TLV6700DDCT

Product Overview

Category: Integrated Circuits (ICs)

Use: The TLV6700DDCT is a voltage supervisor IC that monitors the power supply voltage of electronic systems. It ensures proper system operation by generating a reset signal when the voltage falls below a specified threshold.

Characteristics: - Low quiescent current consumption - Wide operating voltage range - Adjustable reset threshold - Precision voltage reference - Power-on reset delay - Open-drain output - Small package size

Package: TLV6700DDCT is available in a 6-pin SOT-23 package.

Essence: The TLV6700DDCT is an essential component for reliable power supply monitoring and system protection in various electronic applications.

Packaging/Quantity: TLV6700DDCT is typically sold in reels, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage Range: 0.4V to VDD - 0.2V
• Quiescent Current: 3µA (typical)
• Power-On Reset Delay: 200ms (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TLV6700DDCT has the following pin configuration:

____ VDD| |GND RST| |OUT GND| |MR ----

• VDD: Power supply input
• GND: Ground reference
• RST: Reset output
• OUT: Open-drain output
• MR: Manual reset input

Functional Features

1. Voltage Monitoring: The TLV6700DDCT 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, the TLV6700DDCT generates a reset signal to initiate system reset or shutdown.
3. Power-On Reset Delay: The IC incorporates a power-on reset delay circuit that ensures stable operation during power-up by delaying the reset output for a specified time.
4. Manual Reset Input: The MR pin allows for manual reset control, enabling immediate system reset when required.
5. Open-Drain Output: The open-drain output configuration provides flexibility in connecting external components and allows for easy integration into various system designs.

Advantages and Disadvantages

Advantages: - Low power consumption - Wide operating voltage range - Adjustable reset threshold - Small package size for space-constrained applications - Reliable power supply monitoring

Disadvantages: - Lack of built-in hysteresis feature - Limited number of pins for additional functionality

Working Principles

The TLV6700DDCT operates based on a voltage comparator principle. It compares the power supply voltage with the user-defined threshold voltage. When the power supply voltage drops below the threshold, the internal circuitry triggers the reset output, indicating a fault condition. The power-on reset delay ensures that the reset output remains inactive for a specific duration during power-up to avoid false resets.

Detailed Application Field Plans

The TLV6700DDCT finds application in various electronic systems where reliable power supply monitoring is crucial. Some common application fields include:

1. Microcontrollers: Ensures proper system initialization and prevents erratic behavior during power fluctuations.
2. Industrial Control Systems: Provides fault detection and system reset capability in critical industrial automation applications.
3. Automotive Electronics: Monitors the vehicle's power supply to prevent malfunctions and ensure safe operation.
4. Telecommunications Equipment: Protects sensitive telecom components from voltage fluctuations and initiates system recovery.
5. Consumer Electronics: Ensures stable operation of devices such as smart home appliances, gaming consoles, and audio systems.

Detailed and Complete Alternative Models

1. TLV6700IDCT: Similar to TLV6700DDCT but available in a 6-pin SOT-23 package with inverted reset output.
2. TLV6701DDCT: Voltage supervisor IC with adjustable threshold and push-pull output configuration.
3. TLV6702IDCT: Dual-channel voltage supervisor IC with independent threshold settings for each channel.

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

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