TL7733BIDR

Product Overview

Category: Integrated Circuit (IC)

Use: TL7733BIDR is a voltage supervisor and reset IC. It monitors the power supply voltage of a system and generates a reset signal when the voltage falls below a certain threshold.

Characteristics: - Low-power consumption - Wide operating voltage range - Adjustable reset threshold - Precision voltage reference - Power-on reset delay - Open-drain output

Package: TL7733BIDR is available in a small outline integrated circuit (SOIC) package.

Essence: The essence of TL7733BIDR is to ensure proper system operation by monitoring the power supply voltage and generating a reset signal when necessary.

Packaging/Quantity: TL7733BIDR is typically sold in reels, with 2500 units per reel.

Specifications

• Operating Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage: Adjustable from 0.4V to 4.6V
• Power-On Reset Delay: 200ms (typical)
• Output Type: Open-drain
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

TL7733BIDR has the following pin configuration:

1. GND: Ground
2. VDD: Positive power supply
3. MR: Manual reset input
4. RESET: Reset output
5. TH: Threshold adjust input

Functional Features

1. Voltage Monitoring: TL7733BIDR continuously monitors the power supply voltage.
2. Reset Generation: When the voltage falls below the set threshold, TL7733BIDR generates a reset signal.
3. Adjustable Threshold: The reset threshold voltage can be adjusted using the TH pin.
4. Power-On Reset Delay: TL7733BIDR provides a power-on reset delay of 200ms to ensure stable system startup.
5. Precision Voltage Reference: The IC incorporates a precision voltage reference for accurate voltage monitoring.

Advantages and Disadvantages

Advantages: - Low-power consumption makes it suitable for battery-powered applications. - Wide operating voltage range allows compatibility with various systems. - Adjustable reset threshold offers flexibility in different voltage monitoring scenarios. - Power-on reset delay ensures proper system initialization. - Open-drain output simplifies interfacing with other devices.

Disadvantages: - Lack of built-in hysteresis may result in multiple reset signals during voltage fluctuations. - Limited temperature range (-40°C to +85°C) may restrict usage in extreme environments.

Working Principles

TL7733BIDR operates by comparing the power supply voltage with the set threshold voltage. When the voltage drops below the threshold, the internal circuitry triggers the reset output, which can be used to reset the microcontroller or other system components. The adjustable threshold feature allows customization according to specific voltage requirements.

Detailed Application Field Plans

TL7733BIDR finds applications in various fields, including: 1. Embedded Systems: It ensures reliable operation of microcontrollers and other embedded systems by providing voltage monitoring and reset functionality. 2. Power Supply Units: TL7733BIDR can be used in power supply units to monitor the output voltage and initiate a reset if necessary. 3. Automotive Electronics: It plays a vital role in automotive electronics, where stable power supply voltage is crucial for proper functioning of various systems. 4. Industrial Control Systems: TL7733BIDR is employed in industrial control systems to monitor power supply integrity and trigger resets when required.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to TL7733BIDR are: - TL7705AIDR - MAX823LEUK-T - ADM708TARZ

These models can be considered as alternatives based on specific requirements and compatibility with the system.

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