TPS2066ADR

Product Overview

Category

The TPS2066ADR 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 features such as overcurrent protection, undervoltage lockout, and thermal shutdown, making it suitable for a wide range of applications.

Characteristics

• Overcurrent protection: The TPS2066ADR offers robust overcurrent protection, safeguarding the connected circuitry from excessive current flow.
• Undervoltage lockout: It includes an undervoltage lockout feature that ensures proper operation even at low input voltages.
• Thermal shutdown: The device incorporates a thermal shutdown mechanism to prevent overheating and potential damage.
• Package: The TPS2066ADR comes in a small outline package (SOP) with eight pins.
• Essence: This IC serves as a reliable and efficient solution for power distribution and protection needs in various electronic systems.
• Packaging/Quantity: The TPS2066ADR is typically available in reels, with each reel containing a specific quantity of ICs.

Specifications

The TPS2066ADR has the following specifications:

• Input voltage range: 2.7V to 5.5V
• Output voltage range: 0V to VIN
• Maximum continuous output current: 1.5A
• Operating temperature range: -40°C to +85°C
• Quiescent current: 50µA (typical)
• Overcurrent threshold: Adjustable

Pin Configuration

The TPS2066ADR features an eight-pin SOP package with the following pin configuration:

1. EN (Enable): Controls the enable/disable function of the device.
2. GND (Ground): Connected to the ground reference of the system.
3. IN (Input): Receives the input voltage to be distributed.
4. OUT (Output): Provides the regulated output voltage.
5. FB (Feedback): Connects to an external resistor to set the overcurrent threshold.
6. OC (Overcurrent): Indicates the occurrence of an overcurrent condition.
7. UVLO (Undervoltage Lockout): Monitors the input voltage level.
8. PG (Power Good): Signals the proper operation of the device.

Functional Features

The TPS2066ADR offers the following functional features:

• Overcurrent protection: The device detects and responds to excessive current flow, protecting the connected circuitry from damage.
• Undervoltage lockout: It ensures that the device operates within the specified voltage range, preventing unreliable operation at low voltages.
• Power good indication: The PG pin provides a signal indicating the proper functioning of the device.
• Adjustable overcurrent threshold: The FB pin allows users to set the desired overcurrent threshold by connecting an external resistor.

Advantages and Disadvantages

Advantages

• Robust overcurrent protection enhances the reliability of the connected circuitry.
• Wide input voltage range enables compatibility with various power sources.
• Small package size facilitates integration into space-constrained designs.
• Adjustable overcurrent threshold provides flexibility for different application requirements.

Disadvantages

• Limited maximum continuous output current may not be suitable for high-power applications.
• Lack of built-in short-circuit protection may require additional circuitry in certain cases.

Working Principles

The TPS2066ADR operates based on a combination of internal circuitry and user-defined settings. When enabled, it monitors the input voltage and output current continuously. If an overcurrent condition is detected, the device responds by limiting the output current or shutting down the power supply temporarily. The adjustable overcurrent threshold allows users to customize the protection level according to their specific needs.

Detailed Application Field Plans

The TPS2066ADR finds applications in various electronic systems, including but not limited to:

1. Portable devices: It can be used in smartphones, tablets, and portable gaming consoles to protect the internal circuitry from excessive current flow.
2. Industrial automation: The IC is suitable for power distribution and protection in industrial control systems, ensuring reliable operation in harsh environments.
3. Automotive electronics: It can be employed in automotive applications such as infotainment systems, lighting controls, and motor drivers to safeguard critical components.
4. IoT devices: The TPS2066ADR can be utilized in Internet of Things (IoT) devices like smart home appliances, wearables, and sensor nodes to provide efficient power management.

Detailed and Complete Alternative Models

1. TPS2065ADR: Similar to the TPS2066ADR, this model offers overcurrent protection and undervoltage lockout features but has a lower maximum continuous output current of 1A.
2. TPS2067ADR: This alternative model provides higher maximum continuous output current of 2A while maintaining similar functionality to the TPS2066ADR.
3. TPS