TPS2069DDBVT

Product Overview

Category

The TPS2069DDBVT belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power distribution and protection in electronic devices. It provides a reliable and efficient solution for managing power supply to various components within a system.

Characteristics

• The TPS2069DDBVT is designed to handle high currents, making it suitable for applications with demanding power requirements.
• It offers overcurrent protection, preventing damage to sensitive components by limiting the current flow.
• This IC also features thermal shutdown protection, ensuring safe operation even under extreme temperature conditions.
• With its low on-resistance, the TPS2069DDBVT minimizes power losses and improves overall system efficiency.

Package and Quantity

The TPS2069DDBVT is available in a small SOT-23 package, which is widely used for surface-mount applications. It is supplied in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Maximum Continuous Current: 1.5A
• Overcurrent Threshold: Adjustable
• Operating Temperature Range: -40°C to 85°C
• On-Resistance: 70mΩ (typical)

Pin Configuration

The TPS2069DDBVT has a total of six pins, each serving a specific function:

1. EN (Enable): This pin controls the power output of the IC. When pulled high, the output is enabled, allowing current flow. Conversely, pulling this pin low disables the output.

2. IN (Input): This pin is connected to the power source and receives the input voltage.

3. OUT (Output): This pin delivers the regulated output voltage to the load.

4. GND (Ground): This pin is connected to the ground reference of the system.

5. OC (Overcurrent): This pin provides an indication when an overcurrent condition is detected.

6. SS (Soft-Start): This pin allows for a controlled startup of the IC, reducing inrush current and preventing voltage spikes.

Functional Features

The TPS2069DDBVT offers several functional features that enhance its performance and usability:

1. Overcurrent Protection: The IC monitors the current flowing through it and activates protection mechanisms if the current exceeds a predefined threshold. This prevents damage to the load and the IC itself.

2. Thermal Shutdown Protection: In case of excessive temperature rise, the IC automatically shuts down to prevent overheating. This feature ensures safe operation and protects the device from thermal damage.

3. Adjustable Overcurrent Threshold: The overcurrent threshold can be adjusted externally, allowing flexibility in setting the desired current limit based on the specific application requirements.

4. Low On-Resistance: The TPS2069DDBVT exhibits low on-resistance, minimizing power losses and maximizing efficiency in power distribution.

Advantages and Disadvantages

Advantages

• High current handling capability
• Overcurrent and thermal shutdown protection
• Adjustable overcurrent threshold
• Small package size for space-constrained applications
• Low on-resistance for improved efficiency

Disadvantages

• Limited maximum continuous current compared to some other power management ICs
• Relatively narrow operating temperature range

Working Principles

The TPS2069DDBVT operates by regulating the flow of current from the input to the output based on the control signal received at the EN pin. When enabled, the IC allows current to pass through from the input to the output. It continuously monitors the current level and compares it to the adjustable overcurrent threshold. If the current exceeds this threshold, the IC triggers the overcurrent protection mechanism, limiting the current flow to protect the load and the IC itself.

Additionally, the TPS2069DDBVT incorporates thermal shutdown protection. If the temperature rises beyond a safe limit, the IC shuts down to prevent further temperature increase, ensuring the device's integrity.

Application Field Plans

The TPS2069DDBVT finds applications in various fields where power distribution and protection are crucial. Some potential application areas include:

1. Consumer Electronics: This IC can be used in smartphones, tablets, and other portable devices to manage power supply to different components, protecting them from overcurrent and thermal damage.

2. Industrial Automation: The TPS2069DDBVT can be employed in industrial control systems to regulate power distribution and provide protection against overcurrent conditions, ensuring reliable operation of critical equipment.

3. Automotive Electronics: In automotive applications, this IC can be utilized for power management in electronic control units (ECUs), infotainment systems, and lighting modules, safeguarding these systems from potential power-related issues.

4. IoT Devices: With the increasing popularity of IoT devices, the TPS2069