TPS3702CX33DDCT

Product Overview

Category

The TPS3702CX33DDCT belongs to the category of voltage supervisors.

Use

This product is primarily used for monitoring and supervising voltage levels in electronic systems.

Characteristics

• Voltage supervision range: 3.3V
• Low quiescent current consumption: 1.5µA (typical)
• Wide operating temperature range: -40°C to +125°C
• Adjustable threshold voltage
• Built-in hysteresis for noise immunity

Package

The TPS3702CX33DDCT comes in a small SOT-23-6 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3702CX33DDCT is its ability to provide accurate voltage monitoring and protection for electronic systems.

Packaging/Quantity

This product is typically packaged in reels, with 3000 units per reel.

Specifications

• Supply voltage range: 1.8V to 18V
• Threshold voltage accuracy: ±1.5%
• Quiescent current: 1.5µA (typical)
• Power-on reset delay time: 200ms (typical)
• Open-drain output

Detailed Pin Configuration

The TPS3702CX33DDCT has the following pin configuration:

1. GND (Ground)
2. VDD (Supply Voltage)
3. RESET (Open-Drain Output)
4. TH (Threshold Voltage)
5. NC (No Connection)
6. NC (No Connection)

Functional Features

• Accurate voltage monitoring: The TPS3702CX33DDCT ensures precise monitoring of the supply voltage, preventing system malfunctions due to voltage fluctuations.
• Adjustable threshold voltage: The threshold voltage can be adjusted to suit specific application requirements.
• Hysteresis for noise immunity: The built-in hysteresis feature provides noise immunity, ensuring reliable voltage monitoring even in noisy environments.
• Power-on reset delay: The TPS3702CX33DDCT includes a power-on reset delay to allow sufficient time for the system to stabilize before it starts operating.

Advantages and Disadvantages

Advantages

• Low quiescent current consumption ensures minimal power usage.
• Wide operating temperature range allows for use in various environmental conditions.
• Adjustable threshold voltage provides flexibility for different applications.
• Small package size enables space-saving designs.

Disadvantages

• Limited voltage supervision range (3.3V) may not be suitable for all applications requiring higher voltages.
• Open-drain output requires an external pull-up resistor for proper operation.

Working Principles

The TPS3702CX33DDCT operates by comparing the monitored voltage with the adjustable threshold voltage. When the monitored voltage falls below the threshold, the RESET pin is pulled low, indicating a voltage fault. Once the voltage rises above the threshold, the RESET pin returns to its high state. The hysteresis feature prevents false triggering due to voltage fluctuations or noise.

Detailed Application Field Plans

The TPS3702CX33DDCT finds applications in various fields, including: 1. Battery-powered devices: Ensures proper voltage monitoring in portable electronic devices, preventing damage to sensitive components. 2. Industrial automation: Monitors supply voltage in control systems, providing protection against voltage drops or spikes. 3. Automotive electronics: Protects critical components from voltage variations, enhancing the reliability of automotive systems. 4. Telecommunications equipment: Ensures stable voltage levels in communication devices, preventing disruptions in signal transmission.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TPS3702CX33DDCT include: - TPS3702CX25DDCT: Voltage supervisor with a 2.5V threshold voltage. - TPS3702CX33DDCR: Similar to TPS3702CX33DDCT but comes in a different package (SOT-23-5). - TPS3702CX50DDCT: Voltage supervisor with a 5.0V threshold voltage.

These alternative models can be considered based on specific application requirements and voltage thresholds needed.

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