TPS2043ADR - English Editing Encyclopedia Entry

Product Overview

Category

The TPS2043ADR belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is primarily used for overcurrent protection in electronic devices and systems. It ensures the safe operation of these devices by monitoring and controlling the flow of current.

Characteristics

• Overcurrent protection: The TPS2043ADR provides reliable protection against excessive current flow, preventing damage to the device or system.
• Low voltage drop: This IC has a low voltage drop across its internal circuitry, minimizing power loss during operation.
• Fast response time: The TPS2043ADR quickly detects overcurrent conditions and responds within microseconds to protect the connected components.
• Wide operating temperature range: It can operate reliably in a wide temperature range, making it suitable for various environments.

Package and Quantity

The TPS2043ADR is available in a small outline package (SOIC) with eight pins. Each package contains one IC.

Specifications

• Input voltage range: 2.7V to 5.5V
• Maximum continuous current: 1.5A
• Overcurrent threshold: Adjustable through external resistor
• Operating temperature range: -40°C to 85°C
• Quiescent current: 10µA (typical)

Pin Configuration

The TPS2043ADR features the following pin configuration:

```

---

| | --| EN OUT |-- VCC --| GND IN |-- FB --| OC PG |-- NC |___________| ```

• EN: Enable pin
• OUT: Output pin
• VCC: Power supply input
• GND: Ground connection
• IN: Current sense input
• FB: Feedback pin
• OC: Overcurrent threshold adjust pin
• PG: Power good indicator pin
• NC: No connection

Functional Features

• Overcurrent protection: The TPS2043ADR monitors the current flowing through the IN pin and compares it to the set threshold. If the current exceeds the threshold, the IC quickly shuts off the output to prevent damage.
• Power good indication: The PG pin provides a signal indicating that the output voltage is within the acceptable range.
• Adjustable overcurrent threshold: The OC pin allows external adjustment of the overcurrent threshold, providing flexibility for different applications.

Advantages

• Reliable overcurrent protection: The TPS2043ADR ensures the safety of connected devices by promptly detecting and responding to overcurrent conditions.
• Low power loss: With its low voltage drop, this IC minimizes power loss during operation, enhancing overall system efficiency.
• Wide operating temperature range: The TPS2043ADR can withstand extreme temperatures, making it suitable for various industrial and automotive applications.

Disadvantages

• Limited maximum continuous current: The TPS2043ADR has a maximum continuous current rating of 1.5A, which may not be sufficient for high-power applications.
• Single-channel protection: This IC provides protection for a single channel only, limiting its use in systems with multiple power rails.

Working Principles

The TPS2043ADR utilizes a current-sensing mechanism to detect overcurrent conditions. It continuously monitors the current flowing through the IN pin and compares it to the set threshold. If the current exceeds the threshold, the IC triggers a shutdown mechanism, disconnecting the output and protecting the device or system from potential damage.

Application Field Plans

The TPS2043ADR finds application in various electronic devices and systems that require reliable overcurrent protection. Some specific application fields include: - Battery-powered devices - Portable electronics - Industrial automation systems - Automotive electronics - Power distribution units

Alternative Models

• TPS2041ADR: Similar to the TPS2043ADR, but with a lower maximum continuous current rating of 1A.
• TPS2044ADR: Similar to the TPS2043ADR, but with a higher maximum continuous current rating of 2.5A.

These alternative models provide options for different current requirements in various applications.

In conclusion, the TPS2043ADR is an integrated circuit designed for overcurrent protection in electronic devices and systems. With its reliable performance, low power loss, and adjustable threshold, it offers effective protection against excessive current flow. However, its limited maximum continuous current and single-channel protection may restrict its use in certain high-power applications or systems with multiple power rails.