TL7759CPWE4

Product Overview

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

Specifications

• Supply Voltage Range: 1.1V to 6.5V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)
• Threshold Voltage Options: 2.32V, 2.93V, 3.08V, 3.63V, 4.38V, 4.63V, 4.88V, 5.50V
• Output Type: Active-Low, Open Drain
• Power-On Reset Delay: 200ms (typical)

Detailed Pin Configuration

The TL7759CPWE4 has a TSSOP-8 package with the following pin configuration:

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

Functional Features

• Voltage Monitoring: The TL7759CPWE4 monitors the supply voltage and generates a reset signal when it falls below a specified threshold.
• Manual Reset: The MR pin allows for manual reset of the device by pulling it low.
• Precision: The device provides accurate voltage monitoring with selectable threshold options.
• Low-Power: With a quiescent current of only 10µA, the TL7759CPWE4 is designed for low-power applications.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring - Low-power consumption - Manual reset capability - Wide supply voltage range

Disadvantages: - Limited threshold voltage options - Only available in TSSOP-8 package

Working Principles

The TL7759CPWE4 operates by comparing the supply voltage with the selected threshold voltage. When the supply voltage drops below the threshold, the reset output is activated, indicating a power failure or an out-of-range condition. The device continuously monitors the supply voltage and keeps the reset output active until the voltage rises above the threshold.

Detailed Application Field Plans

The TL7759CPWE4 is commonly used in various applications where reliable voltage monitoring is required. Some of the typical application fields include:

1. Power Supply Units: The IC ensures proper functioning of power supplies by generating a reset signal when the voltage falls below a safe level.
2. Microcontrollers: It provides a reset signal to microcontrollers during power-up or voltage fluctuations, ensuring a controlled start-up sequence.
3. Industrial Control Systems: The TL7759CPWE4 helps maintain system integrity by monitoring the power supply and initiating appropriate actions in case of voltage deviations.
4. Automotive Electronics: It plays a crucial role in automotive systems, protecting sensitive electronic components from voltage variations and ensuring safe operation.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TL7759CPWE4 are:

1. MAX809: Voltage Supervisors with Adjustable Thresholds
2. ADM6315: Precision Voltage Monitors with Manual Reset
3. LTC2937: Ultra-Low Power Voltage Supervisors with Programmable Delay
4. TPS3808: Nano-Power Voltage Supervisors with Fixed Thresholds

These alternatives provide different features and specifications, allowing designers to choose the most suitable option for their specific requirements.

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