TPS3780BQDBVRQ1

Product Overview

Category

The TPS3780BQDBVRQ1 belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for overvoltage and undervoltage protection in various electronic systems.

Characteristics

• Overvoltage and undervoltage protection
• Low quiescent current consumption
• Wide operating voltage range
• High accuracy and precision
• Compact package size

Package

The TPS3780BQDBVRQ1 is available in a small SOT-23-6 package, which ensures ease of integration into different circuit designs.

Essence

The essence of the TPS3780BQDBVRQ1 lies in its ability to provide reliable protection against voltage fluctuations, ensuring the safety and longevity of electronic devices.

Packaging/Quantity

The TPS3780BQDBVRQ1 is typically packaged in reels, with each reel containing 3000 units of the IC.

Specifications

• Operating Voltage Range: 2.5V to 18V
• Quiescent Current: 4µA (typical)
• Overvoltage Threshold Accuracy: ±1%
• Undervoltage Threshold Accuracy: ±1%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TPS3780BQDBVRQ1 has six pins arranged as follows:

```

---

| | --| VDD GND |-- Pin 1: Ground (GND) --| VIN EN |-- Pin 2: Enable (EN) --| VOUT PG |-- Pin 3: Power Good (PG) --| NC NC |-- Pin 4: Not Connected (NC) --| NC NC |-- Pin 5: Not Connected (NC) --| NC NC |-- Pin 6: Not Connected (NC) |___________| ```

Functional Features

• Overvoltage Protection: The TPS3780BQDBVRQ1 monitors the input voltage and triggers a shutdown when it exceeds the preset overvoltage threshold.
• Undervoltage Protection: Similarly, this IC detects when the input voltage falls below the undervoltage threshold and initiates a shutdown to prevent damage to the system.
• Power Good Indicator: The Power Good (PG) pin provides an indication of the system's power status, signaling when the input voltage is within the acceptable range.

Advantages and Disadvantages

Advantages

• Robust protection against voltage fluctuations
• Low quiescent current consumption, minimizing power wastage
• Wide operating voltage range allows for versatile applications
• High accuracy in detecting overvoltage and undervoltage conditions

Disadvantages

• Limited number of pins for additional functionalities
• May require external components for specific applications

Working Principles

The TPS3780BQDBVRQ1 utilizes a precision voltage reference and comparators to continuously monitor the input voltage. When the voltage exceeds the overvoltage threshold or falls below the undervoltage threshold, the IC triggers a shutdown by pulling the Enable (EN) pin low. This protects the downstream circuitry from potential damage caused by voltage irregularities.

Detailed Application Field Plans

The TPS3780BQDBVRQ1 finds applications in various electronic systems where voltage protection is critical. Some potential application fields include:

1. Automotive Electronics: Protecting sensitive automotive components from voltage spikes and dips.
2. Industrial Control Systems: Safeguarding industrial control equipment from voltage anomalies.
3. Consumer Electronics: Preventing damage to electronic devices due to power supply issues.
4. Telecommunications: Ensuring stable voltage supply to telecommunications infrastructure.
5. Renewable Energy Systems: Protecting renewable energy systems from voltage fluctuations.

Detailed and Complete Alternative Models

1. TPS3700DDCR - Similar functionality with a different package (SOT-23-5).
2. TPS3890QDBVRQ1 - Enhanced overvoltage and undervoltage protection features.
3. TPS3760BQDBVRQ1 - Lower quiescent current consumption, suitable for power-sensitive applications.

(Note: This list is not exhaustive and other alternative models may exist in the market.)

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