TL7759CPWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Precision, Low Power Consumption
• Package: 20-TSSOP (Thin Shrink Small Outline Package)
• Essence: Monitors and controls the voltage levels in electronic systems to ensure proper operation and prevent damage.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 6.5V
• Threshold Voltage Options: 2.32V, 2.59V, 2.93V, 3.08V, 3.47V, 4.38V, 4.63V, 4.88V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 10µA (typical)

Pin Configuration

The TL7759CPWRE4 has a 20-pin TSSOP package with the following pin configuration:

1. GND (Ground)
2. MR (Master Reset)
3. VCC (Supply Voltage)
4. RESET (Reset Output)
5. GND
6. GND
7. GND
8. GND
9. GND
10. GND
11. GND
12. GND
13. GND
14. GND
15. GND
16. GND
17. GND
18. GND
19. GND
20. GND

Functional Features

• Monitors supply voltage and generates a reset signal when it falls below a specified threshold.
• Adjustable reset timeout period allows customization based on system requirements.
• Precision voltage monitoring ensures accurate detection of voltage deviations.
• Low quiescent current minimizes power consumption.

Advantages and Disadvantages

Advantages

• High precision voltage monitoring for reliable system operation.
• Adjustable reset timeout period for flexibility in different applications.
• Low power consumption helps conserve energy.
• Wide supply voltage range allows compatibility with various systems.

Disadvantages

• Limited number of threshold voltage options may not suit all voltage monitoring requirements.
• Lack of additional features such as hysteresis or watchdog timer.

Working Principles

The TL7759CPWRE4 operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the specified threshold, the IC generates a reset signal to initiate a system reset. The reset timeout period can be adjusted to control the duration of the reset signal. This voltage supervisor IC ensures that electronic systems operate within safe voltage limits, preventing potential damage or data corruption.

Detailed Application Field Plans

The TL7759CPWRE4 is commonly used in various applications where voltage monitoring and system reset functionality are critical. Some typical application fields include:

1. Microcontrollers: Ensures proper operation and prevents data corruption in microcontroller-based systems.
2. Industrial Control Systems: Monitors voltage levels in industrial control systems to prevent equipment malfunction or damage.
3. Automotive Electronics: Provides voltage supervision in automotive electronics to ensure reliable operation and prevent system failures.
4. Power Management: Used in power management circuits to monitor voltage levels and protect sensitive components from overvoltage or undervoltage conditions.

Detailed and Complete Alternative Models

1. TL7705ACP (Supply Voltage Range: 2.7V to 18V, Reset Timeout Period: Fixed)
2. MAX809 (Supply Voltage Range: 1.6V to 5.5V, Threshold Voltage Options: Various)
3. ADM6315 (Supply Voltage Range: 1.6V to 5.5V, Reset Timeout Period: Adjustable)
4. MCP101 (Supply Voltage Range: 2.7V to 18V, Threshold Voltage Options: Various)

These alternative models offer similar voltage monitoring and system reset functionality, catering to different voltage ranges and application requirements.

In conclusion, the TL7759CPWRE4 is a precision voltage supervisor IC used in various electronic systems. Its adjustable reset timeout period, low power consumption, and wide supply voltage range make it suitable for diverse applications. While it has some limitations in terms of threshold voltage options and additional features, there are alternative models available to meet specific needs.