TL7733BCDR

Product Overview

Category: Integrated Circuit (IC)

Use: TL7733BCDR 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: SOIC (Small Outline Integrated Circuit)

Essence: TL7733BCDR is an essential component in electronic systems that require reliable power supply monitoring and reset functionality.

Packaging/Quantity: TL7733BCDR is typically sold in reels or tubes, with a quantity of 2500 units per reel or 98 units per tube.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage Range: 1.2V to VDD - 0.2V
• Power-On Reset Delay: 200ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Open-drain
• Output Current: 10mA (maximum)

Detailed Pin Configuration

The TL7733BCDR IC has the following pin configuration:

1. GND: Ground connection
2. VDD: Positive power supply input
3. MR: Manual reset input
4. RESET: Reset output

Functional Features

• Voltage Monitoring: TL7733BCDR continuously monitors the power supply voltage and compares it with the user-adjustable reset threshold.
• Reset Signal Generation: When the power supply voltage falls below the set threshold, TL7733BCDR generates a reset signal on the RESET pin.
• Power-On Reset Delay: The IC includes a power-on reset delay circuit to ensure stable operation during power-up.
• Manual Reset Input: The MR pin allows for manual reset control, overriding the voltage monitoring function.

Advantages and Disadvantages

Advantages: - Low-power consumption makes it suitable for battery-powered applications. - Wide operating voltage range enables compatibility with various systems. - Adjustable reset threshold provides flexibility in different voltage monitoring scenarios. - Precision voltage reference ensures accurate monitoring. - Small package size saves board space.

Disadvantages: - Lack of built-in hysteresis may lead to potential oscillations near the reset threshold. - Open-drain output requires an external pull-up resistor for proper signal level translation.

Working Principles

TL7733BCDR operates by comparing the power supply voltage with the user-defined reset threshold. When the voltage drops below the threshold, the IC generates a reset signal on the RESET pin. The power-on reset delay circuit ensures that the reset signal is not triggered immediately upon power-up, allowing the system to stabilize before normal operation.

Detailed Application Field Plans

TL7733BCDR finds applications in various electronic systems that require reliable power supply monitoring and reset functionality. Some common application fields include:

1. Microcontrollers and Microprocessors
2. Embedded Systems
3. Industrial Control Systems
4. Automotive Electronics
5. Consumer Electronics
6. Medical Devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to TL7733BCDR are:

1. MAX823: Voltage Supervisor with Manual Reset
2. ADM708: Precision Voltage Monitor with Adjustable Threshold
3. TPS3808: Ultra-Low Power Voltage Supervisor with Programmable Delay
4. LTC2910: Dual Voltage Supervisor with Adjustable Reset Threshold
5. MCP101: Precision Voltage Detector with Open-Drain Output

These alternative models can be considered based on specific requirements and system compatibility.

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