TL7733BIDRG4

Product Overview

Category: Integrated Circuit (IC)

Use: TL7733BIDRG4 is a voltage supervisor and reset IC. It is designed to monitor the power supply voltage of electronic systems and provide 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 - Small package size

Package: TL7733BIDRG4 is available in a small 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of TL7733BIDRG4 is its ability to ensure proper system operation by monitoring the power supply voltage and generating a reset signal when necessary.

Packaging/Quantity: TL7733BIDRG4 is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage Range: 1.2V to 4.6V (adjustable)
• Power-On Reset Delay: 200ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Open-drain
• Output Current: 10mA (maximum)
• Quiescent Current: 20µA (typical)

Pin Configuration

The TL7733BIDRG4 IC has the following pin configuration:

```

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| | --| VDD GND |-- --| MR RST |-- --| VIT OUT |-- |___________| ```

Pin descriptions: - VDD: Power supply voltage input - GND: Ground reference - MR: Manual reset input (active-low) - RST: Reset output - VIT: Voltage input for threshold adjustment - OUT: Open-drain reset output

Functional Features

1. Voltage Monitoring: TL7733BIDRG4 continuously monitors the power supply voltage and compares it with the user-adjustable threshold voltage.
2. Reset Generation: When the power supply voltage falls below the threshold, TL7733BIDRG4 generates a reset signal on the RST pin.
3. Power-On Reset Delay: The IC includes a power-on reset delay circuit to ensure stable operation during power-up.
4. Precision Voltage Reference: TL7733BIDRG4 incorporates a precision voltage reference for accurate voltage monitoring.
5. Open-Drain Output: The reset output is an open-drain configuration, allowing flexibility in interfacing with other devices.

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 provides flexibility for different voltage requirements. - Small package size saves board space. - Precision voltage reference ensures accurate monitoring.

Disadvantages: - Lack of built-in hysteresis may lead to potential noise-related issues. - Limited output current capability may restrict direct drive of certain loads.

Working Principles

TL7733BIDRG4 operates by comparing the power supply voltage with the user-adjustable threshold voltage. When the power supply voltage drops below the threshold, the IC generates a reset signal. This signal remains active until the power supply voltage rises above the threshold again. The open-drain output allows easy integration with other devices.

Detailed Application Field Plans

TL7733BIDRG4 finds applications in various electronic systems where reliable power supply monitoring and reset functionality are crucial. Some potential application fields include: - Microcontrollers and microprocessors - Embedded systems - Industrial control systems - Automotive electronics - Power management circuits

Detailed and Complete Alternative Models

1. TL7705AID: Similar voltage supervisor IC with fixed reset threshold.
2. MAX823: Voltage monitor and reset IC with adjustable threshold and integrated watchdog timer.
3. ADM6315: Precision voltage monitor and reset IC with adjustable threshold and power-on reset delay.

These alternative models offer similar functionality to TL7733BIDRG4 and can be considered based on specific application requirements.

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