TLC7733IPWRG4

Product Overview

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

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Output Type: Active-Low, Open Drain
• Threshold Voltage Options: 2.32V, 2.62V, 2.93V, 3.08V, 3.63V, 4.38V, 4.63V, 4.88V
• Programmable Time Delay Range: 1ms to 10s
• Quiescent Current: 20µA (typical)

Detailed Pin Configuration

The TLC7733IPWRG4 has a TSSOP-8 package with the following pin configuration:

1. GND: Ground
2. VDD: Supply Voltage
3. RESET: Active-Low Reset Output
4. TH: Threshold Voltage Selection Input
5. TD: Time Delay Programming Input
6. CT: Capacitor Connection Terminal
7. NC: No Connect
8. OUT: Open Drain Output

Functional Features

• Precision Monitoring: The TLC7733IPWRG4 provides accurate voltage monitoring with selectable threshold voltages.
• Programmable Time Delay: It allows users to set a delay time between power-up and reset assertion, preventing false resets during system initialization.
• Low Power Consumption: With a quiescent current of only 20µA, it minimizes power consumption in battery-powered applications.
• Open Drain Output: The active-low, open drain output can be easily interfaced with other digital circuits.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - Programmable time delay provides flexibility in system initialization. - Low quiescent current reduces power consumption. - Open drain output simplifies interfacing with other devices.

Disadvantages: - Limited threshold voltage options may not suit all applications. - TSSOP package may require careful handling during assembly.

Working Principles

The TLC7733IPWRG4 operates by comparing the monitored voltage at the TH pin with the selected threshold voltage. When the monitored voltage falls below the threshold, the RESET pin is asserted low, indicating a reset condition. The programmable time delay ensures that the reset output remains low for a specified duration after power-up.

Detailed Application Field Plans

The TLC7733IPWRG4 finds applications in various fields, including:

1. Power Supply Monitoring: It can be used to monitor the voltage level of power supplies and generate a reset signal if the voltage drops below a certain threshold.
2. Microcontroller Systems: It ensures proper initialization of microcontroller-based systems by delaying the assertion of reset signals until stable power is supplied.
3. Battery-Powered Devices: By monitoring battery voltage, it prevents damage to sensitive electronics due to undervoltage conditions.
4. Industrial Control Systems: It provides reliable reset functionality in industrial control systems, ensuring safe operation and preventing data corruption.

Detailed and Complete Alternative Models

Some alternative models to the TLC7733IPWRG4 include:

1. TLV803PDBVR: Similar voltage supervisor IC with fixed threshold voltages and a smaller SOT-23 package.
2. MAX823LEUK+: Voltage supervisor IC with adjustable threshold voltages and a SOT-23 package.
3. ADM6315-26D2ARTZ-R7: Precision voltage monitor with adjustable threshold voltages and a SOT-23 package.

(Note: The above list is not exhaustive and serves as an example of alternative models.)

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