltage range: 0.8V to 5.5V
• Threshold voltage accuracy: ±2%
• Quiescent current: 10µA (typical)
• Power-on reset delay time: 200ms (typical)
• Operating temperature range: -40°C to 125°C

Detailed Pin Configuration

TLC7701QDG4 features an MSOP-8 package with the following pin configuration:

1. GND: Ground connection
2. VDD: Positive supply voltage input
3. RESET: Active-low reset output
4. THRESHOLD: Threshold voltage adjustment pin
5. MR: Manual reset input
6. GND: Ground connection
7. VDD: Positive supply voltage input
8. RESET: Active-low reset output

Functional Features

• Voltage monitoring: TLC7701QDG4 continuously monitors the voltage level and compares it with the threshold voltage.
• Reset output: When the monitored voltage falls below the threshold, the reset output is activated, indicating a low-voltage condition.
• Adjustable threshold: The threshold voltage can be adjusted using external resistors, allowing customization for different applications.
• Manual reset: The device includes a manual reset input (MR) that allows an external signal to force a reset.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures system stability.
• Adjustable threshold provides flexibility for various voltage requirements.
• Low power consumption extends battery life in portable devices.
• Wide temperature range enables reliable operation in harsh environments.

Disadvantages

• Limited to voltage monitoring and supervision functionality.
• Requires external components for threshold adjustment.

Working Principles

TLC7701QDG4 operates by comparing the monitored voltage with the threshold voltage set by external resistors. If the monitored voltage falls below the threshold, the reset output is activated, indicating a low-voltage condition. This feature helps prevent system malfunctions or data corruption caused by insufficient voltage levels.

Detailed Application Field Plans

TLC7701QDG4 finds applications in various electronic systems where voltage monitoring and supervision are critical. Some potential application fields include:

1. Power management systems: Ensuring stable voltage levels in power supplies, preventing damage to sensitive components.
2. Battery-powered devices: Monitoring battery voltage to prevent over-discharge and protect battery life.
3. Industrial automation: Supervising voltage levels in control systems to maintain reliable operation.
4. Automotive electronics: Monitoring voltage in automotive systems to prevent malfunctions and ensure safety.

Detailed and Complete Alternative Models

1. TL7702AIP: Similar voltage supervisor with adjustable threshold and wider supply voltage range.
2. MAX823LEUK+: Voltage monitor with a push-pull output and adjustable threshold voltage.
3. ADM6315-26D2ARTZ-R7: Microprocessor supervisory circuit with adjustable reset timeout delay.

These alternative models offer similar functionality to TLC7701QDG4 and can be considered based on specific application requirements.

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